CN211444677U - Detection equipment with deviation protection function for escalator handrail - Google Patents
Detection equipment with deviation protection function for escalator handrail Download PDFInfo
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- CN211444677U CN211444677U CN201921467839.0U CN201921467839U CN211444677U CN 211444677 U CN211444677 U CN 211444677U CN 201921467839 U CN201921467839 U CN 201921467839U CN 211444677 U CN211444677 U CN 211444677U
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Abstract
The utility model discloses a detection equipment of skew protect function in staircase handrail area, including the main control system and respectively with the speed measurement module and the current monitoring module that the main control system connects, through the speed that speed measurement module detected staircase step and handrail area and the operating current who detects the staircase motor, detect whether timely action is taken to the skew protection device in staircase handrail area, realized the automatic detection to the skew protection device in handrail area, convenient to use measures the accuracy.
Description
Technical Field
The utility model relates to a special equipment detects technical field, in particular to staircase handrail area skew protect function's check out test set.
Background
With the economic development, escalators and sidewalks are widely used in public places such as shopping malls, stations and office buildings, and are not separated from the lives of people. The deviation protection detection of the hand strap of the escalator and the sidewalk belongs to an important detection project, theoretically, the speed of the hand strap is kept consistent with the speed of a step, a pedal or an adhesive tape, but the speed of the hand strap is lower than the speed of the step, the pedal or the adhesive tape even if the hand strap is not installed in place due to excessive abrasion, extension of the hand strap, dirt on the inner side of the hand strap and the like, and the speed of the hand strap deviates from the speed of the step, the pedal or the adhesive tape. If the speed difference is too large, particularly when the handrail belt is too slow, the arms of the passenger are pulled backward and the passenger falls due to losing balance, thereby being injured. The handrail belt deviation protection device should stop the escalator or moving walkway when the handrail belt speed deviates from the actual speed deviation of the steps, pallets or adhesive tape by more than 15% of the handrail belt speed for a duration of 5 to 15 seconds. The traditional detection mode has the defects of inaccuracy, low automation degree and the like, and no corresponding special detection equipment exists in the current market, and the detection method belongs to the blank period of the detection means.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a detection equipment of the skew protect function in staircase handrail area, can conveniently accurately realize the detection to the skew protection device in handrail area.
The utility model provides a detection equipment of skew protect function in staircase handrail area, including the main control system and respectively with speed measurement module and current monitoring module that the main control system connects, current monitoring module is connected with the power cable of staircase motor for detect the operating current of staircase motor, speed measurement module including respectively with the first speed detecting element and the second speed detecting element that the main control system connects, first speed detecting element installs on the staircase step for detect the speed of staircase step, second speed detecting element installs on the handrail area, is used for detecting the speed in staircase handrail area.
Has the advantages that: the speed measuring module is used for detecting the speed of the escalator steps and the hand strap and detecting the working current of the escalator motor, and detecting whether the escalator hand strap deviation protection device acts in time, so that the automatic detection of the hand strap deviation protection device is realized, the use is convenient, and the measurement is accurate.
As a further improvement of the above scheme, the first speed detection unit includes a speed sensor, a vacuum chuck base and a first cable, the speed sensor is disposed on the vacuum chuck base, the speed sensor is connected to the control host through the first cable, and the second speed detection unit and the first speed detection unit have the same structure. The vacuum chuck base is used for installing a speed sensor, the use is convenient, and the speed sensor can detect the speed of the escalator steps and the handrail belt.
As a further improvement of the above scheme, the plug of the first cable is an aviation plug, and the first cable is connected with the control host through the aviation plug. The aviation plug is connected stably.
As a further improvement of the scheme, the speed sensor comprises a photoelectric rotary encoder and a roller, the roller is arranged on a rotating shaft of the photoelectric rotary encoder, the roller is in contact with the escalator step or the hand strap, and the photoelectric rotary encoder is arranged on the vacuum chuck base. The roller is abutted against the escalator steps or the handrail belt, and the photoelectric rotary encoder is driven to rotate by the rotating shaft when the roller rotates, so that the running speed of the escalator steps or the handrail belt is measured.
As a further improvement of the above scheme, the current monitoring module includes a second cable, one end of the second cable is provided with a current clamp, the current clamp is connected with a power cable of the escalator motor, and the other end of the second cable is connected with the control host. The current clamp collects the working current of the power cable and transmits the working current to the control host through the second cable and the aviation plug.
As a further improvement of the above scheme, the plug of the second cable is an aviation plug, and the second cable is connected with the control host through the aviation plug.
As a further improvement of the above scheme, the control host includes a box and a data processing unit disposed inside the box.
As a further improvement of the scheme, the data processing unit comprises a single chip microcomputer and a peripheral circuit thereof. The singlechip is used for realizing logic control.
