CN116888061A - Point inspection device for point inspecting state of position relation between comb teeth and clamping plates of passenger conveyor - Google Patents
Point inspection device for point inspecting state of position relation between comb teeth and clamping plates of passenger conveyor Download PDFInfo
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- CN116888061A CN116888061A CN202180093679.1A CN202180093679A CN116888061A CN 116888061 A CN116888061 A CN 116888061A CN 202180093679 A CN202180093679 A CN 202180093679A CN 116888061 A CN116888061 A CN 116888061A
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- 238000007689 inspection Methods 0.000 title claims abstract description 83
- 238000013075 data extraction Methods 0.000 claims abstract description 17
- 239000000284 extract Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 17
- 230000010363 phase shift Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 26
- 230000006870 function Effects 0.000 description 10
- 238000001514 detection method Methods 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
- B66B29/02—Safety devices of escalators or moving walkways responsive to, or preventing, jamming by foreign objects
- B66B29/06—Combplates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B31/00—Accessories for escalators, or moving walkways, e.g. for sterilising or cleaning
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- Escalators And Moving Walkways (AREA)
Abstract
Provided is a spot inspection device for a passenger conveyor, which can judge the position relationship between a plurality of comb teeth and a plurality of clamping plates before the comb teeth collide with the clamping plates. The spot inspection device of the passenger conveyor comprises: a data acquisition unit that acquires surface data reflecting the surface irregularities of the plurality of teeth and the surface irregularities of the plurality of splints; a data extraction unit that extracts comb-shaped data, which is multi-dimensional vector data representing the shapes of the plurality of comb teeth, and splint shape data, which is multi-dimensional vector data representing the shapes of the plurality of splints, from the surface data acquired by the data acquisition unit; a similarity calculation unit that calculates a similarity between the comb-shaped data extracted by the data extraction unit and the splint-shaped data; and a state determination unit that determines a state of a positional relationship between the plurality of comb teeth and the plurality of splints based on the similarity calculated by the similarity calculation unit.
Description
Technical Field
The present invention relates to a spot inspection device for inspecting a state of a positional relationship between a plurality of comb teeth (comb teeth) and a plurality of nip plates (clear) of a passenger conveyor.
Background
Patent document 1 discloses a spot inspection device of a passenger conveyor. According to this spot inspection device, when any one of the plurality of comb teeth periodically arranged in the comb (comb) of the passenger conveyor collides with any one of the plurality of clamp plates periodically arranged in the steps and is broken, the breakage of the comb teeth can be detected.
Prior art literature
Patent literature
Patent document 1: japanese patent laid-open No. 2006-27790
Disclosure of Invention
Problems to be solved by the invention
However, the spot inspection device described in patent document 1 only determines the states of the plurality of comb teeth. Therefore, the state of the positional relationship between the plurality of comb teeth and the plurality of splints cannot be determined before the comb teeth collide with the splints.
The present invention has been made to solve the above problems. The invention aims to provide a spot inspection device of a passenger conveyor, which can judge the position relation between a plurality of comb teeth and a plurality of clamping plates before the comb teeth collide with the clamping plates.
Means for solving the problems
The spot inspection device of the passenger conveyor of the invention comprises: a data acquisition unit that acquires surface data reflecting the surface irregularities of the plurality of teeth and the surface irregularities of the plurality of splints; a data extraction unit that extracts comb-shaped data, which is multi-dimensional vector data representing the shapes of the plurality of comb teeth, and splint shape data, which is multi-dimensional vector data representing the shapes of the plurality of splints, from the surface data acquired by the data acquisition unit; a similarity calculation unit that calculates a similarity between the comb-shaped data extracted by the data extraction unit and the splint-shaped data; and a state determination unit that determines a state of a positional relationship between the plurality of comb teeth and the plurality of splints based on the similarity calculated by the similarity calculation unit.
