CN203728384U - Escalator step deficiency detection device - Google Patents
Escalator step deficiency detection device Download PDFInfo
- Publication number
- CN203728384U CN203728384U CN201420038008.2U CN201420038008U CN203728384U CN 203728384 U CN203728384 U CN 203728384U CN 201420038008 U CN201420038008 U CN 201420038008U CN 203728384 U CN203728384 U CN 203728384U
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- sensor
- relay
- staircase
- detection device
- escalator
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Abstract
The utility model discloses an escalator step deficiency detection device which comprises at least two sensors and first relays. The first relays are in signal connection with all the sensors one by one and are driven by the corresponding sensors. The first relays are connected to a safety circuit in an escalator control system. The sensors are installed on an escalator linear segment guide rail, and the sensing end of each sensor is aligned with the motion trail of a step roller. The escalator step deficiency detection device is capable of effectively stopping an escalator, high in detection accuracy, high in universality, low in manufacturing cost, and capable of being applied to escalator transformation or escalator control system expansion.
Description
Technical field
The utility model relates to staircase detection field, particularly a kind of escalator step loss detection device.
Background technology
Escalator is applied in market, airport and subway station more and more.The Control System Design of escalator safety return circuit to ensure the safe operation of escalator, motor will be powered by safety return circuit, if safety return circuit disconnects, motor power-off, escalator is out of service.
Traditional staircase, generally do not have step deletion detecting device or using step deletion device as apolegamy parts.In staircase new national standard GB16899-2011, proposing escalator and moving sidewalk should be able to be by being installed in driving station or turning to device on station to detect the disappearance of step or pedal, and should before breach (being caused by step or pedal disappearance) occurs from fishback position, stop.Visible system remains very necessary to the monitoring of step.Install and use but need the extra staircase that increases step deletion detecting device dropping into, for example, due to standard configuration step loss detection program not in part control system (relay, PLC or frequency converter), if need monitor step, need the extra logic detection element (for example PLC or micro controller system) that increases, this logic detection element judges whether to occur step deletion by the pulse spacing of contrast detecting sensor, and this scheme commonality is not strong and cost of manufacture is high.If use mechanical element as step deletion detecting device, cannot avoid step and detecting device to collide the noise causing, and mechanical element complex structure, on the staircase that passes into use, rectify and improve difficulty larger.
Utility model content
The purpose of this utility model is to provide a kind of and does logical process without the control element such as frequency converter or PLC, in the time there is the situation of disappearance in step, energy actv. stop staircase, accuracy of detection is higher, high and the low cost of manufacture of commonality, can be applicable to the escalator step loss detection device that staircase transformation or staircase control system are expanded.
According to an aspect of the present utility model, a kind of escalator step loss detection device is provided, sensor is at least two, also comprise the first relay that connects and driven by corresponding sensor with each sensor signal one by one, the first relay is connected in the safety return circuit of staircase control system, and installation of sensors is on staircase linear portion guide rail and its induction end path of motion of aiming at step roller.
In some embodiments, can also comprise the second relay being driven by the first relay, the second relay is electrically connected formation control loop and is connected in the safety return circuit of staircase control system with multiple the first relays.
In some embodiments, the induction end of sensor can be aimed at the path of motion at step roller center.
In some embodiments, sensor can be two, and one of them installation of sensors is in the top of staircase linear portion, and another installation of sensors in staircase linear portion bottom.
In some embodiments, can also comprise the mounting bracket for adjusting sensor detection position, sensor is installed on respectively on staircase rectilinear end guide rail by mounting bracket.
In some embodiments, the first relay and the second relay can be miniature relay.
In some embodiments, sensor can be for detecting ultrasonic transduter, radar sensor, infradred sensor or the electromagnetic sensor of distance.
A kind of escalator step loss detection device of the utility model, the relay that comprises sensor and directly driven by sensor, installation of sensors is on staircase linear portion guide rail and its induction end path of motion of aiming at step roller.Because staircase Ti road system is the structure of a circulation closed, so in the process of staircase operation, the relative position between two steps remains unchanged.In the time that staircase does not occur that step is lost, multiple sensors will detect step roller simultaneously or can't detect step roller simultaneously.In the time there is step deletion in staircase, in multiple sensors, will there is one and can't detect step roller, the loop that the first relay now being driven by sensor forms will cut off staircase safety return circuit, thus it is out of service to trigger staircase.Do logical process without the control element such as frequency converter or PLC, in the time there is the situation of disappearance in step, stop staircase effectively, and this device uses sensor as detecting element, in having ensured accuracy of detection, avoid using mechanical element to detect when step and step collides the noise causing.Because this step deletion detecting device carries out logic judgement without function unit, realize in mode easily the monitoring that stair step is lost, be applicable to and any control system (for example relay, PLC or frequency converter), commonality is high, and energy actv. is applied to the transformation of electric system expansion or old system staircase.
