CN219669911U - Abnormal detection device for handrail belt of escalator or sidewalk - Google Patents
Abnormal detection device for handrail belt of escalator or sidewalk Download PDFInfo
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- CN219669911U CN219669911U CN202320618031.8U CN202320618031U CN219669911U CN 219669911 U CN219669911 U CN 219669911U CN 202320618031 U CN202320618031 U CN 202320618031U CN 219669911 U CN219669911 U CN 219669911U
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- 238000001514 detection method Methods 0.000 title claims abstract description 97
- 230000002159 abnormal effect Effects 0.000 title claims abstract description 17
- 238000004458 analytical method Methods 0.000 claims abstract description 15
- 238000003745 diagnosis Methods 0.000 claims abstract description 15
- 230000005611 electricity Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Escalators And Moving Walkways (AREA)
Abstract
The utility model discloses an abnormal handrail belt detection device of an escalator or a sidewalk, which comprises a handrail belt temperature detection sensor, an environment temperature detection sensor, an acquisition analysis diagnosis module and an escalator main control system which are electrically connected with each other, wherein the handrail belt temperature detection sensor and the environment temperature detection sensor are arranged on the inner side of a handrail belt, the handrail belt temperature detection sensor is perpendicular to the center of the inner side of the handrail belt, the environment temperature detection sensor is perpendicular to the handrail belt temperature detection sensor and is parallel to the running direction of the handrail belt, and the acquisition analysis diagnosis module is used for comparing the handrail belt temperature monitored by the handrail belt temperature detection sensor with the environment temperature monitored by the environment temperature detection sensor. According to the utility model, whether the handrail is abnormal or not is judged through the surface temperature of the handrail, so that the abnormal detection of the handrail is simply and conveniently realized, the handrail can be timely maintained, and the safety of the escalator is ensured.
Description
Technical Field
The utility model relates to the technical field of escalators, in particular to an abnormal handrail belt detection device for an escalator or a sidewalk.
Background
In recent years, urban rail transit rapidly develops, the demand for public transportation heavy-duty ladders is increasingly increased, and various elevator enterprises in China continuously absorb high technologies to develop new products, so that the manufacturing technology of the public transportation heavy-duty ladders in recent years is greatly improved. However, various escalator accidents in the society in recent years remind various elevator enterprises at all times, and the escalator industry can be sustainably developed in China only by keeping vigilance and paying high attention to safety performance for special equipment, such as a bus heavy-duty escalator, which runs for a long time.
The subway passenger flow is increasingly increased, the carrying load of the escalator is continuously increased, and although the carrying load is required when the escalator is purchased, the escalator runs at full load for a long time, the abrasion of the handrail belt aggravates the failure rate and the potential safety hazard of the escalator, and maintenance and replacement of the handrail belt are relatively inconvenient, and the handrail belt is in a sick running state and is not easy to find even before replacement. The bus heavy-duty ladder has high use frequency and long full-load running time, and if the handrail belt is excessively rubbed, the speed of the handrail belt is possibly mismatched with the speed of the steps, and passengers can fall down and other accidents caused by different speeds after holding the handrail belt.
Disclosure of Invention
Aiming at the technical problems, the utility model aims at: the device for detecting the abnormal handrail belt of the escalator or the sidewalk can timely find the abnormal handrail belt of the escalator and warn, and improves the safety of the escalator.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an unusual detection device in handrail area of staircase or pavement, includes handrail area temperature detection sensor, ambient temperature detection sensor, collection analysis diagnosis module and the staircase master control system of mutual electricity connection, handrail area temperature detection sensor, ambient temperature detection sensor install in the inboard of handrail area, handrail area temperature detection sensor perpendicular to handrail area's inboard center, ambient temperature detection sensor perpendicular to handrail area temperature detection sensor and parallel with the direction of operation of handrail area, collection analysis diagnosis module is used for comparing handrail area temperature that handrail area temperature detection sensor monitored and ambient temperature detection sensor monitored, gathers analysis diagnosis module and transmits the signal to staircase master control system when handrail area temperature and ambient temperature's difference exceeds the settlement threshold value, staircase master control system is used for sending early warning signal or stopping ladder fault warning according to the difference of signal.
Preferably, the detection end of the handrail temperature detection sensor is 5-20cm away from the inner side of the handrail.
Preferably, when the difference between the handrail temperature and the ambient temperature is within the normal range, the detection frequency of the handrail temperature detection sensor and the ambient temperature detection sensor is 10s once.
Preferably, the detection frequency is increased when the difference between the handrail temperature and the ambient temperature exceeds a set threshold value.
Preferably, the handrail temperature detection sensor includes a left handrail temperature detection sensor and a right handrail temperature detection sensor.
Preferably, a mounting piece is arranged on the inner side of the handrail belt, and a first mounting hole for mounting the ambient temperature detection sensor and a second mounting hole for mounting the handrail belt temperature detection sensor are arranged on the mounting piece.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the escalator or sidewalk handrail abnormal detection device comprises a handrail temperature detection sensor, an environment temperature detection sensor, an acquisition analysis diagnosis module and an escalator main control system which are electrically connected with each other, wherein the handrail temperature detection sensor and the environment temperature detection sensor are arranged on the inner side of a handrail, the acquisition analysis diagnosis module is used for comparing the handrail temperature monitored by the handrail temperature detection sensor with the environment temperature monitored by the environment temperature detection sensor, when the difference value of the handrail temperature and the environment temperature exceeds a set threshold value, the acquisition analysis diagnosis module transmits signals to the escalator main control system, and the escalator main control system is used for sending early warning signals or stopping fault warnings according to different signals, judging whether the handrail is abnormal or not through the handrail surface temperature, so that the abnormal detection of the handrail is simply and conveniently realized, the handrail can be maintained in time, the maintenance efficiency is improved, and the safety of the escalator is ensured.
Drawings
The technical scheme of the utility model is further described below with reference to the accompanying drawings:
fig. 1 is a schematic installation diagram of an abnormality detection device for a handrail of an escalator or a sidewalk according to the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a view in the direction B of FIG. 2;
fig. 4 is a schematic diagram of the working flow of the device for detecting the abnormal hand strap of the escalator or the sidewalk.
Wherein: 1. a handrail belt temperature detection sensor; 2. an ambient temperature detection sensor; 3. a mounting member; 31. installing a side plate; 32. a first mounting plate; 33. a second mounting plate; 4. an armrest belt.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
The utility model discloses an abnormal handrail detection device for an escalator or a sidewalk, which comprises a handrail temperature detection sensor 1, an environment temperature detection sensor 2, a collection, analysis and diagnosis module and an escalator main control system which are electrically connected with each other. The handrail temperature detection sensor 1 includes a left handrail temperature detection sensor and a right handrail temperature detection sensor, and performs perfect detection on the handrail 4 on both sides. As shown in fig. 2, the handrail temperature detection sensor 1 and the environmental temperature detection sensor 2 are installed on the inner side of the handrail 4, the handrail temperature detection sensor 1 is perpendicular to the center of the inner side of the handrail 4, the detection end of the handrail temperature detection sensor 1 is 5 cm to 20cm away from the inner side of the handrail 4, and the environmental temperature detection sensor 2 is perpendicular to the handrail temperature detection sensor 1 and parallel to the running direction of the handrail 4. The acquisition analysis diagnosis module is used for comparing the handrail temperature monitored by the handrail temperature detection sensor 1 with the environment temperature monitored by the environment temperature detection sensor 2, and when the difference value of the handrail temperature and the environment temperature exceeds a set threshold value, the acquisition analysis diagnosis module transmits signals to the escalator main control system, and the escalator main control system is used for sending out early warning signals or stop elevator fault warnings according to the difference of the signals.
The problem of the handrail belt 4 is analyzed, and the main failure is that the handrail belt 4 breaks, and the breaking reason is that the friction of the handrail belt 4 is overlarge and the handrail belt 4 breaks after a long time except the aging of the handrail belt 4. Therefore, a temperature monitoring method can be adopted, and after the friction is excessive for a long time, the surface temperature of the handrail belt 4 is raised. The handrail temperature detection sensor 1 and the environment temperature detection sensor 2 are used for monitoring the inner side surface of the handrail 4 and the environment temperature in real time, converting the monitored temperature into analog quantity to collect the analog quantity and comparing the handrail 4 temperature with the environment temperature, and when the temperature exceeds a set threshold value, the collection, analysis and diagnosis module is used for transmitting signals to the main control system of the escalator, and the escalator sends out early warning signals or stop fault warnings according to the difference of the signals. Meanwhile, signals are transmitted to a BAS monitoring room of an owner through an RS485 protocol, and information is timely sent to mobile phone short messages, APP and the like of maintenance personnel through an Internet of things board of an escalator, so that maintenance departments can effectively arrange maintenance time and period.
The data acquisition frequency of the sensor can be intelligently adjusted, when the difference value of the temperature of the handrail belt 4 and the ambient temperature is in a normal interval, the detection frequency of the handrail belt temperature detection sensor 1 and the ambient temperature detection sensor 2 is 10s once, and when the difference value of the handrail belt 4 and the ambient temperature exceeds a set threshold value, the detection frequency is increased, and the acquisition frequency of the corresponding sensor is increased, so that faults are accurately predicted.
As shown in fig. 2 and 3, the inner side of the handrail belt is connected with a mounting part 3, the mounting part 3 is a channel steel, the mounting part 3 comprises a mounting side plate 31, and a first mounting plate 32 and a second mounting plate 33 which are respectively perpendicular to two sides of the mounting side plate 31, the first mounting plate 32 is connected with an escalator, a first mounting hole for mounting the ambient temperature detection sensor 2 is formed in the mounting side plate 31, and a second mounting hole for mounting the handrail belt temperature detection sensor 1 is formed in the second mounting plate 33, so that the sensor is more firmly and reliably mounted, the sensor can be ensured to work for a long time between-20 ℃ and 100 ℃ and in the condition of blowing, raining and sun-drying, the measuring precision is kept, the service life is not less than 10 years, and the mounting position is convenient for maintenance and replacement.
The abnormal handrail belt detection device for the escalator or the sidewalk judges whether the handrail belt is abnormal or not through the temperature difference between the surface temperature of the handrail belt and the ambient temperature, simply and conveniently detects the abnormal handrail belt, can timely maintain the handrail belt, improves the maintenance efficiency, ensures the safety of the escalator, and improves the use experience of passengers.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.
Claims (6)
1. An abnormal detection device for a handrail belt of an escalator or a sidewalk, which is characterized in that: including handrail area temperature detection sensor, environment temperature detection sensor, collection analysis diagnosis module and the staircase master control system of mutual electricity connection, handrail area temperature detection sensor, environment temperature detection sensor install in the inboard of handrail area, handrail area temperature detection sensor perpendicular to handrail area's inboard center, environment temperature detection sensor perpendicular to handrail area temperature detection sensor and with the direction of travel parallel of handrail area, collection analysis diagnosis module is used for comparing handrail area temperature that handrail area temperature detection sensor monitored and the environment temperature that environment temperature detection sensor monitored, gathers analysis diagnosis module and transmits the signal to staircase master control system when handrail area temperature and environment temperature's difference exceeds the settlement threshold value, staircase master control system is used for sending early warning signal or stopping ladder fault warning according to the difference of signal.
2. The escalator or moving walkway handrail anomaly detection device of claim 1, wherein: the detection end of the handrail temperature detection sensor is 5 cm to 20cm away from the inner side of the handrail.
3. The escalator or moving walkway handrail anomaly detection device of claim 1, wherein: when the difference value between the handrail temperature and the ambient temperature is in the normal interval, the detection frequency of the handrail temperature detection sensor and the ambient temperature detection sensor is 10s once.
4. The escalator or moving walkway handrail anomaly detection device of claim 1, wherein: the detection frequency increases when the difference between the handrail temperature and the ambient temperature exceeds a set threshold.
5. The escalator or moving walkway handrail anomaly detection device of claim 1, wherein: the handrail temperature detection sensor comprises a left handrail temperature detection sensor and a right handrail temperature detection sensor.
6. The escalator or moving walkway handrail anomaly detection device of claim 1, wherein: the handrail belt is characterized in that a mounting piece is arranged on the inner side of the handrail belt, and a first mounting hole for mounting an ambient temperature detection sensor and a second mounting hole for mounting the handrail belt temperature detection sensor are formed in the mounting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320618031.8U CN219669911U (en) | 2023-03-27 | 2023-03-27 | Abnormal detection device for handrail belt of escalator or sidewalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320618031.8U CN219669911U (en) | 2023-03-27 | 2023-03-27 | Abnormal detection device for handrail belt of escalator or sidewalk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219669911U true CN219669911U (en) | 2023-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320618031.8U Active CN219669911U (en) | 2023-03-27 | 2023-03-27 | Abnormal detection device for handrail belt of escalator or sidewalk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219669911U (en) |
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2023
- 2023-03-27 CN CN202320618031.8U patent/CN219669911U/en active Active
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