Effects of the invention
According to the present invention, the click device determines the state of the positional relationship between the plurality of comb teeth and the plurality of splints based on the similarity between the comb-shaped data and the splint-shaped data. The state of the positional relationship between the plurality of comb teeth and the plurality of splints can be determined before the comb teeth collide with the splints.
Drawings
Fig. 1 is a block diagram of an escalator to which the spot check device of the passenger conveyor according to embodiment 1 is applied.
Fig. 2 is a diagram for explaining the inspection of the passenger conveyor by the inspection apparatus of the passenger conveyor according to embodiment 1.
Fig. 3 is a block diagram of the spot inspection device of the passenger conveyor according to embodiment 1.
Fig. 4 is a diagram showing surface data used in the inspection device of the passenger conveyor according to embodiment 1.
Fig. 5 is a diagram for explaining a method of extracting comb-shaped data and cleat shape data by the inspection device of the passenger conveyor of embodiment 1.
Fig. 6 is a diagram for explaining a method of calculating the similarity between comb-shaped data and cleat shape data by the spot inspection device of the passenger conveyor according to embodiment 1.
Fig. 7 is a hardware configuration diagram of the inspection device of the passenger conveyor according to embodiment 1.
Fig. 8 is a block diagram of the spot inspection device of the passenger conveyor according to embodiment 2.
Fig. 9 is a diagram for explaining a method of shifting the phase of one of comb-shaped data and splint-shaped data in the spot inspection device of the passenger conveyor according to embodiment 2.
Fig. 10 is a diagram for explaining the inspection of the passenger conveyor by the inspection device of the passenger conveyor according to embodiment 3.
Fig. 11 is a diagram for explaining a method of extracting comb-shaped data and cleat shape data by the inspection device of the passenger conveyor of embodiment 3.
Fig. 12 is a block diagram of a spot inspection device of the passenger conveyor according to embodiment 4.
Fig. 13 is a diagram for explaining a method of determining a timing when an end portion of a step passes directly below a plurality of comb teeth in the spot inspection device of the passenger conveyor according to embodiment 4.
Detailed Description
Embodiments are described with reference to the accompanying drawings. In the drawings, the same or corresponding portions are denoted by the same reference numerals. Repeated description of this portion is appropriately simplified or omitted.
Embodiment 1.
Fig. 1 is a block diagram of an escalator to which the spot check device of the passenger conveyor according to embodiment 1 is applied.
In the escalator of fig. 1, a lower landing gear 1 is provided at the lower part of the passenger conveyor. The lower landing entrance 1 is provided at a floor below the adjacent floor. The upper entrance 2 is provided at the upper part of the passenger conveyor. The upper landing entrance 2 is provided at a floor above the adjacent floor.
The lower machine room 3 is arranged below the lower landing port 1. The upper machine room 4 is arranged below the upper boarding and disembarking port 2.
A plurality of steps 5 are provided between the lower landing entrance 1 and the upper landing entrance 2. The plurality of steps 5 are arranged in a ring shape.
One of the pair of skirt plates 6 is provided outside one side of the plurality of steps 5. The other of the pair of skirt plates 6 is provided outside the other of the plurality of steps 5. The pair of skirt panels 6 are each along the length of the passenger conveyor.
One of the pair of balustrade panels 7 is provided on one of the pair of skirt panels 6. The other of the pair of balustrade panels 7 is provided on the other of the pair of skirt panels 6. A pair of balustrade panels 7 are each along the length of the passenger conveyor.
One of the pair of handrails 8 is provided on one of the pair of balustrade panels 7. The other of the pair of handrails 8 is provided on the other of the pair of balustrade panels 7. The pair of armrests 8 are each provided in a ring shape.
In operation of the escalator, the steps 5 are moved in a cycle. A pair of handrails 8 is cyclically moved in synchronization with the plurality of steps 5.
Next, a point inspection of the passenger conveyor will be described with reference to fig. 2.
Fig. 2 is a diagram for explaining the inspection of the passenger conveyor by the inspection apparatus of the passenger conveyor according to embodiment 1.
As shown in fig. 2 (a), a plurality of comb teeth 9 are provided at the end of the lower entrance 1. Although not shown, a plurality of comb teeth 9 are also provided at the end of the upper entrance 2. A plurality of clamping plates 10 are provided on the upper surface of the steps 5. The plurality of clamping plates 10 are engaged with the plurality of comb teeth 9 in a state where the step 5 is located at the end of the lower landing gear 1. In the case where the steps 5 are located at the end of the upper landing gear 2, the plurality of clamping plates 10 and the plurality of comb teeth 9 are engaged with each other.
As shown in fig. 2 (b), the sensor 11 is temporarily disposed above the lower entrance 1. For example, the sensor 11 is a region imaging device. The detection area of the sensor 11 is set to include an area in which the plurality of comb teeth 9 and the plurality of splints 10 can be detected as a whole.
As shown in fig. 2 (c), the looking area in the detection area of the sensor 11 is set to an area where the plurality of comb teeth 9 and the plurality of chucking plates 10 alternately appear in the width direction of the passenger conveyor.
The sensor 11 detects the surface irregularities of the plurality of comb teeth 9 and the surface irregularities of the plurality of clamping plates 10 in the viewing area.
The spot inspection device 12 spot-inspects the state of the positional relationship between the plurality of comb teeth 9 and the plurality of chucking plates 10 based on the surface data reflecting the surface irregularities of the plurality of comb teeth 9 and the surface irregularities of the plurality of chucking plates 10.
Next, the inspection device 12 will be described with reference to fig. 3.
Fig. 3 is a block diagram of the spot inspection device of the passenger conveyor according to embodiment 1.
As shown in fig. 3, the spot inspection device 12 includes a data acquisition unit 12a, a data extraction unit 12b, a similarity calculation unit 12c, and a state determination unit 12d.
The data acquisition unit 12a acquires surface data from the sensor 11.
The data extraction unit 12b extracts comb shape data and splint shape data by separating the surface data acquired by the data acquisition unit 12a using color information. For example, the data extraction unit 12b extracts multidimensional vector data representing the shapes of the plurality of comb teeth 9 as comb-shaped data. For example, the data extraction unit 12b extracts, as the splint shape data, multidimensional vector data indicating the shapes of the plurality of splints 10.
The similarity calculation unit 12c calculates the similarity between the comb-shaped data extracted by the data extraction unit 12b and the splint-shape data.
The state determination unit 12d determines the state of the positional relationship between the plurality of comb teeth 9 and the plurality of splints 10 based on the similarity calculated by the similarity calculation unit 12 c.
Next, surface data will be described with reference to fig. 4.
Fig. 4 is a diagram showing surface data used in the inspection device of the passenger conveyor according to embodiment 1.
As shown in fig. 4, in the surface data, the color of the comb teeth 9 is different from the color of the splint 10. Specifically, the color of the comb teeth 9 is different from the colors of the convex and concave portions of the chucking plate 10.
Next, a method of extracting comb-shaped data and splint-shape data will be described with reference to fig. 5.
Fig. 5 is a diagram for explaining a method of extracting comb-shaped data and cleat shape data by the inspection device of the passenger conveyor of embodiment 1.
As shown in fig. 5 (a), the spot inspection device 12 extracts surface data as data of a pixel matrix. Then, as shown in fig. 5 (b), the spot inspection device 12 binarizes the data of the pixel matrix. For example, the threshold at this time is set to "40".
Then, as shown in fig. 5 (c), the spot inspection device 12 convolves the binarized data in the vertical direction. Specifically, the pointing device 12 integrates values aligned in the vertical direction in the binarized data. Then, as shown in fig. 5 (d), the spot inspection device 12 sets waveform data obtained by integrating values aligned in the vertical direction in the binarized data and patterning the values as comb-shaped data or splint-shaped data.
Next, a method of calculating the similarity between comb-shaped data and splint-shape data will be described with reference to fig. 6.
Fig. 6 is a diagram for explaining a method of calculating the similarity between comb-shaped data and cleat shape data by the spot inspection device of the passenger conveyor according to embodiment 1.
Fig. 6 (a) shows comb-like data. Fig. 6 (b) shows splint shape data. The spot inspection device 12 calculates an inner product of the comb-shaped data and the splint-shaped data. Specifically, the spot inspection device 12 calculates the product of the value of the comb shape data and the value of the splint shape data for each horizontal position. The spot inspection device 12 sets the calculated value at this time as the value of the similarity.
Fig. 6 (c) shows the temporal change in the similarity. The spot check device 12 compares the value of the similarity with a preset threshold value. The spot inspection device 12 determines that an abnormality has occurred when the value of the similarity is smaller than a predetermined threshold value. Specifically, the spot inspection device 12 determines that the plurality of comb teeth and the plurality of splints are approaching.
According to embodiment 1 described above, the spot inspection device 12 determines the state of the positional relationship between the plurality of comb teeth 9 and the plurality of splints 10 based on the similarity between the comb-shaped data and the splint-shape data. Therefore, the state of the relative positional relationship between the plurality of comb teeth 9 and the plurality of chucking plates 10 can be quantitatively determined before the comb teeth 9 collide with the chucking plates 10. As a result, the proximity of the comb teeth 9 to the splint 10 can be detected.
Specifically, the state determination unit 12d may determine that the plurality of comb teeth 9 and the plurality of splints 10 are approaching when the value of the similarity calculated by the similarity calculation unit 12c is smaller than a predetermined threshold value.
The spot inspection device 12 separates the comb-shaped data and the splint-shaped data based on the color information of the surface data. Therefore, a simple area imaging device can be employed as the sensor 11. Further, the influence of the orientation of the sensor 11 can be suppressed.
Next, an example of the spot inspection device 12 will be described with reference to fig. 7.
Fig. 7 is a hardware configuration diagram of the inspection device of the passenger conveyor according to embodiment 1.
The functions of the spot check device 12 may be implemented by a processing circuit. For example, the processing circuit is provided with at least one processor 100a and at least one memory 100b. For example, the processing circuit is provided with at least one dedicated hardware 200.
In the case where the processing circuit is provided with at least one processor 100a and at least one memory 100b, the respective functions of the spot check apparatus 12 are implemented by software, firmware, or a combination of software and firmware. At least one of the software and the firmware is described as a program. At least one of the software and firmware is stored in at least one memory 100b. The at least one processor 100a implements the functions of the spot check device 12 by reading and executing programs stored in the at least one memory 100b. The at least one processor 100a is also referred to as a central processing unit, a processing unit, an arithmetic unit, a microprocessor, a microcomputer, a DSP. For example, the at least one Memory 100b is a nonvolatile or volatile semiconductor Memory such as a RAM (Random Access Memory: random access Memory), a ROM (Read Only Memory), a flash Memory, an EPROM (Erasable Programmable Read Only Memory: erasable programmable Read Only Memory), an EEPROM (Electrically Erasable Programmable Read Only Memory: electrically erasable programmable Read Only Memory), a magnetic disk, a floppy disk, an optical disk, a CD (compact disc), a mini disc (mini disc), a DVD (Digital Versatile Disk: digital versatile disc), or the like.
In the case of processing circuitry having at least one dedicated hardware 200, the processing circuitry is implemented, for example, by a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC (Application Specific Integrated Circuit: application specific integrated circuit), an FPGA (Field Programmable Gate Array: field programmable gate array), or a combination thereof. For example, each function of the spot check device 12 is realized by a processing circuit. For example, the functions of the spot check device 12 are collectively realized by a processing circuit.
Regarding the functions of the spot check device 12, one part may be implemented by dedicated hardware 200, and the other part may be implemented by software or firmware. For example, the functions of the state determination unit 12d may be realized by a processing circuit that is dedicated hardware 200, and the functions other than the functions of the state determination unit 12d may be realized by at least one processor 100a reading out and executing a program stored in at least one memory 100b.
Thus, the processing circuitry implements the functions of the spot check apparatus by hardware 200, software, firmware, or a combination thereof.
Embodiment 2.
Fig. 8 is a block diagram of the spot inspection device of the passenger conveyor according to embodiment 2. The same or corresponding parts as those of embodiment 1 are denoted by the same reference numerals. The description of this portion is omitted.
As shown in fig. 8, the spot inspection device 12 includes a phase shift section 12e.
The phase shift unit 12e shifts the phase of one of the comb-shaped data and the splint-shaped data extracted by the data extraction unit 12 b.
The similarity calculating unit 12c calculates a similarity between one of the comb-shaped data and the splint-shaped data, the phase of which has been shifted by the phase shifting unit 12e, and the other of the comb-shaped data and the splint-shaped data, which has been extracted by the data extracting unit 12 b.
Next, a method of shifting the phase of one of the comb-shaped data and the splint-shaped data will be described with reference to fig. 9.
Fig. 9 is a diagram for explaining a method of shifting the phase of one of comb-shaped data and splint-shaped data in the spot inspection device of the passenger conveyor according to embodiment 2.
Fig. 9 (a) shows comb-like data. Fig. 9 (b) shows splint shape data. The spot inspection device 12 shifts the phase of one of the comb-shaped data and the splint-shaped data so that the similarity is substantially 1.
According to embodiment 2 described above, the spot inspection device 12 shifts the phase of one of the comb-shaped data and the splint-shaped data. Therefore, the similarity between the comb-shaped data and the splint-shaped data can be made close to 1, which is the maximum value at the time of normalization. As a result, the difference in abnormal time between the case where the state of the positional relationship between the plurality of comb teeth 9 and the plurality of clamping plates 10 is normal and the case where the state of the positional relationship between the plurality of comb teeth 9 and the plurality of clamping plates 10 is abnormal can be increased.
Embodiment 3.
Fig. 10 is a diagram for explaining the inspection of the passenger conveyor by the inspection device of the passenger conveyor according to embodiment 3. The same or corresponding parts as those of embodiment 1 are denoted by the same reference numerals. The description of this portion is omitted.
Fig. 10 (a) shows an example of the arrangement of the sensor 11. As shown in fig. 10 (a), the sensor 11 is temporarily provided above the plurality of comb teeth 9. The detection area of the sensor 11 is set to include an area in which the plurality of comb teeth 9 and the plurality of splints 10 can be detected as a whole.
Fig. 10 (b) is an example of the configuration of the 1 st sensor 11a and the 2 nd sensor 11 b. As shown in fig. 10 (b), the 1 st sensor 11a is temporarily disposed above the plurality of comb teeth 9. The detection area in the 1 st sensor 11a is set so that the plurality of comb teeth 9 and the plurality of splints 10 can be detected. The 2 nd sensor 11b is temporarily disposed closer to the center side of the passenger conveyor than the 1 st sensor 11 a. The detection area in the 2 nd sensor 11b is set so that the plurality of splints 10 can be detected and the plurality of comb teeth 9 cannot be detected.
As shown in fig. 10 (c), the 1 st looking region is set as a region where the plurality of comb teeth 9 and the plurality of chucking plates 10 alternately appear in the width direction of the passenger conveyor. The 2 nd viewing area is set as an area where the plurality of cleats 10 are arranged to appear in the width direction of the passenger conveyor and the plurality of comb teeth 9 are not present.
In the case of using the sensor 11 of fig. 10 (a), the sensor 11 detects the surface irregularities of the plurality of comb teeth 9 and the surface irregularities of the plurality of chucking plates 10 in the 1 st viewing area. The sensor 11 detects the surface irregularities of the plurality of splints 10 in the 2 nd viewing area.
In the case of using the 1 st sensor 11a and the 2 nd sensor 11b of fig. 10 (b), the 1 st sensor 11a detects the surface irregularities of the plurality of comb teeth 9 and the surface irregularities of the plurality of clamping plates 10 in the 1 st viewing area. The 2 nd sensor 11b detects the surface irregularities of the plurality of splints 10 in the 2 nd viewing area.
The spot inspection device 12 recognizes, as positional information of the plurality of comb teeth 9, positional information at a position in the 1 st focus area, which is obtained after being shifted in the traveling direction of the steps 5 with respect to the 2 nd focus area. The spot inspection device 12 recognizes the position information of the 2 nd viewing area as the position information of the plurality of splints 10. The spot inspection device 12 determines the state of the positional relationship between the plurality of comb teeth 9 and the plurality of splints 10 based on the positional information of the plurality of comb teeth 9 and the positional information of the plurality of splints 10.
Next, a method of extracting comb-shaped data and splint-shape data will be described with reference to fig. 11.
Fig. 11 is a diagram for explaining a method of extracting comb-shaped data and cleat shape data by the inspection device of the passenger conveyor of embodiment 3.
Fig. 11 (a) shows distance data in the depth direction in the 1 st noted area and distance data in the depth direction in the 2 nd noted area.
Fig. 11 (b) shows 1 st waveform data corresponding to the distance data in the depth direction in the 1 st noted area, and 2 nd waveform data corresponding to the distance data in the depth direction in the 2 nd noted area.
The spot inspection device 12 sets the 2 nd waveform data as the splint shape data. The spot inspection device sets the difference between the 1 st waveform data and the 2 nd waveform data as comb-shaped data.
According to embodiment 3 described in the foregoing, the spot inspection device 12 recognizes, as the positional information of the plurality of comb teeth 9, positional information at a position in the 1 st attention area, which is obtained after being shifted in the traveling direction of the steps 5 with respect to the 2 nd attention area. The spot inspection device 12 recognizes the position information of the 2 nd viewing area as the position information of the plurality of splints 10. The inspection device 12 separates the comb-shaped data and the splint-shaped data based on the positional information of the surface data. Therefore, even in the case where there is no color difference between the comb teeth 9 and the chucking plates 10, the state of the positional relationship between the plurality of comb teeth 9 and the plurality of chucking plates 10 can be determined with high accuracy.
Embodiment 4.
Fig. 12 is a block diagram of a spot inspection device of the passenger conveyor according to embodiment 4. The same or corresponding parts as those of embodiment 2 are denoted by the same reference numerals. The description of this portion is omitted.
As shown in fig. 12, the spot inspection device 12 includes a pass determination unit 12f.
The passing determination unit 12f determines whether or not the end of the step 5 passes directly under the plurality of teeth 9.
The state determination unit 12d recognizes each of the plurality of steps 5 based on the determination result of the passing determination unit 12f.
Next, a method of determining the time when the end of the step 5 passes directly below the plurality of teeth 9 will be described with reference to fig. 13.
Fig. 13 is a diagram for explaining a method of determining a timing when an end portion of a step passes directly below a plurality of comb teeth in the spot inspection device of the passenger conveyor according to embodiment 4.
As shown in fig. 13 (a), the spot inspection device 12 extracts surface data as data of a pixel matrix. Then, as shown in fig. 13 (b), the spot inspection device 12 binarizes the data of the pixel matrix. For example, the threshold at this time is set to "40".
Then, as shown in fig. 13 (c), the spot inspection device 12 convolves the binarized data in the vertical direction. Specifically, the pointing device 12 integrates values aligned in the vertical direction in the binarized data. Then, as shown in fig. 13 (d), the spot inspection device 12 sets waveform data obtained by integrating values aligned in the vertical direction in the binarized data and patterning the values as comb-shaped data or splint-shaped data.
In the case where the dummy comb (dup コ) at the end of the step 5 passes directly under the plurality of comb teeth 9, the waveform data is not regarded as a meaningful waveform. In this case, the spot inspection device 12 determines that the end of the step 5 is passing directly under the plurality of comb teeth 9 at the present time. Then, at a time point when the waveform data can be regarded as a meaningful waveform, the spot inspection device 12 recognizes the switching of the steps 5.
According to embodiment 4 described above, the spot inspection device 12 recognizes each of the steps 5 based on the determination result of whether or not the end of the step 5 is passing directly under the plurality of comb teeth 9. Therefore, the steps 5 can be identified individually without requiring a new sensor.
Further, the spot check device 12 recognizes the switching of the steps 5. Therefore, the determination result of the state of the positional relationship between the plurality of comb teeth 9 and the plurality of clamping plates 10 can be recognized in association with the steps 5.
In the determination of whether or not the end of the step 5 passes directly under the plurality of teeth 9, it is possible to determine whether or not a significant period exists within a predetermined period search range for the comb shape data or the splint shape data using a period search method. When a significant period exists within the period search range, it can be determined from the period that the end of the step 5 is passing directly under the plurality of comb teeth 9.
In the determination of whether or not the end of the step 5 passes directly under the plurality of teeth 9, it may be determined whether or not the average value or variance of the comb-shaped data or the splint-shaped data is greater than a predetermined value. If the average value or variance of the comb-shaped data or the splint-shaped data is larger than a predetermined value, it may be determined that the end of the step 5 passes directly under the plurality of comb teeth 9.
The spot inspection by the spot inspection device 12 according to embodiment 1 to embodiment 4 may be performed on the upper entrance 2 side.
In addition, in the travelator, spot inspection by the spot inspection device 12 of embodiment 1 to embodiment 4 may be performed.
Industrial applicability
As described above, the spot inspection device of the passenger conveyor of the present invention can be used for the passenger conveyor.
Description of the reference numerals
1: a lower riding and descending port; 2: an upper landing port; 3: a lower machine room; 4: an upper machine room; 5: a step; 6: skirtboard; 7: a balustrade panel; 8: an armrest; 9: comb teeth; 10: a clamping plate; 11: a sensor; 11a: a 1 st sensor; 11b: a 2 nd sensor; 12: a spot inspection device; 12a: a data acquisition unit; 12b: a data extraction unit; 12c: a similarity calculation unit; 12d: a state determination unit; 12e: a phase shift section; 12f: a pass determination unit; 100a: a processor; 100b: a memory; 200: hardware.
Claims (8)
1. A spot inspection device for a passenger conveyor, wherein the spot inspection device for the passenger conveyor comprises:
a data acquisition unit that acquires surface data reflecting the surface irregularities of the plurality of teeth and the surface irregularities of the plurality of splints;
a data extraction unit that extracts comb-shaped data, which is multi-dimensional vector data representing the shapes of the plurality of comb teeth, and splint shape data, which is multi-dimensional vector data representing the shapes of the plurality of splints, from the surface data acquired by the data acquisition unit;
a similarity calculation unit that calculates a similarity between the comb-shaped data extracted by the data extraction unit and the splint-shaped data; and
and a state determination unit that determines a state of a positional relationship between the plurality of comb teeth and the plurality of splints based on the similarity calculated by the similarity calculation unit.
2. The spot check apparatus of a passenger conveyor according to claim 1, wherein,
the spot inspection device of the passenger conveyor comprises a phase shift part for shifting the phase of one of comb-shaped data and splint-shaped data extracted by the data extraction part,
the similarity calculation unit calculates a similarity between one of the comb-shaped data and the splint-shaped data, the phase of which is shifted by the phase shift unit, and the other of the comb-shaped data and the splint-shaped data, the other of which is extracted by the data extraction unit.
3. The spot check device of a passenger conveyor according to claim 1 or 2, wherein,
the data extraction unit separates the comb-shaped data and the splint-shaped data based on the color information of the surface data acquired by the data acquisition unit.
4. The spot check device of a passenger conveyor according to claim 1 or 2, wherein,
the data extraction unit separates the comb-shaped data and the splint-shaped data based on the positional information of the surface data acquired by the data acquisition unit.
5. The spot check apparatus of a passenger conveyor according to any one of claims 1 to 4, wherein,
when the value of the similarity calculated by the similarity calculation unit is smaller than a predetermined threshold value, the state determination unit determines that the plurality of comb teeth and the plurality of splints are approaching.
6. The spot check apparatus of a passenger conveyor according to any one of claims 1 to 5, wherein,
the spot inspection device of the passenger conveyor comprises a passing determination part for determining whether the end part of the step passes under the comb teeth,
the state determination unit identifies each of the plurality of steps based on the determination state of the passage determination unit.
7. The spot check apparatus of a passenger conveyor according to claim 6, wherein,
the passing determination unit determines whether or not a significant period exists within a preset period search range with respect to the comb-shaped data or the splint-shaped data by using a period search method, and determines that an end of a step is passing directly under the plurality of comb teeth based on the period when the significant period exists within the period search range.
8. The spot check apparatus of a passenger conveyor according to claim 6, wherein,
when the variance or average of the comb-shaped data or the splint-shaped data is larger than a predetermined threshold value, the passing determination unit determines that the end of the step is passing directly under the plurality of comb teeth.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2021/005670 WO2022176010A1 (en) | 2021-02-16 | 2021-02-16 | Inspection device for inspecting state of positional relationship between plurality of comb teeth and plurality of cleats of passenger conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116888061A true CN116888061A (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202180093679.1A Pending CN116888061A (en) | 2021-02-16 | 2021-02-16 | Point inspection device for point inspecting state of position relation between comb teeth and clamping plates of passenger conveyor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7311062B2 (en) |
| CN (1) | CN116888061A (en) |
| WO (1) | WO2022176010A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6892899B2 (en) * | 2019-06-21 | 2021-06-23 | 東芝エレベータ株式会社 | Passenger conveyor and inspection method |
| CN210862491U (en) * | 2019-09-05 | 2020-06-26 | 黄建良 | In-groove meshing depth measuring device |
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- 2021-02-16 JP JP2023500138A patent/JP7311062B2/en active Active
- 2021-02-16 WO PCT/JP2021/005670 patent/WO2022176010A1/en active Application Filing
- 2021-02-16 CN CN202180093679.1A patent/CN116888061A/en active Pending
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| US20080252724A1 (en) * | 2005-09-16 | 2008-10-16 | Herbert Horbruegger | Optically Monitoring Comb-Line of Escalators and Moving Walks |
| JP2014080267A (en) * | 2012-10-16 | 2014-05-08 | Mitsubishi Electric Corp | Device and method for automatically monitoring passenger conveyor |
| CN103879875A (en) * | 2012-12-19 | 2014-06-25 | 上海三菱电梯有限公司 | Step deficiency detection and non-manipulated inversion detection device for passenger conveying device |
| CN105984801A (en) * | 2014-09-12 | 2016-10-05 | 东芝电梯株式会社 | Passenger conveyor |
| CN107662875A (en) * | 2016-07-29 | 2018-02-06 | 奥的斯电梯公司 | The step of passenger conveyor and the engagement prison of fishback detect |
| CN112088139A (en) * | 2018-05-28 | 2020-12-15 | 三菱电机大楼技术服务株式会社 | Passenger conveyor point inspection system for determining cycle time of handrail |
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| WO2022176010A1 (en) | 2022-08-25 |
| JP7311062B2 (en) | 2023-07-19 |
| JPWO2022176010A1 (en) | 2022-08-25 |
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