Brief description of the drawings
Fig. 1 is the structure principle chart of a kind of escalator step loss detection device of a kind of embodiment of the utility model.
Fig. 2 is the structural representation of a kind of escalator step loss detection device shown in Fig. 1.
Fig. 3 is A place enlarged drawing in Fig. 2.
Fig. 4 is B place enlarged drawing in Fig. 2.
Fig. 5 is the structural representation that in Fig. 2, sensor coordinates with step roller.
Fig. 6 is the structural representation of mounting bracket in Fig. 2.
Wherein: 1-sensor; 2-the first relay; 3-the second relay; 4-mounting bracket; 5-staircase linear portion guide rail; 6-step roller; 7-step.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 has schematically shown according to the structure principle chart of a kind of escalator step loss detection device of a kind of embodiment of the present utility model.
As depicted in figs. 1 and 2, this escalator step loss detection device comprises sensor 1 and the first relay 2.In addition, also comprise the second relay 3 and mounting bracket 4.
As shown in Fig. 1,2,3,4 and 5, sensor 1 is installed on staircase linear portion guide rail 5, and the induction end of inductor 1 is aimed at the path of motion of step roller 6.The first relay 2 is connected in the safety return circuit of staircase control system, is connected one by one, and is driven by corresponding sensor 1 with sensor 1 signal.The second relay 3 is electrically connected formation control loop and is connected in the safety return circuit of staircase control system with multiple the first relays 2, and the second relay 3 is driven by the first relay 2.Sensor 1 is installed on staircase linear portion guide rail 5 by mounting bracket 4.
Sensor 1 is at least two, in the present embodiment, is two.
The first relay 2 is at least two, in the present embodiment, is two.
The second relay 3 can be one or more, need to select according to actual design, and in the present embodiment, be one.
The circuit connecting relation of the first relay 2 and the second relay 3 specifically as shown in Figure 1, connect by the normally closed contact in two the first relays 2, open contact series connection, then by above two series loop parallel drive the second relays 3.In circuit, be provided with the second relay 3 being driven by the first relay 2, can ensure that, in the time there is step deletion, the safety return circuit of staircase control system can be disconnected effectively, accuracy is higher.
The induction end of sensor 1 is aimed at the path of motion at the center of step roller 6.Specifically, while installation exactly, the induction end of sensor 1 is aimed at the center of step roller 6, has ensured that thus inductor 1 can detect step roller 6 effectively, has improved the stability that inductor 1 is worked.
A sensor 1 is installed on the top of staircase linear portion 5, and another is installed on staircase linear portion 5 bottom.Specifically, be just mounted in the as far as possible close driving station of sensor 1 on staircase linear portion 5, be arranged on the sensor 1 of staircase linear portion 5 lower ends as far as possible near turning to station.Make thus in the time there is step deletion, sensor 1 can detect in time.Improve the practicality of a kind of escalator step loss detection device of the utility model.
Mounting bracket 4 can be used for adjusting the detection position of sensor 1.Specifically, be exactly as shown in Figure 6, mounting bracket 4 is adjustable type support.Detect the position of step roller 6 by the setting angle capable of regulating sensor 1 of adjusting mounting bracket 4, can regulate according to actual needs thus the detection position of sensor 1, effectively ensure the accuracy of detection of sensor 1.
The first relay 2 and the second relay 3 are miniature relay, and miniature relay has long service life, the advantage of compact conformation, energy-conserving and environment-protective.
Sensor 1 can be for detecting ultrasonic transduter, radar sensor, infradred sensor or the electromagnetic sensor of distance.Can need to select according to actual design thus, improve the practicality of a kind of escalator step loss detection device of the utility model.
A kind of escalator step loss detection device of the utility model, in the time that escalator system powers on, sensor 1 is normally worked.Because staircase Ti road system is a kind of structure of circulation closed, so in the process of staircase operation, the relative position of two 7, steps remains unchanged.By adjusting the fixed position of mounting bracket 4, guaranteeing that, after the synchronism that two sensors 1 detects, checking system just can normally be worked.As shown in table 1 below, in the time that step 7 does not occur lacking, two sensors 1 will detect step roller 6 simultaneously or can't detect step roller 6 simultaneously.In the time there is step deletion in staircase, in two sensors 1, will only have one step roller 6 to be detected, the control loop that the first relay 2 now being driven by sensor 1 and the second relay 3 form will cut off staircase safety return circuit, thus it is out of service to trigger staircase.
Table 1 is the truth table of two sensors.
