CN207078888U - Elevator door-closing control device - Google Patents
Elevator door-closing control device Download PDFInfo
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- CN207078888U CN207078888U CN201720748280.3U CN201720748280U CN207078888U CN 207078888 U CN207078888 U CN 207078888U CN 201720748280 U CN201720748280 U CN 201720748280U CN 207078888 U CN207078888 U CN 207078888U
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- control device
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Abstract
The utility model discloses a kind of elevator door-closing control device, including camera, image processor, electric life controller and buzzer；Camera is in the car top of car and close to gate, for shooting the image in the enabling area of gate；Image processor is connected on car and with camera, for receiving the image of camera shooting and the image being sampled to obtain the sampling picture in enabling area, and the reference picture for sampling picture and prestoring is contrasted and exports comparing result；Electric life controller is located at outside car and is connected with image processor, and the comparing result control gate for being exported according to image processor is closed or opened；Buzzer is connected on car and with electric life controller, for carrying out the alarm that pipes in gate open mode.Due to doubling as light curtain using existing camera in lift car, therefore the wasting of resources is reduced, it is cost-effective, and personal security is can ensure that, improve security.
Description
Technical field
Elevator technology field is the utility model is related to, more particularly to a kind of elevator for being made light curtain using camera in car is closed
Controlling device for doors.
Background technology
To elevator using more and more frequently today, elevator safety turn into social question of common concern, such as
The oppressive news of elevator shutdown folder people, elevator interior is just often reported in media, thus it is guaranteed that the safe and reliable of elevator switch door is also
One the problem of meriting attention.
At present, camera can be all installed, camera can record to disengaging personnel, contribute to the later stage in lift car
It when there are relevant issues, can trace, and considerable effect is also played in terms of elevator safety, for example elevator is unexpected
When running into failure and thering are the personnel to be trapped in car, because being provided with camera, it is possible to which the Control Room outside elevator is comprehensive
See the situation in car, the rescue to trapped personnel in car can be according to the situation in car using corresponding rescue countermeasure.
In addition, obstacle detection is generally carried out using infrared ray light curtain at closing time to elevator in existing elevator, i.e., in electricity
The both sides of the car door of ladder are parallel to install two light curtain plates erect, and infrared emitting dress is uniformly provided with one of plate
Put for launching infrared ray, infrared receiving device is correspondingly installed on another block of plate and is used for receiving the red of infrared launcher transmitting
Outside line.When nobody or thing gear are among two pieces of light curtains, infrared ray will not be blocked, and reception device can be received smoothly
Infrared ray, now elevator normally close the door, when reception device does not receive infrared ray, elevator can not normally close the door.
To sum up, all it is to be combined by a variety of devices to improve the security of elevator in existing elevator, due to using a variety of
Device, so as to cause elevator cost high, therefore, it is necessary to provide, a kind of cost is lower, the more preferable elevator of security is closed the door and controlled
Device, with solve it is above-mentioned the problems of in the prior art.
Utility model content
The purpose of this utility model is to provide the elevator door-closing control device that a kind of cost is low, security is good.
To achieve the above object, the technical solution of the utility model is：A kind of elevator door-closing control device is provided, it includes
Camera, image processor, electric life controller and buzzer；Camera is described in the car top of car and close to gate
Camera is used to shoot the image in the enabling area of the gate；Image processor connects on car and with the camera
Connect, for receiving the image of the camera shooting and the image being sampled to obtain the sampling picture in the enabling area,
And the sampling picture and the reference picture to prestore are contrasted and export comparing result；Electric life controller is located at outside car
And be connected with described image processor, the comparing result for being exported according to described image processor controls the gate to be closed
Close or open；Buzzer is connected on car and with the electric life controller, for being carried out in the gate open mode
Pipe alarm.
It is preferred that the region that the enabling area is limited by the doorframe of the gate.
Cut it is preferred that the reference picture is the image shot in the gate door closing procedure and during no obstacle
The picture obtained.
It is preferred that the car also includes the car floor relative to car top setting, located at the car top and the car floor
Between side wall, be additionally provided with control handwheel in the side wall.
It is preferred that the elevator door-closing control device also includes the safety reset dress being connected with the electric life controller
Put, the safety reset device is used to carry out safety reset operation to stopping the elevator after ladder.
