CN112660971B - Handrail belt safety detection device of escalator - Google Patents
Handrail belt safety detection device of escalator Download PDFInfo
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- CN112660971B CN112660971B CN202011536854.3A CN202011536854A CN112660971B CN 112660971 B CN112660971 B CN 112660971B CN 202011536854 A CN202011536854 A CN 202011536854A CN 112660971 B CN112660971 B CN 112660971B
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Abstract
The invention is suitable for the technical field of elevators and provides a handrail belt safety detection device of an escalator, which comprises two groups of handrail belt detection units and control units; each handrail belt detection unit comprises a plurality of bulges, touch pieces, pressure sensors and a timer, wherein the bulges and the touch pieces are arranged on the outer side of the handrail belt at equal intervals; the contact piece is used for contacting with the bulge when the escalator runs; the pressure sensor is used for acquiring touch pressure when the touch piece touches the bulge; the timer is used for acquiring a touch time point when the touch piece touches the bulge; the control unit is used for judging whether the handrail generates transverse deviation according to the magnitude of the touch pressure; and the control unit is used for acquiring the speed of the hand strap according to the touch time point and the distance between the protrusions, and the control unit is used for further judging whether the hand strap is abnormal according to the speeds at the two sides. The handrail belt safety detection device of the escalator has the advantages of simple structure, real-time monitoring, convenience in monitoring and low required cost.
Description
Technical Field
The invention belongs to the technical field of elevators, and particularly relates to a handrail safety detection device of an escalator.
Background
At present, with the further acceleration of the urbanization construction process in China, the escalators are more and more commonly used in daily life, and the escalators are generally installed in public places such as superstores, supermarkets, airports, subway stations and other places with concentrated passenger flow. The escalator is generally driven by a motor driving chain to drive steps to continuously and circularly convey passengers upwards or downwards, and whether the escalator can normally run upwards or downwards is important. Therefore, whether the escalator is safely operated or not is directly related to the life quality of people and even the life safety of passengers. In order to avoid the occurrence of accidents of the escalator, the escalator needs to be overhauled frequently. The existing detection device has a complex structure, needs to measure the elevator on site at regular intervals, wastes manpower and has high required cost.
Disclosure of Invention
The invention provides a handrail safety detection device of an escalator, which can effectively solve the problems.
The invention is realized in the following way:
a hand strap safety detection device of an escalator comprises two groups of hand strap detection units and control units;
each handrail belt detection unit comprises a plurality of bulges, touch pieces, pressure sensors and a timer, wherein the bulges are arranged on the outer side of the handrail belt at equal intervals; the contact piece is used for contacting with the bulge when the escalator runs; the pressure sensor is used for acquiring touch pressure when the touch piece touches the bulge; the timer is used for acquiring a touch time point when the touch piece touches the bulge;
The control unit is used for judging whether the hand strap generates transverse deviation according to the magnitude of the touch pressure; and the control unit is used for acquiring the speed of the hand strap according to the touch time point and the distance between the bulges, and the control unit is further used for judging whether the hand strap is abnormal according to the speeds at the two sides.
As a further improvement, the distance between any two adjacent bulges is 1-3 cm.
As a further improvement, the height of the protrusions is 0.5-2 cm.
As a further improvement, the outer side of the handrail belt is of a wavy structure, so that a plurality of bulges are formed.
As a further improvement, the touching piece is in including setting up U type mount pad, the setting of escalator's apron board inboard is in the U type mount pad and with the elastic mechanism that pressure sensor connects, and with U type mount pad open end swing joint and with the roll extrusion subassembly of elastic mechanism butt, pressure sensor sets up the bottom of U type mount pad, U type mount pad both sides all are equipped with the bar through-hole, elastic mechanism is including setting up the spring in U type mount pad.
As a further improvement, the detection device also comprises an alarm device which is in communication connection with the control unit.
As a further improvement, the control unit is further configured to determine whether an absolute value of a difference between the magnitude of the touch pressure and a standard touch pressure exceeds a first threshold and is lower than a second threshold; if so, judging that the hand strap generates transverse deviation, and controlling the alarm device to give an alarm to a manager to remind the manager to overhaul.
As a further improvement, the control unit is further configured to determine whether an absolute value of a difference between the magnitude of the touch pressure and a standard touch pressure exceeds the second threshold; and if so, controlling the alarm device to give an alarm to a manager and controlling the escalator to perform emergency braking.
The invention has the beneficial effects that: when the escalator runs, the touch piece touches the bulge, the pressure sensor acquires the touch pressure when the touch piece touches the bulge, and the timer acquires the touch time point when the touch piece touches the bulge; judging whether the hand strap generates transverse deviation according to the magnitude of the touch pressure through the control unit, acquiring the speed of the hand strap according to the touch time point and the distance between the protrusions through the control unit, and judging whether the hand strap is abnormal according to the speeds at the two sides; the device has the advantages of simple structure, real-time monitoring, convenient monitoring and low required cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a touch member and a pressure sensor according to an embodiment of the invention;
FIG. 2 is a left side view of a touch member according to an embodiment of the present invention;
fig. 3 is a positional relationship diagram of a handrail belt detection unit and a handrail belt according to an embodiment of the invention;
fig. 4 is another positional relationship diagram of a handrail belt detecting unit and a handrail belt provided by the embodiment of the invention;
fig. 5 is a schematic structural view of an escalator provided by the embodiment of the invention.
Reference numerals are as follows:
1-handrail belt; 2-bulge; 3-a touch member; 4-a pressure sensor; 5-apron board; 6-U-shaped mounting seats; 7-an elastic mechanism; 8-rolling the assembly; 9-strip-shaped through holes; 10-a spring; 11-tabletting; 12-a rotating shaft; 13-roller.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, the terms "and" second "are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "a" or "a second" can explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-5, the handrail belt safety detection device of the escalator comprises two groups of handrail belt 1 detection units and control units;
each handrail belt 1 detection unit comprises a plurality of bulges 2 which are arranged on the outer side of the handrail belt 1 at equal intervals, a touch piece 3, a pressure sensor 4 connected with the touch piece 3 and a timer connected with the pressure sensor 4; the touch piece 3 is used for touching the bulge 2 when the escalator runs; the pressure sensor 4 is used for acquiring the touch pressure when the touch piece 3 touches the bulge 2; the timer is used for acquiring a touch time point when the touch piece 3 touches the bulge 2;
the control unit is used for judging whether the handrail belt 1 generates transverse deviation according to the magnitude of the touch pressure; and the control unit is used for acquiring the speed of the hand strap 1 according to the touch time point and the distance between the bulges 2, and the control unit is further used for judging whether the hand strap 1 is abnormal or not according to the speeds at the two sides.
When the detection device is specifically implemented, the detection device further comprises a display screen in communication connection with the control unit and an alarm device in communication connection with the control unit. The pressure sensor 4 is arranged on the inner side of the apron plate 5 through a U-shaped mounting seat 6, and the timer and the pressure sensor 4 are in communication connection with the control unit; the touch piece 3 is used for touching the bulge 2 when the escalator runs; the pressure sensor 4 is used for acquiring the touch pressure when the touch piece 3 touches the bulge 2; the timer is used for acquiring a touch time point when the touch piece 3 touches the bulge 2; judging whether the hand strap 1 generates transverse deviation or not according to the magnitude of the touch pressure through a control unit, if the measured pressure on the hand strap 1 is different, indicating that the escalator is abnormal in operation, sending a deviation alarm to a manager through an alarm device, and processing by the manager according to the condition. When a plurality of bulges 2 which are arranged at the outer side of the handrail belt 1 at equal intervals are touched with the touch piece 3 when the escalator runs, the timer acquires touch time points according to the touch piece 3 and the bulges 2 when the touch piece 3 is touched; calculating the running speeds of the two hand straps 1 within a specified time; the two speeds are compared, if the speeds on the two hand straps 1 are different, the escalator is indicated to be abnormal in operation, the processing result is displayed on a display screen in communication connection with the control unit, a deviation alarm is sent to a manager through an alarm device, and the manager processes the deviation alarm according to the situation. The detection device has the advantages of simple structure, real-time monitoring, convenient monitoring and low required cost.
When the escalator runs, the touch piece 3 touches the bulge 2, the pressure sensor 4 acquires the touch pressure when the touch piece 3 touches the bulge 2, and the timer acquires the touch time point when the touch piece 3 touches the bulge 2; judging whether the hand strap 1 generates lateral deviation according to the magnitude of the touch pressure through the control unit, acquiring the speed of the hand strap 1 according to the touch time point and the distance between the bulges 2 through the control unit, and judging whether the hand strap 1 is abnormal according to the speeds at the two sides; the device has the advantages of simple structure, real-time monitoring, convenient monitoring and low required cost.
Further, the distance between any two adjacent protrusions 2 is 1-3 cm.
Further, the height of the protrusions 2 is 0.5-2 cm.
Further, the outer side of the handrail 1 is of a wave-shaped structure, thereby forming a plurality of protrusions 2.
When the method is specifically implemented, the minimum distance between any two protrusions 2 and the connection point of the handrail belt 1 ranges from 1 cm to 3cm, and the height of each protrusion 2 ranges from 0.5 cm to 2 cm; a plurality of bulges 2 which are arranged at the outer side of the handrail 1 at equal intervals form a wave shape which is in accordance with the size of fingers, so that the handrail is convenient for passengers to hold and the friction performance is improved; when the passenger took the staircase, often can place the hand on handrail area 1, improve the sense of security, at this moment, passenger's hand generally can be put on elevator direction of advance and lie in handrail area 1 of passenger's health side the place ahead, arch 2 can set up and be the slope structure, and its incline direction is staircase direction of advance, and the passenger of being convenient for holds up the staircase, and the increase friction improves the travelling comfort.
Further, touching piece 3 is in including setting up U type mount pad 6, the setting of 5 inboard of escalator's apron board are in U type mount pad 6 and with the elastic mechanism 7 that pressure sensor 4 is connected, and with 6 open end swing joint of U type mount pad and with the roll extrusion subassembly 8 of elastic mechanism 7 butt, pressure sensor 4 sets up the bottom of U type mount pad 6 both sides all are equipped with bar through-hole 9, elastic mechanism 7 is including setting up spring 10 in U type mount pad 6.
In specific implementation, the rolling assembly comprises a roller 13, the roller 13 is rotatably connected with the U-shaped mounting seat 6 through a rotating shaft 12, the elastic mechanism 7 further comprises a pressing sheet 11 arranged in the U-shaped mounting seat 6 and connected with the spring 10, and the pressing sheet 11 is located between the spring 10 and the roller 13; when the escalator runs, the roller 13 is in contact with the bulge 2, the roller 13 rotates and moves towards the bottom of the U-shaped mounting seat 6 along the strip-shaped through hole 9, and the pressing sheet 11 is extruded by the roller 13, so that the spring 10 deforms and transmits pressure to the pressure sensor 4.
Furthermore, the detection device also comprises an alarm device which is in communication connection with the control unit.
Further, the control unit is further configured to determine whether an absolute value of a difference between the magnitude of the touch pressure and a standard touch pressure exceeds a first threshold and is lower than a second threshold; if yes, judging that the hand strap 1 generates transverse deviation, and controlling the alarm device to give an alarm to an administrator to remind the administrator of overhauling.
Further, the control unit is further configured to determine whether an absolute value of a difference between the magnitude of the touch pressure and a standard touch pressure exceeds the second threshold; and if so, controlling the alarm device to give an alarm to a manager and controlling the escalator to perform emergency braking.
In the detection device, when the touch pressure on the handrail belt 1 is in the range of the standard touch pressure, the escalator is indicated to run normally; when the absolute value of the difference value between the touch pressure and the standard touch pressure exceeds a first threshold value and is lower than a second threshold value, controlling the alarm device to alarm an administrator to remind the administrator to overhaul; and when the absolute value of the difference value between the touch pressure and the standard touch pressure exceeds a second threshold value, controlling the alarm device to give an alarm to a manager and controlling the escalator to perform emergency braking. Defining the standard touch pressure as a, preferably, the first threshold is 0.05 a-0.15 a; the second threshold value is 0.2a to 0.3 a. In one embodiment, the first threshold is 0.1 a; the second threshold value is 0.2 a.
Meanwhile, when the speeds of the two hand straps 1 are the same, the escalator operates normally; when the speeds of the two hand straps 1 are different, if the absolute value of the speed difference exceeds a third threshold value and is lower than a fourth threshold value, the control unit controls the alarm device to alarm an administrator to remind the administrator of overhauling; if the absolute value of the speed difference exceeds a fourth threshold value; the alarm device is controlled by the control unit to alarm an administrator and control the escalator to be braked emergently. When the escalator is in operation, the escalator can, among other things,
the distance between any two bulges 2 on the handrail belt 1 is h, the specified time is t, and the touch numbers of the touch pieces 3 and the bulges 2 on the handrail belt 1 are respectively N1 and N2, then
And displaying the processing result on a display screen connected with the control unit, and judging whether the handrail belt 1 is abnormal according to the sizes of V1 and V2.
Further, the pressure sensor 4 and the touch member 3 adapted thereto are provided in plurality.
In specific implementation, the skirt panel 5 is provided with the plurality of pressure sensors 4 through the U-shaped mounting seat 6, the plurality of pressure sensors 4 are in communication connection with the control unit, and a plurality of groups of data can be obtained through the touch piece 3 within the same specified time, so that the working efficiency is improved; enabling the control unit to process a plurality of groups of monitoring data and calculating the average value of the monitoring data; the measurement precision is improved, and errors are reduced.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A handrail belt safety detection device of an escalator is characterized by comprising two groups of handrail belt detection units and control units;
each handrail belt detection unit comprises a plurality of bulges (2) which are arranged on the outer side of a handrail belt (1) at equal intervals, a touch piece (3), a pressure sensor (4) connected with the touch piece (3) and a timer connected with the pressure sensor (4); the touch piece (3) is used for touching the bulge (2) when the escalator is in operation; the pressure sensor (4) is used for acquiring touch pressure when the touch piece (3) touches the bulge (2); the timer is used for acquiring a touch time point when the touch piece (3) touches the bulge (2);
the control unit is used for judging whether the hand strap (1) generates transverse deviation according to the magnitude of the touch pressure; and the control unit is used for acquiring the speed of the hand strap (1) according to the touch time point and the distance between the bulges (2), and the control unit is further used for judging whether the hand strap (1) is abnormal or not according to the speeds at the two sides.
2. The escalator handrail safety detection device according to claim 1, characterized in that the distance between any two adjacent protrusions (2) is 1-3 cm.
3. The escalator handrail safety detection device according to claim 1, wherein the height of the protrusions (2) is 0.5-2 cm.
4. The escalator handrail safety detecting device according to claim 1, wherein the outer side of the handrail (1) is of a wave-like structure, thereby forming a plurality of protrusions (2).
5. The escalator handrail belt safety detection device according to claim 1, characterized in that the touch member (3) comprises a U-shaped mounting seat (6) disposed inside a skirt panel (5) of the escalator, an elastic mechanism (7) disposed in the U-shaped mounting seat (6) and connected to the pressure sensor (4), and a rolling assembly (8) movably connected to an open end of the U-shaped mounting seat (6) and abutted to the elastic mechanism (7), wherein the pressure sensor (4) is disposed at the bottom of the U-shaped mounting seat (6), strip-shaped through holes (9) are disposed at two sides of the U-shaped mounting seat (6), and the elastic mechanism (7) comprises a spring (10) disposed in the U-shaped mounting seat (6).
6. The escalator handrail safety detection device according to claim 1, further comprising an alarm device in communication with the control unit.
7. The escalator handrail safety detection device according to claim 6, wherein the control unit is further configured to determine whether an absolute value of a difference between the magnitude of the touch pressure and a standard touch pressure exceeds a first threshold and is lower than a second threshold; if yes, judging that the hand strap (1) generates transverse deviation, and controlling the alarm device to give an alarm to a manager to remind the manager to overhaul.
8. The escalator handrail safety detection device according to claim 7, wherein the control unit is further configured to determine whether an absolute value of a difference between the magnitude of the contact pressure and a standard contact pressure exceeds the second threshold; and if so, controlling the alarm device to give an alarm to a manager and controlling the escalator to perform emergency braking.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011536854.3A CN112660971B (en) | 2020-12-23 | 2020-12-23 | Handrail belt safety detection device of escalator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011536854.3A CN112660971B (en) | 2020-12-23 | 2020-12-23 | Handrail belt safety detection device of escalator |
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| CN112660971A CN112660971A (en) | 2021-04-16 |
| CN112660971B true CN112660971B (en) | 2022-05-24 |
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| JP2003040571A (en) * | 2001-07-26 | 2003-02-13 | Mitsubishi Electric Building Techno Service Co Ltd | Moving handrail monitoring device for escalator |
| CN1803566A (en) * | 2005-01-14 | 2006-07-19 | 东芝电梯株式会社 | Handrail driving apparatus of passenger conveyer |
| CN101804941A (en) * | 2010-04-30 | 2010-08-18 | 江南嘉捷电梯股份有限公司 | Hand strap guide device on escalator or travolater |
| CN102838034A (en) * | 2012-09-19 | 2012-12-26 | 苏州富士电梯有限公司 | Handrail strap speed measuring device of escalator or moving pavement |
| CN104276503A (en) * | 2014-11-05 | 2015-01-14 | 康力电梯股份有限公司 | Handrail speed measuring part |
| CN105600664A (en) * | 2014-11-20 | 2016-05-25 | 上海现代电梯制造有限公司 | Escalator handrail belt speed detection method |
| CN106185589A (en) * | 2016-08-29 | 2016-12-07 | 阮晖 | The test device and method of escalator/moving sidewalk handrails tape speed deviation protection |
| CN109019280A (en) * | 2018-08-16 | 2018-12-18 | 合肥工业大学 | Escalator operation quality determining method |
| CN110467099A (en) * | 2018-05-10 | 2019-11-19 | 东芝电梯株式会社 | Passenger conveyors |
| CN111268545A (en) * | 2020-01-16 | 2020-06-12 | 日立电梯（广州）自动扶梯有限公司 | Handrail area speed monitoring facilities and automatic running gear |
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2020
- 2020-12-23 CN CN202011536854.3A patent/CN112660971B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003040571A (en) * | 2001-07-26 | 2003-02-13 | Mitsubishi Electric Building Techno Service Co Ltd | Moving handrail monitoring device for escalator |
| CN1803566A (en) * | 2005-01-14 | 2006-07-19 | 东芝电梯株式会社 | Handrail driving apparatus of passenger conveyer |
| CN101804941A (en) * | 2010-04-30 | 2010-08-18 | 江南嘉捷电梯股份有限公司 | Hand strap guide device on escalator or travolater |
| CN102838034A (en) * | 2012-09-19 | 2012-12-26 | 苏州富士电梯有限公司 | Handrail strap speed measuring device of escalator or moving pavement |
| CN104276503A (en) * | 2014-11-05 | 2015-01-14 | 康力电梯股份有限公司 | Handrail speed measuring part |
| CN105600664A (en) * | 2014-11-20 | 2016-05-25 | 上海现代电梯制造有限公司 | Escalator handrail belt speed detection method |
| CN106185589A (en) * | 2016-08-29 | 2016-12-07 | 阮晖 | The test device and method of escalator/moving sidewalk handrails tape speed deviation protection |
| CN110467099A (en) * | 2018-05-10 | 2019-11-19 | 东芝电梯株式会社 | Passenger conveyors |
| CN109019280A (en) * | 2018-08-16 | 2018-12-18 | 合肥工业大学 | Escalator operation quality determining method |
| CN111268545A (en) * | 2020-01-16 | 2020-06-12 | 日立电梯（广州）自动扶梯有限公司 | Handrail area speed monitoring facilities and automatic running gear |
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