Table 1
| Sensor | 1 | 1 | 0 | 0 |
| Sensor | 1 | 0 | 1 | 0 |
| Step | Normally | Disappearance | Disappearance | Normally |
Above-described is only embodiments more of the present utility model.For the person of ordinary skill of the art, not departing under the prerequisite of the utility model creation design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (7)
1. an escalator step loss detection device, comprise sensor, it is characterized in that, described sensor is at least two, also comprise the first relay that connects and driven by corresponding sensor with described each sensor signal one by one, described the first relay is connected in the safety return circuit of staircase control system, and described installation of sensors is on described staircase linear portion guide rail and its induction end path of motion of aiming at step roller.
2. a kind of escalator step loss detection device according to claim 1, it is characterized in that, also comprise the second relay being driven by described the first relay, described the second relay is electrically connected formation control loop and is connected in the safety return circuit of staircase control system with multiple the first relays.
3. a kind of escalator step loss detection device according to claim 1, is characterized in that, the induction end of described sensor is aimed at the path of motion at step roller center.
4. a kind of escalator step loss detection device according to claim 1, is characterized in that, described sensor is two, and one of them installation of sensors is in the top of staircase linear portion, and another installation of sensors in staircase linear portion bottom.
5. a kind of escalator step loss detection device according to claim 1, is characterized in that, also comprises the mounting bracket for adjusting described sensor detection position, and described sensor is installed on respectively on described staircase rectilinear end guide rail by described mounting bracket.
6. a kind of escalator step loss detection device according to claim 2, is characterized in that, described the first relay and the second relay are miniature relay.
7. according to a kind of escalator step loss detection device described in claim 1-6 any one, it is characterized in that, described sensor is ultrasonic transduter, radar sensor, infradred sensor or the electromagnetic sensor that detects distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420038008.2U CN203728384U (en) | 2014-01-21 | 2014-01-21 | Escalator step deficiency detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420038008.2U CN203728384U (en) | 2014-01-21 | 2014-01-21 | Escalator step deficiency detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203728384U true CN203728384U (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420038008.2U Expired - Lifetime CN203728384U (en) | 2014-01-21 | 2014-01-21 | Escalator step deficiency detection device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106115447A (en) * | 2016-08-23 | 2016-11-16 | 顾德仁 | Automatic staircase control cabinet with electric signal simulator detects device |
| CN106744229A (en) * | 2016-11-30 | 2017-05-31 | 四川省特种设备检验研究院 | Escalator safety control system based on interdigital electrode |
| CN107662867A (en) * | 2016-07-29 | 2018-02-06 | 奥的斯电梯公司 | The step roller monitoring of passenger conveyor and maintenance operation monitored by personnel |
| CN108675100A (en) * | 2018-05-23 | 2018-10-19 | 上海爱登堡电梯集团股份有限公司 | Escalator with external step deletion monitoring device |
| CN110282531A (en) * | 2019-06-20 | 2019-09-27 | 苏州新达电扶梯部件有限公司 | A kind of escalator turns to section step and falls off detection device |
| CN110562835A (en) * | 2019-10-14 | 2019-12-13 | 重庆春林德奥电气有限公司 | Escalator control system |
| US10850947B2 (en) | 2018-07-27 | 2020-12-01 | Otis Elevator Company | Misalignment monitoring in a people conveyor |
-
2014
- 2014-01-21 CN CN201420038008.2U patent/CN203728384U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107662867A (en) * | 2016-07-29 | 2018-02-06 | 奥的斯电梯公司 | The step roller monitoring of passenger conveyor and maintenance operation monitored by personnel |
| CN106115447A (en) * | 2016-08-23 | 2016-11-16 | 顾德仁 | Automatic staircase control cabinet with electric signal simulator detects device |
| CN106744229A (en) * | 2016-11-30 | 2017-05-31 | 四川省特种设备检验研究院 | Escalator safety control system based on interdigital electrode |
| CN106744229B (en) * | 2016-11-30 | 2019-09-24 | 於浩 | Escalator safety control system based on interdigital electrode |
| CN108675100A (en) * | 2018-05-23 | 2018-10-19 | 上海爱登堡电梯集团股份有限公司 | Escalator with external step deletion monitoring device |
| US10850947B2 (en) | 2018-07-27 | 2020-12-01 | Otis Elevator Company | Misalignment monitoring in a people conveyor |
| CN110282531A (en) * | 2019-06-20 | 2019-09-27 | 苏州新达电扶梯部件有限公司 | A kind of escalator turns to section step and falls off detection device |
| CN110562835A (en) * | 2019-10-14 | 2019-12-13 | 重庆春林德奥电气有限公司 | Escalator control system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |