CN101323411B - Safety apparatus and safety control method of passenger conveying apparatus - Google Patents
Safety apparatus and safety control method of passenger conveying apparatus Download PDFInfo
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- CN101323411B CN101323411B CN2008101255337A CN200810125533A CN101323411B CN 101323411 B CN101323411 B CN 101323411B CN 2008101255337 A CN2008101255337 A CN 2008101255337A CN 200810125533 A CN200810125533 A CN 200810125533A CN 101323411 B CN101323411 B CN 101323411B
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Abstract
The invention provides a safety device for a passenger transporting apparatus, and a safety control method thereof. A laser scanning sensor (1a, 1b) is arranged near the exit of the passenger transporting apparatus to detect the movement of the passengers at a plane coordinate through the scanning of the laser scanning sensor. When the moving speed of the passengers is lower than a specified value, a voice prompt for prompting attention is generated by a speech synthesis device (11) and a loudspeaker (12a, 12b); when the jam of the passengers is lasted for a long time, a control inverter installation (8) generates frequency and voltage to reduce the speed of a drive motor (9) or stop the same. Thereby, under the states of direct sunshine by day, sunset shine at dusk, and less light at night, the moving speed of the passengers can be accurately detected to form the safety device.
Description
Technical field
The present invention relates to the safety device and the method for controlling security of the apparatus of passenger conveyor of a kind of escalator and electronic passage etc.
Background technology
As prior art, for example in patent documentation 1 grade, proposed camera to be set on the top of apparatus of passenger conveyor, utilize image recognition technology, the technical scheme of states such as situation when the detection passenger steps into and obstruction.
Patent documentation 1: the spy opens the 2000-115750 communique
Image recognition technology is to be based upon on the basis of the graphicinformation of being obtained by camera, and graphicinformation obtains by catching light and the information of converting thereof into.Therefore, when for example wanting under being subjected to the outdoor environment of sunlight direct irradiation, to obtain graphicinformation, be subjected to by day being subjected under the state of setting sun irradiation and under the very little state of light quantity at night under the state of sunlight direct projection, at dusk, graphicinformation can produce very big difference, thereby may run into very big difficulty when recognition image.
Summary of the invention
The object of the present invention is to provide a kind of safety device and method of controlling security of apparatus of passenger conveyor, it can not be subjected under the situation that environmental concerns is set of apparatus of passenger conveyor, detect that passenger on the apparatus of passenger conveyor comes to a halt, the unusual state such as crowded of obstruction or passenger, and can take safety measures.
To achieve these goals, in preferred implementation of the present invention, the safety device of apparatus of passenger conveyor is to have a plurality of steps that ring-type connects and circulation is moved, with this step with moved further and by the moving hand-rail of railing component parts guiding, the actuating device that comprises the electrical motor that drives described step and described moving hand-rail, by this actuating device to described step, the safety device of the apparatus of passenger conveyor of the speech synthetic device of DC-to-AC converter that the moving velocity of described moving hand-rail changes and control setup and voice suggestion that the passenger is drawn attention to, it is characterized in that, have laser-scan sensor and voice suggestion control setup, this laser-scan sensor is arranged near the discrepancy part of described apparatus of passenger conveyor, this voice suggestion control setup is at the passenger's who is gone out by this laser-scan sensor determination moving velocity during less than specified value, the voice suggestion that described speech synthetic device is called attention to, described laser-scan sensor scans by laser is moved, thereby make the coordinate map of detected object thing at every specified time, obtain amount of movement according to difference two described coordinate maps constantly, thereby measure described passenger's moving velocity.
In addition, the safety device of the apparatus of passenger conveyor in the preferred implementation of the present invention is characterised in that, has deceleration control device, this deceleration control device the passenger's who goes out by the laser-scan sensor determination moving velocity less than the state continuance of specified value during specified time, reduce the output frequency of described DC-to-AC converter, thereby reduce the running velocity of apparatus of passenger conveyor.
In more specifically embodiment of the present invention, have the signal processor unit that carries out information processing to from the laser shelter body position information of described laser-scan sensor, this signal processor unit with the time sequential mode location information from the two dimensional surface shape object of laser-scan sensor is handled.