As a further improvement of the above scheme, the control host further includes a touch screen, a connection socket, and a lithium battery connected to the data processing unit. The touch control panel can display data and control the control host, the lithium battery provides power for the control host, the lithium battery can work without being connected with the power, the use is convenient, and the connecting socket is used for connecting aviation plugs of the first cable and the second cable.
As a further improvement of the above solution, the control host further comprises a printer connected to the data processing unit. The measuring result can be printed quickly by connecting the printer, and the use is convenient and fast.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
fig. 1 is a schematic structural diagram of a detection device in a preferred embodiment of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, a detection device with an escalator handrail deviation protection function comprises a control host 1, and a speed measurement module 2 and a current monitoring module 3 respectively connected with the control host 1, wherein the current monitoring module 3 is connected with a power cable of an escalator motor 4 and used for detecting the working current of the escalator motor 4, the speed measurement module 2 comprises a first speed detection unit 21 and a second speed detection unit 22 respectively connected with the control host 1, the first speed detection unit 21 is installed on an escalator step and used for detecting the speed of the escalator step, and the second speed detection unit 22 is installed on a handrail belt and used for detecting the speed of the escalator handrail belt. The speed of the escalator steps and the hand strap and the working current of the escalator motor 4 are detected through the speed measuring module 2, whether the deviation protection device of the escalator hand strap acts in time or not is detected, automatic detection of the deviation protection device of the hand strap is achieved, use is convenient, and measurement is accurate.
Further, the first speed detection unit 21 includes a speed sensor 5, a vacuum chuck base and a first cable, the speed sensor 5 is disposed on the vacuum chuck base, the speed sensor 5 is connected with the control host 1 through the first cable, and the second speed detection unit 22 and the first speed detection unit 21 are identical in structure. The vacuum chuck base is used for installing a speed sensor 5, the use is convenient, and the speed sensor 5 can detect the speed of the escalator steps and the handrail belt. The plug of the first cable is an aviation plug, and the first cable is connected with the control host 1 through the aviation plug. The aviation plug is connected stably. The speed sensor 5 comprises a photoelectric rotary encoder and a roller, the roller is arranged on a rotating shaft of the photoelectric rotary encoder, the roller is in contact with the staircase steps or the hand strap, and the photoelectric rotary encoder is installed on the vacuum chuck base. The roller is abutted against the escalator step or the handrail belt, and the photoelectric rotary encoder is driven by the rotation of the roller to obtain a speed signal; meanwhile, a fixing plate of the photoelectric rotary encoder is fixedly connected with a vacuum chuck base through threads, and the vacuum chuck is adsorbed on an escalator apron plate or a glass wall to play a role in fixing; the photoelectric rotary encoder transmits speed signals through the led-out cable and the terminal aviation plug.
Further, the current monitoring module 3 comprises a second cable, one end of the second cable is provided with a current clamp, the current clamp is connected with a power cable of the escalator motor 4, and the other end of the second cable is connected with the control host 1. The current clamp collects the working current of the power cable and transmits the working current to the control host 1 through the second cable and the aviation plug. Specifically, the plug of the second cable is an aviation plug, and the second cable is connected with the control host 1 through the aviation plug.
Further, the control host 1 includes a box body, and a data processing unit and a lithium battery which are arranged inside the box body, and the data processing unit includes a single chip microcomputer and a peripheral circuit thereof. The single chip microcomputer is used for realizing logic control, the type and the specific design circuit of the single chip microcomputer are not limited, the lithium battery provides power for the control host 1, the lithium battery can work without being connected with the power, and the use is convenient; the superiors of box are the metal sheet, and this metal sheet is through fluting screw thread fixation electric capacity touch screen, connection socket and printer, and electric capacity touch screen, connection socket and printer all are connected with data processing unit, and the touch screen can show data and control host computer 1, and connection socket is used for connecting the aviation plug of first cable conductor and second cable conductor. The measuring result can be printed quickly by connecting the printer, and the use is convenient and fast.
When the detection equipment is used, the first speed detection unit 21 and the second speed detection unit 22 are respectively installed on a skirt board of an escalator step and a glass wall of a handrail belt through vacuum cup bases, a fixed plate of a photoelectric rotary encoder is fixedly connected with the vacuum cup bases through threads, rollers are installed on a rotating shaft of the photoelectric rotary encoder, and the rollers are respectively abutted against the step and the handrail belt. When the escalator operates, the step and the hand strap drive the speed idler wheel to rotate, the photoelectric rotary encoder measures a speed signal, and the speed signal is transmitted through the cable. Secondly, the current clamp of the current monitoring module 3 is clamped at the power cable inlet end of the escalator motor 4, current change signals are monitored in real time, and the current signals are transmitted through the cable. The cables of the two speed detection units and the current monitoring module 3 are all plugged into a connecting socket of the control host 1. The first speed detection unit 21 and the second speed detection unit 22 respectively measure speed signals V1 and V2 of steps and a hand strap, and the current monitoring module 3 detects a current signal I of a motor power cable in the control cabinet. When the handrail belt speed V2 is less than 15% than the step speed V1, starting to calculate the deviation time t; if the handrail belt deviation protection device is in action, the control host 1 receives the current change signal I. If the deviation time t is the time from the moment when the handrail speed V2 begins to be less than 15% of the step speed V1 to the moment when the handrail deviation protection device works, if the t is 5s to 15s, the handrail deviation protection is judged to be qualified, otherwise, the handrail deviation protection is not qualified.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.
Claims (10)
1. The utility model provides a detection equipment of deviation protect function of staircase handrail area which characterized in that includes: control host computer (1) and respectively with speed measuring module (2) and current monitoring module (3) that control host computer (1) is connected, current monitoring module (3) are connected with the power cable of staircase motor (4), speed measuring module (2) including respectively with first speed detecting element (21) and second speed detecting element (22) that control host computer (1) is connected, first speed detecting element (21) are installed on the staircase step for detect the speed of staircase step, second speed detecting element (22) are installed on handrail area for detect the speed of staircase handrail area.
2. The escalator handrail deviation protection function detection device according to claim 1, characterized in that: first speed detecting element (21) include speed sensor (5), vacuum chuck base and first cable conductor, speed sensor (5) set up on the vacuum chuck base, speed sensor (5) through first cable conductor with main control system (1) is connected, second speed detecting element (22) with the structure of first speed detecting element (21) is unanimous.
3. The escalator handrail deviation protection function detection device according to claim 2, characterized in that: the plug of the first cable is an aviation plug, and the first cable is connected with the control host (1) through the aviation plug.
4. The escalator handrail deviation protection function detection device according to claim 2, characterized in that: the speed sensor (5) comprises a photoelectric rotary encoder and rollers, the rollers are arranged on a rotating shaft of the photoelectric rotary encoder, the rollers are in contact with escalator steps or hand straps, and the photoelectric rotary encoder is installed on the vacuum chuck base.
5. The escalator handrail deviation protection function detection device according to claim 1, characterized in that: the current monitoring module (3) comprises a second cable, one end of the second cable is provided with a current clamp, the current clamp is connected with a power cable of the escalator motor (4), and the other end of the second cable is connected with the control host (1).
6. The escalator handrail deviation protection function detection device according to claim 5, characterized in that: the plug of the second cable is an aviation plug, and the second cable is connected with the control host (1) through the aviation plug.
7. The escalator handrail deviation protection function detection device according to claim 1, characterized in that: the control host (1) comprises a box body and a data processing unit arranged in the box body.
8. The escalator handrail deviation protection function detection device according to claim 7, characterized in that: the data processing unit comprises a single chip microcomputer and a peripheral circuit thereof.
9. The escalator handrail deviation protection function detection device according to claim 7, characterized in that: the control host (1) further comprises a touch screen, an aviation socket and a lithium battery, wherein the touch screen, the aviation socket and the lithium battery are connected with the data processing unit.
10. The escalator handrail deviation protection function detection device according to claim 7, characterized in that: the control host (1) further comprises a printer connected with the data processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921467839.0U CN211444677U (en) | 2019-09-03 | 2019-09-03 | Detection equipment with deviation protection function for escalator handrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921467839.0U CN211444677U (en) | 2019-09-03 | 2019-09-03 | Detection equipment with deviation protection function for escalator handrail |
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| Publication Number | Publication Date |
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| CN211444677U true CN211444677U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921467839.0U Active CN211444677U (en) | 2019-09-03 | 2019-09-03 | Detection equipment with deviation protection function for escalator handrail |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112320551A (en) * | 2020-11-13 | 2021-02-05 | 厦门市特种设备检验检测院 | Handrail speed deviation protection system |
| CN112525571A (en) * | 2020-11-16 | 2021-03-19 | 奥尔森（镇江）电气机械有限公司 | Sidewalk detection device applied to artificial intelligence |
-
2019
- 2019-09-03 CN CN201921467839.0U patent/CN211444677U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112320551A (en) * | 2020-11-13 | 2021-02-05 | 厦门市特种设备检验检测院 | Handrail speed deviation protection system |
| CN112320551B (en) * | 2020-11-13 | 2022-04-08 | 厦门市特种设备检验检测院 | Handrail speed deviation protection system |
| CN112525571A (en) * | 2020-11-16 | 2021-03-19 | 奥尔森（镇江）电气机械有限公司 | Sidewalk detection device applied to artificial intelligence |
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