It is preferred that when having obstacle in the enabling area, the electric life controller controls the gate to open, described to open
When not having obstacle in door area, the electric life controller controls the gate to be closed.
Compared with prior art, due to elevator door-closing control device of the present utility model, using existing in lift car
Camera doubles as light curtain, so it is three-dimensional judge whether elevator cage door has obstacle at closing time, keep sedan-chair when there is obstacle
Door is opened and alarmed always using buzzer call, therefore can ensure personal security really, is realized the principle of safety first, is entered
One step improves the security of elevator, while camera instead of the effect of traditional light curtain, reduce the waste of resource, cost-effective.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model elevator door-closing control device.
Fig. 2 is the theory diagram of the utility model elevator door-closing control device.
Embodiment
Embodiment of the present utility model described with reference now to accompanying drawing, similar element numbers represent similar member in accompanying drawing
Part.
As shown in figure 1, elevator door-closing control device 100 provided by the utility model, for controlling lift car 200
Gate 210 is closed, and the car 200 also includes car top 220, car floor 230, the side wall between car top 220 and car floor 230
240, control handwheel 250 is additionally provided with so that personnel are operated in side wall 240, and gate 210 has an open mode and one closed
State, gate 210 is available for personnel to pass in and out when being in open mode, and after gate 210 is closed, car 200 just can be normal
Operation.
With reference to shown in Fig. 1 and Fig. 2, elevator door-closing control device 100 includes camera 110, image processor 120, elevator
Controller 130 and buzzer 140.Wherein, camera 110 is in the car top 220 of car 200, and is provided close to gate 210
Opening position, camera 110 are installed in this position, are on the one hand used to shoot the image in the enabling area L of the gate 210, so as to
Camera 110 is used as light curtain, on the other hand can also shoot the situation in whole car 200, make camera 110
Keep existing basic monitoring function.Image processor 120 is connected on car 200 and with camera 110, and image procossing
Device 120 need to use CPU embedded chips, for example with ARM9 series processors, but be not limited, image processor 120 is used
In receiving image that camera 110 shoots and the image sampled to obtain the sampling picture of the enabling area L, and by institute
The reference picture stated sampling picture and prestored is contrasted and exports comparing result.Electric life controller 130 is located at outside car 200
And be connected with image processor 120, the comparing result control gate 210 for being exported according to image processor 120 is closed
Or open, buzzer 140 is connected on car 200 and with electric life controller 130, for entering when gate 210 can not close
The capable alarm that pipes；Specifically, if judging there is obstacle in enabling area L according to comparing result, control gate 210 is opened simultaneously
Control buzzer 140 is piped alarm, if instead judging do not have obstacle in enabling area L, then control gate 210 is closed and controlled
Car 200 processed is run.
As shown in figure 1, the region that the enabling area L is limited by the doorframe of gate 210, as shown in dotted line frame in Fig. 1, when
When gate 210 is in full open position, the edge and doorframe of gate 210 are in same perpendicular, i.e. vertical empty in Fig. 1
Approximate location shown in line.
With continued reference to shown in Fig. 2, described image processor 120 includes memory cell 121, sampling unit 122, comparing unit
123 and output unit 124.Wherein, memory cell 121 is used for the reference picture that prestores, and the sampling unit 122 is used for taking the photograph
As the images of first 110 shootings are sampled to obtain the sampling picture and reference picture, comparing unit 123 is used for institute
State sampling picture, the chromatic value of the reference picture to be compared and draw the comparing result, the output unit 124 is used for
The comparing result is exported to the electric life controller 130.
Specifically, obtained before elevator normal use and store reference picture, so that elevator each run is in different floors
At closing time, reference picture can be obtained to be contrasted, so as to determine whether obstacle.In the utility model, pass through camera
The normal door closing procedure of 110 pairs of gates 210 is recorded, i.e. there is no obstacle in its enabling area L in the door closing procedure of gate 210,
Then the image after recording is intercepted by sampling unit 122 to obtain enabling area L reference picture, and by the reference chart
Piece is stored in memory cell 121.
In the utility model, when image processor 120 contrasts to the chromatic value of sampling picture, reference picture, first will
Reference picture, sampling picture are processed into gray level image, and the method for being processed into gray level image is the conventional method of this area, therefore not
Repeat again.Then, the chromatic value of all pixels point in reference picture is added to obtain reference picture chromatic value, and picture will be sampled
The chromatic value of middle all pixels point is added to obtain sampling picture chromatic value, then judges whether to meet formula：| (reference picture colourity
Value-sampling picture chromatic value)/reference picture chromatic value | × 100% ＞ 10%, and the result is exported to electric life controller
130。
After electric life controller 130 receives the above results, gate 210 is controlled to act respectively according to Different Results；Specifically,
Represent there is obstacle in enabling area L if above-mentioned formula is met, electric life controller 130 controls gate 210 to open, and controls buzzing
Device 140 is alarmed；Otherwise, it means that not having obstacle in enabling area L, then gate 210 is controlled to close and control car 200 normal
Operation.
As shown in Fig. 2 further, the elevator door-closing control device 100 also includes being connected with electric life controller 130
Safety reset device 150, safety reset device 150 is used to carry out safety reset operation to stopping the elevator after ladder.Specifically, exist
Have obstacle in enabling area L and can not be in the case of normal switching-off gate 210, electric life controller 130 will control gate 210 to repeat
Attempt to close the door, when can not still close gate 210 after attempting default number, then electric life controller 130 is determined as enabling area L
Interior card group (elevator doorway does not shift, elevator can not normally close the door for a long time because someone or thing stop), so as to control elevator to keep
Door opening state and stop ladder, until treating maintenance staff or person skilled is removed and checks the unobstructed thing in elevator doorway, and pass through
After safety reset device 150 carries out safety reset to whole ladder, electric life controller 130 just controls elevator to close the door and normally transported again
OK.
Preferably, default shutdown number is 5 times in the utility model, to prevent elevator device is undying from attempting to close
Door, certain number are not limited, can flexibly set as needed.
With reference to shown in Fig. 1 and Fig. 2, principle and process to the utility model elevator door-closing control device 100 are carried out
Explanation.
, it is necessary to first obtain reference picture and store, specifically, by camera 110 to closing the door before elevator normal use
Normal door closing procedure recorded, there is no obstacle in enabling area L of gate 210 during this, then image processor 120
The image of the recording is intercepted, the picture to extract now enabling area L is deposited as reference picture, and by the reference picture
Storage.
Elevator because the effect of light curtain produces in car 200 in use, close the door the moment, therefore camera 110 substitutes light curtain
Effect is also generated in car 200 and closed the door the moment.Specifically, when car 200 at closing time, the clamshell doors area L of camera 110 is recorded
System, while after the image of the acquisition recording of camera 110 of image processor 120, sampling interception constantly is carried out to the image, to obtain
Multiple sampling pictures in door closing procedure；Then the chromatic value of each sampling picture and reference picture is contrasted successively,
And judge whether chromatic value between the two meets formula：| (reference picture chromatic value-sampling picture chromatic value)/reference picture
Chromatic value | × 100% ＞ 10%, then comparing result is exported to electric life controller 130.
After electric life controller 130 receives above-mentioned comparing result, the state of gate 210 is judged respectively according to Different Results,
It is judged as thering is obstacle in enabling area L if comparing result meets above-mentioned formula, now electric life controller 130 controls gate 210
Open, and control buzzer 140 to alarm；Conversely, being then judged as not having obstacle in enabling area L, then gate 210 is controlled to close
And control the normal operation of car 200.
When gate 210 can not close, electric life controller 130 controls sedan-chair again according to the next comparing result received
Door 210 opens or closes, and specifically, if judging do not have obstacle in enabling area L according to next comparing result, illustrates to open the door
Obstacle before in area L is had been moved off in doorframe, then controls elevator normally to close the door and run, if conversely, according to the contrast
As a result judge still there is obstacle in enabling area L, then control gate 210 to be again turned on and control buzzer 140 to continue to alarm.Such as
This repeats said process, if electric life controller 130 controls gate 210 to carry out 5 times still closing gate 210 after closing the door,
Then it is judged as that (i.e. elevator doorway does not shift or be not moved away from for a long time, elevator can not because someone or thing stop card group in enabling area L
It is normal to close the door), now control elevator to keep door opening state and stop ladder, until treating maintenance staff or person skilled removing and inspection
It is unobstructed to look into elevator doorway, and after carrying out safety reset to whole ladder by safety reset device 150, electric life controller 130 is just again
Secondary control elevator normal operation.
To sum up, due to elevator door-closing control device 100 of the present utility model, existing camera 110 in car 200 is utilized
To double as light curtain, so it is three-dimensional judge whether gate 210 has obstacle at closing time, keep gate 210 to beat when there is obstacle
Open and piped alarm using buzzer 140 always, therefore personal security can be ensured really, realize the principle of safety first, enter
One step improves the security of elevator, while camera 110 instead of the effect of traditional light curtain, reduces the waste of resource, saves into
This.
Above disclosed is only preferred embodiment of the present utility model, certainly can not be new to limit this practicality with this
The interest field of type, therefore the equivalent variations made according to present utility model application the scope of the claims, still belong to the utility model and covered
Scope.
Claims (6)
- A kind of 1. elevator door-closing control device, it is characterised in that including：Camera, in the car top of car and close to gate, the camera is used for the enabling area for shooting the gate for it Interior image；Image processor, it is connected on car and with the camera, for receiving the image of the camera shooting simultaneously The image is sampled to obtain the sampling picture in the enabling area, and the sampling picture is entered with the reference picture to prestore Row contrasts and exports comparing result；Electric life controller, it is located at outside car and is connected with described image processor, for defeated according to described image processor The comparing result gone out controls the gate to be closed or opened；Buzzer, it is connected on car and with the electric life controller, for being rung in the gate open mode Cry alarm.
- 2. elevator door-closing control device as claimed in claim 1, it is characterised in that the enabling area is the doorframe of the gate The region limited.
- 3. elevator door-closing control device as claimed in claim 1, it is characterised in that the reference picture is closed the door for the gate During and the image that shoots during no obstacle intercepted obtained picture.
- 4. elevator door-closing control device as claimed in claim 1, it is characterised in that the car also includes relative to the sedan-chair The car floor set, the side wall between the car top and the car floor are pushed up, control handwheel is additionally provided with the side wall.
- 5. elevator door-closing control device as claimed in claim 1, it is characterised in that also include being connected with the electric life controller The safety reset device connect, the safety reset device are used to carry out safety reset operation to stopping the elevator after ladder.
- 6. elevator door-closing control device as claimed in claim 1, it is characterised in that when there is obstacle in the enabling area, The electric life controller controls the gate to open, and when not having obstacle in the enabling area, the electric life controller controls institute Gate is stated to be closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720748280.3U CN207078888U (en) | 2017-06-23 | 2017-06-23 | Elevator door-closing control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720748280.3U CN207078888U (en) | 2017-06-23 | 2017-06-23 | Elevator door-closing control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207078888U true CN207078888U (en) | 2018-03-09 |
Family
ID=61426288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720748280.3U Active CN207078888U (en) | 2017-06-23 | 2017-06-23 | Elevator door-closing control device |
Country Status (1)
| Country | Link |
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| CN (1) | CN207078888U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107200260A (en) * | 2017-06-23 | 2017-09-26 | 快意电梯股份有限公司 | Elevator door-closing control device and method |
| CN110745675A (en) * | 2019-10-17 | 2020-02-04 | 宁波微科光电股份有限公司 | Elevator protection method based on TOF camera |
| CN114180431A (en) * | 2021-12-22 | 2022-03-15 | 佛山市和众电梯技术有限公司 | Car elevator safe operation monitored control system |
-
2017
- 2017-06-23 CN CN201720748280.3U patent/CN207078888U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107200260A (en) * | 2017-06-23 | 2017-09-26 | 快意电梯股份有限公司 | Elevator door-closing control device and method |
| CN110745675A (en) * | 2019-10-17 | 2020-02-04 | 宁波微科光电股份有限公司 | Elevator protection method based on TOF camera |
| CN114180431A (en) * | 2021-12-22 | 2022-03-15 | 佛山市和众电梯技术有限公司 | Car elevator safe operation monitored control system |
| CN114180431B (en) * | 2021-12-22 | 2023-12-15 | 佛山市和众电梯技术有限公司 | Safety operation monitoring system for elevator car |
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