In addition, in other the specific embodiment of the present invention, according to the moving velocity of apparatus of passenger conveyor discrepancy object partly and the quantity information of object, by signal processor unit with the passenger come to a halt, obstruction and congestion state information outputs in the described control setup, and, the voice suggestion that described control setup calls attention to the passenger on the apparatus of passenger conveyor by described speech synthetic device.
The invention effect
According to preferred implementation of the present invention, can not be subjected to having or not direct sunlight etc. to be provided with detecting under the situation of environmental concerns the apparatus of passenger conveyor dead state information of part of coming in and going out, and can make the passenger perceive error state by voice suggestion.
According to other preferred implementation of the present invention, the come in and go out blocked state of part of apparatus of passenger conveyor can not be subjected to having or not direct sunlight etc. to be provided with detecting under the situation of environmental concerns, and can limit the patronage that moves to the part of coming in and going out by the running velocity that reduces apparatus of passenger conveyor, so can relax congestion state, prevent the generation of accidents such as falling down.
Description of drawings
Fig. 1 is the structural representation of safety device of the apparatus of passenger conveyor of an embodiment of the present invention.
Fig. 2 is the processing flow chart of safety device of the apparatus of passenger conveyor of an embodiment of the present invention.
Fig. 3 represent in the safety device of the apparatus of passenger conveyor that embodiments of the present invention are related the laser-scan sensor first example is set.
Fig. 4 represent in the safety device of the apparatus of passenger conveyor that embodiments of the present invention are related the laser-scan sensor second example is set.
Fig. 5 represent in the safety device of the apparatus of passenger conveyor that embodiments of the present invention are related the laser-scan sensor the 3rd example is set.
Fig. 6 is the front elevation of the state that is provided with of 2 groups of laser-scan sensors in the expression structure shown in Figure 3.
Nomenclature:
1a～1c laser-scan sensor
2 signal processor unit
7 apparatus of passenger conveyor control setups
8 DC-to-AC converter
9 alternating-current motor/AC motors
10 Long-Range Surveillance Units
11 speech synthetic devices
12a, 12b loud speaker
20a, 20c laser pick-off send part
21 laser-transmitting windows
22 laser-scan scopes
23 sensor containing boxs
30 cover plates (deck board)
31 handrails
The specific embodiment
Followingly describe with reference to the embodiment of accompanying drawing to apparatus of passenger conveyor of the present invention.
Fig. 1 is the structural representation of an embodiment of expression apparatus of passenger conveyor of the present invention.
As shown in Figure 1, in the apparatus of passenger conveyor of present embodiment, the cover plate of apparatus of passenger conveyor discrepancy part partly is provided with laser-scan sensor 1a, 1b.These laser- scan sensors 1a, 1b are connected with signal processor unit 2, receive to send the data that part 5 receives from laser- scan sensor 1a, 1b by being arranged on signal processor unit 2 in-to-in serial communications, after in CPU3, data being handled result is outputed to interface section 6.The handler of the described CPU3 of memory device 4 storages etc., and can write down resulting data.The output of signal processor unit 2 is sent in the apparatus of passenger conveyor control setup 7, this apparatus of passenger conveyor control setup 7 as required, by speech synthetic device 11, near use loud speaker 12a, the 12b be arranged on the part of coming in and going out that the passenger of apparatus of passenger conveyor is called attention to voice suggestion.Simultaneously, reduce the rotative speed of the output frequency of DC-to-AC converter 8, thereby reduce the running velocity of apparatus of passenger conveyor with reduction alternating-current motor/AC motor 9.And, by Long-Range Surveillance Unit 10 to the management devices of maintenance management company circular taken place in the part of coming in and going out that the passenger comes to a halt, obstruction and congestion state, can urge its supervisor status to confirm to apparatus of passenger conveyor.
Fig. 2 is the processing flow chart of a series of actions flow process of safety control of the apparatus of passenger conveyor of expression an embodiment of the present invention.
Wherein, laser- scan sensor 1a, 1b make its in-to-in Laser emission part and laser pick-off partial rotation, the anglec of rotation θ apart from r and laser pick-off part between that output obtains according to reflection the time of advent and the object.These data are received by CPU3 by the serial communication reception transmission part 5 that is arranged in the signal processor unit 2 in step 201.Because these data are data of circle coordinates system, therefore, are r detecting distance setting, when the anglec of rotation is set at θ, can obtain the position of the check point on the XY plane coordinates by following formula.
x＝r·cosθ (1)
y＝r·sinθ (2)
Scan by laser- scan sensor 1a, 1b, generate the coordinate map (step 202) of the continuity point of detected object object surfaces.Next, in step 203, with this coordinate map with overlap at the coordinate data map that does not have to measure under passenger's the state in advance, the deletion fixed obstacle coordinate data.Thus, in step 204,, can access passenger's outline data by the current plane coordinates data map on the apparatus of passenger conveyor.In addition, in step 205,, calculate the coordinate of passenger's center-point, and be recorded in the built-in memory device 4 of signal processor unit 2 according to passenger's outline data.Until before the certain hour in the past (before about 1 second), continue these record data are carried out record.Afterwards, in step 206,, monitor the amount of movement of a target object center-point, in step 207, calculate the moving velocity of each detected object object every the of short duration time (about 100ms).
At this, in step 208,, then testing result is judged as the situation that the passenger comes to a halt or stops up that occurred when the moving velocity of detected object object during less than predetermined threshold value.
Detecting not that the passenger comes to a halt or during situation about stopping up, entering step 209, the quantity of object to be detected is detected, during greater than threshold value, congestion state has partly appearred in the discrepancy that is judged as at apparatus of passenger conveyor in this quantity.
In step 210, judge that the passenger comes to a halt or stop up or the congestion state of the part of coming in and going out has continued certain time interval T 1 when above, in step 211, be judged as and the state that need give a warning occurred, and use speech synthetic device 11 and loud speaker 12a or 12b for example to carry out the voice suggestion that " crowded now; as please the passenger not stop, please go ahead " etc. is used to urge.
In addition, in by the apparatus of passenger conveyor of such as Long-Range Surveillance Unit 10 grades, in step 212, circulate a notice of, will produce obstruction and congestion state and carry out this intelligence aids of warning to management company by management company's enforcement telemonitoring.
And, near the outlet of apparatus of passenger conveyor discrepancy part, if state of being judged of coming to a halt or stopping up or crowded state etc. are still in continuity, and in step 213, be judged as when having surpassed regular hour T2, then may occur a large amount of passengers crowd near apparatus of passenger conveyor outlet situation and might cause danger.Therefore, in step 214, use speech synthetic device 11 and loud speaker 12a, 12b to carry out the voice suggestion of " speed will slow down; please note " and so on, to cause that the passenger notes, send instruction from apparatus of passenger conveyor control setup 7 to DC-to-AC converter 8 simultaneously, to reduce output frequency and voltage.Thus, the passengers quantity of the arrival apparatus of passenger conveyor exit portion by reducing the per unit time can be removed the blocked state of exit portion and congestion state etc.
After reducing running velocity,, be necessary the speed of apparatus of passenger conveyor is returned to common speed if be judged as in step 215 that near the apparatus of passenger conveyor outlet mobile stops or balky state when having removed.Therefore, in step 216, use speech synthetic device 11 and loud speaker 12a, 12b to carry out the voice suggestion of " speed will be accelerated; please note " and so on, to cause that the passenger notes, send instruction from apparatus of passenger conveyor control setup 7 to DC-to-AC converter 8 simultaneously, to improve output frequency and voltage.Thus, return to original rotative speed by making the rotative speed that drives with alternating-current motor/AC motor 9, so that the running velocity of apparatus of passenger conveyor is returned to original speed.
On the other hand, near the apparatus of passenger conveyor outlet mobile stops or balky state does not obtain removing, and in step 215, be judged as when having surpassed regular hour T3, near the outlet of apparatus of passenger conveyor, be in dangerous state owing to there being a large amount of passengers to crowd.Therefore, in step 217, use speech synthetic device 11 and loud speaker 12a, 12b to carry out the voice suggestion of " operation will stop; please noting " and so on, to arouse passenger's attention, send instruction from apparatus of passenger conveyor control setup 7 to DC-to-AC converter 8 simultaneously, make output frequency and voltage be reduced to zero.Then, be reduced under the almost nil situation in speed, brake equipment mechanically keeps apparatus of passenger conveyor under static state, and the final power supply of cutting off electrical motor 9.Thus, stop the passenger to the moving of apparatus of passenger conveyor exit portion, dangerous to prevent near exit portion, to occur.
In addition, in by the apparatus of passenger conveyor of such as Long-Range Surveillance Unit 10 grades, in step 218, circulate a notice of, will produce the state that stops up and crowd and stop this intelligence aids automatically and give management company by management company's enforcement telemonitoring.
Fig. 3 is first schematic perspective view that example and scanning range be set of laser-scan sensor of the passageway part of the apparatus of passenger conveyor in the embodiments of the present invention.
As shown in the figure, the laser-transmitting window 21 of laser-scan sensor is assembled in the cover plate of apparatus of passenger conveyor, and it scans in scanning range 22 near the discrepancy part of apparatus of passenger conveyor.By laser-transmitting window 21 is installed in the cover plate of apparatus of passenger conveyor, makes it be provided with and impact can not for the shape of railing.
Fig. 4 is second schematic perspective view that example and scanning range be set of laser-scan sensor of the discrepancy part of apparatus of passenger conveyor of the present invention.
As shown in the figure, laser-scan sensor containing box 23 is provided with on the cover board, and the glass board that the laser of laser-scan sensor sees through railing detects.By the laser-scan sensor is placed on the cover board, detection range can be provided with than higher.Be positioned at by the height that makes detection range the passenger body partial sum leg portion near, can detect the more stable position of moving velocity, so can improve the precision of detection.
Fig. 5 is the 3rd schematic perspective view that example and scanning range be set of laser-scan sensor of the discrepancy part of the apparatus of passenger conveyor in the embodiment of the present invention.
As shown in the figure, the laser-transmitting window 21 of laser-scan sensor is arranged on the surface stainless steel plate portion of the railing part of apparatus of passenger conveyor.At this moment, the same with Fig. 4, also detection range can be provided with than higher.By the more stable position of moving velocity is detected, can improve the precision of detection.
Fig. 6 is the front elevation of the state that is provided with of 2 groups of laser-scan sensors in the expression structure shown in Figure 3.Cover plate 30 about being positioned at during from top view runs through and is provided with handrail 31, thereunder, is provided with a pair of laser-scan sensor 1a and 1c.At this,, can make laser detection light 22a and 22c between mutually, can not produce under the state of interference and detect moving of mobile object by the height that is provided with of stagger laser-scan sensor 1a and 1c.In addition, by each laser pick-off is sent the top edge partial sum lower edge part that part 20a, 20c are configured in laser-transmitting window 21, can make the laser-transmitting window about the railing part all be provided with symmetrically, thereby can obtain graceful outward appearance.
In addition, Fig. 6 is that example is described with the structure of Fig. 3, but also can realize identical design in the structure of Fig. 4 and Fig. 5.
According to above embodiment, the influence of the external disturbance that sunshine etc. can be caused is controlled in the minimum scope, can accurately detect passenger's mobile status, state such as can detect that the passenger stops up and crowded.Therefore, the voice suggestion by will calling attention to, running velocity control and stop control combination together can improve near the safety the gangway of apparatus of passenger conveyor.
Claims (12)
1. the safety device of an apparatus of passenger conveyor, it is to have a plurality of steps that ring-type connects and circulation is moved, with this step with moved further and by the moving hand-rail of railing component parts guiding, the actuating device that comprises the electrical motor that drives described step and described moving hand-rail, this actuating device is carried out the DC-to-AC converter of variable-ratio control, described DC-to-AC converter is sent the control setup of control command and the safety device of the apparatus of passenger conveyor of the speech synthetic device of the voice suggestion that calls attention to, it is characterized in that
Have laser-scan sensor and voice suggestion control setup, the moving velocity of the passenger discrepancy part of the described apparatus of passenger conveyor of this laser-scan sensor determination near, this voice suggestion control setup is at the passenger's who is gone out by this laser-scan sensor determination moving velocity during less than specified value, the voice suggestion that described speech synthetic device is called attention to
Described laser-scan sensor scans by laser is moved, thereby makes the coordinate map of detected object thing at every specified time, obtains amount of movement according to difference two described coordinate maps constantly, thereby measures described passenger's moving velocity.
2. the safety device of apparatus of passenger conveyor as claimed in claim 1 is characterized in that,
Have the voice suggestion control setup, its passenger's who goes out by described laser-scan sensor determination moving velocity less than the state continuance of specified value specified time when above, the voice suggestion that described speech synthetic device is called attention to.
3. the safety device of apparatus of passenger conveyor as claimed in claim 1 is characterized in that,
Have Long-Range Surveillance Unit and circular control setup, wherein this Long-Range Surveillance Unit has the circular function of circulating a notice of to central monitoring position, this circular control setup, is circulated a notice of to described central monitoring position by described Long-Range Surveillance Unit during less than specified value at the passenger's who is gone out by described laser-scan sensor determination moving velocity.
4. the safety device of apparatus of passenger conveyor as claimed in claim 1 is characterized in that,
Have the voice suggestion control setup, this voice suggestion control setup when detecting the passengers quantity that goes out by described laser-scan sensor determination and surpassed the state of specified value, the voice suggestion that described speech synthetic device is called attention to.
5. the safety device of apparatus of passenger conveyor as claimed in claim 1 is characterized in that,
Has deceleration control device, this deceleration control device the passengers quantity that goes out by described laser-scan sensor determination surpassed specified value state continuance specified time when above, reduce the output frequency of described DC-to-AC converter, thereby reduce the running velocity of apparatus of passenger conveyor.
6. the safety device of apparatus of passenger conveyor as claimed in claim 1 is characterized in that,
The mensuration of the passenger's moving velocity that is undertaken by described laser-scan sensor has the unit that detects the center-point that is positioned at the inspected object on the plane coordinates and detects the unit that move of this center-point on plane coordinates.
7. the safety device of an apparatus of passenger conveyor, its be have ring-type connects and circulation is moved a plurality of steps, with this step with moved further and by the moving hand-rail of railing component parts guiding, the safety device of apparatus of passenger conveyor that comprises the actuating device of the electrical motor that drives described step and described moving hand-rail, this actuating device is carried out the DC-to-AC converter of variable-ratio control and described DC-to-AC converter sent the control setup of control command, it is characterized in that
Have laser-scan sensor and deceleration control device, the moving velocity of the passenger discrepancy part of the described apparatus of passenger conveyor of this laser-scan sensor determination near, this deceleration control device the passenger's who goes out by this laser-scan sensor determination moving velocity less than the state continuance of specified value during specified time, reduce the output frequency of described DC-to-AC converter, thereby reduce the running velocity of described apparatus of passenger conveyor
Described laser-scan sensor scans by laser is moved, thereby makes the coordinate map of detected object thing at every specified time, obtains amount of movement according to difference two described coordinate maps constantly, thereby measures described passenger's moving velocity.
8. the safety device of apparatus of passenger conveyor as claimed in claim 7 is characterized in that,
Has stop control, this stop control is after making described device of passenger conveyor slow down by described deceleration control device, reduce and continued specified time when above when passenger's moving velocity, it is zero that the output frequency of described DC-to-AC converter is reduced to essence, and apparatus of passenger conveyor is stopped.
9. the safety device of apparatus of passenger conveyor as claimed in claim 7 is characterized in that,
Have speed and recover control setup, this speed is recovered control setup after described apparatus of passenger conveyor being slowed down or stop, and when described passenger's moving velocity disappears less than the state of specified value, the speed of described apparatus of passenger conveyor is risen.
10. the safety device of an apparatus of passenger conveyor, it is to have a plurality of steps that ring-type connects and circulation is moved, with this step with moved further and by the moving hand-rail of railing component parts guiding, the actuating device that comprises the electrical motor that drives described step and described moving hand-rail, this actuating device is carried out the DC-to-AC converter of variable-ratio control, described DC-to-AC converter is sent the control setup of control command and the safety device of the apparatus of passenger conveyor of the speech synthetic device of the voice suggestion that calls attention to, it is characterized in that
Has the laser-scan sensor, voice suggestion control setup and deceleration control device, the moving velocity of the passenger discrepancy part of the described apparatus of passenger conveyor of this laser-scan sensor determination near, this voice suggestion control setup is at the passenger's who is gone out by this laser-scan sensor determination moving velocity during less than specified value, the voice suggestion that described speech synthetic device is called attention to, near the passenger of this deceleration control device described part of coming in and going out moving velocity reduce continued specified time when above, reduce the output frequency of described DC-to-AC converter, thereby reduce the running velocity of described apparatus of passenger conveyor
Described laser-scan sensor scans by laser is moved, thereby makes the coordinate map of detected object thing at every specified time, obtains amount of movement according to difference two described coordinate maps constantly, thereby measures described passenger's moving velocity.
11. the method for controlling security of an apparatus of passenger conveyor, it is to have a plurality of steps that ring-type connects and circulation is moved, with this step with moved further and by the moving hand-rail of railing component parts guiding, the actuating device that comprises the electrical motor that drives described step and described moving hand-rail, this actuating device is carried out the DC-to-AC converter of variable-ratio control, described DC-to-AC converter is sent the control setup of control command and the method for controlling security of the apparatus of passenger conveyor of the speech synthetic device of the voice suggestion that calls attention to, it is characterized in that
Have by the laser-scan sensor measure near the passenger the discrepancy part of described apparatus of passenger conveyor moving velocity step and at the passenger's who goes out by this laser-scan sensor determination moving velocity during less than specified value, make the step of the voice suggestion that described speech synthetic device calls attention to
Described laser-scan sensor scans by laser is moved, thereby makes the coordinate map of detected object thing at every specified time, obtains amount of movement according to difference two described coordinate maps constantly, thereby measures described passenger's moving velocity.
12. the method for controlling security of an apparatus of passenger conveyor, its be have ring-type connects and circulation is moved a plurality of steps, with this step with moved further and by the moving hand-rail of railing component parts guiding, the method for controlling security of apparatus of passenger conveyor that comprises the actuating device of the electrical motor that drives described step and described moving hand-rail, this actuating device is carried out the DC-to-AC converter of variable-ratio control and described DC-to-AC converter sent the control setup of control command, it is characterized in that
Have:
Near the step of the moving velocity of the passenger the discrepancy part by the described apparatus of passenger conveyor of laser-scan sensor determination; The passenger's who goes out by this laser-scan sensor determination moving velocity less than the state continuance of specified value during specified time, reduce the output frequency of described DC-to-AC converter, thereby reduce the deceleration control step of the running velocity of apparatus of passenger conveyor; And
The passenger's who goes out by described laser-scan sensor determination moving velocity less than the state continuance of specified value during specified time, it is zero to make the controlled step that stops that apparatus of passenger conveyor stops that the output frequency of described DC-to-AC converter is reduced to essence,
Described laser-scan sensor scans by laser is moved, thereby makes the coordinate map of detected object thing at every specified time, obtains amount of movement according to difference two described coordinate maps constantly, thereby measures described passenger's moving velocity.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007154182A JP5249529B2 (en) | 2007-06-11 | 2007-06-11 | Passenger conveyor safety device and safety control method |
| JP2007-154182 | 2007-06-11 | ||
| JP2007154182 | 2007-06-11 |
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| CN101323411A CN101323411A (en) | 2008-12-17 |
| CN101323411B true CN101323411B (en) | 2011-02-02 |
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| CN2008101255337A Active CN101323411B (en) | 2007-06-11 | 2008-06-10 | Safety apparatus and safety control method of passenger conveying apparatus |
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| Publication number | Publication date |
|---|---|
| CN101323411A (en) | 2008-12-17 |
| JP5249529B2 (en) | 2013-07-31 |
| JP2008303057A (en) | 2008-12-18 |
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