WO2020140420A1 - 电梯曳引钢带断绳检测装置、检测系统及检测方法 - Google Patents

电梯曳引钢带断绳检测装置、检测系统及检测方法 Download PDF

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Publication number
WO2020140420A1
WO2020140420A1 PCT/CN2019/097013 CN2019097013W WO2020140420A1 WO 2020140420 A1 WO2020140420 A1 WO 2020140420A1 CN 2019097013 W CN2019097013 W CN 2019097013W WO 2020140420 A1 WO2020140420 A1 WO 2020140420A1
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WO
WIPO (PCT)
Prior art keywords
output
steel belt
traction steel
rope
mounting hole
Prior art date
Application number
PCT/CN2019/097013
Other languages
English (en)
French (fr)
Inventor
颜绍军
张永生
杨小科
谢伟杰
Original Assignee
日立楼宇技术（广州）有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日立楼宇技术（广州）有限公司 filed Critical 日立楼宇技术（广州）有限公司
Priority to JP2020563656A priority Critical patent/JP7093424B2/ja
Priority to AU2019419075A priority patent/AU2019419075B2/en
Priority to KR1020207034365A priority patent/KR102602305B1/ko
Publication of WO2020140420A1 publication Critical patent/WO2020140420A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
    • B66B7/1207—Checking means
    • B66B7/1215—Checking means specially adapted for ropes or cables
    • B66B7/1223—Checking means specially adapted for ropes or cables by analysing electric variables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0018—Devices monitoring the operating condition of the elevator system
    • B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions

Definitions

  • the present application relates to the technical field of elevator safety monitoring, for example, to an elevator traction steel belt broken wire detection device, a detection system including the elevator traction steel belt detection device, and a detection method using the detection system for detection.
  • the elevator connects the car and the counterweight through the traction wire rope, and drives the car to move up and down depending on the friction between the wire rope and the traction sheave.
  • composite hoisting steel belts are used instead of steel ropes in the lifting devices of some elevators.
  • This type of composite traction steel belt is composed of a plurality of steel wire ropes wrapped with polyurethane material.
  • the multiple steel wire ropes are regularly arranged inside the polyurethane material.
  • the outer polyurethane material can play the role of rust and corrosion prevention, compared with the steel wire ropes in the related art.
  • the composite traction steel belt has higher safety factor, lighter weight and longer service life.
  • the composite traction steel belt is an important load-bearing component of the car, and it needs to be monitored during the entire life cycle of the elevator to avoid accidents.
  • the steel wire rope in the related art can be visually judged to judge the degree of wear and the risk of breakage of the steel wire rope, but after using the composite traction steel belt, the steel wire rope is wrapped and cannot be visually observed.
  • the present application provides a detection device and a detection system for a broken rope of an elevator traction steel belt.
  • the detection device and the detection system have a simple structure, and the detection is convenient and reliable.
  • the application also provides a detection method, which is easy to operate and the detection result is accurate and reliable.
  • An embodiment provides a rope breaking detection device for an elevator traction steel belt, including:
  • the output end connection assembly includes a first base and a circuit board provided on the first base.
  • the circuit board is provided with output springs matching the number of steel ropes in the traction steel belt.
  • a first mounting hole is provided on the base, and the first mounting hole is provided for inserting the first end of the traction steel belt, and the output spring and the end surface of the first end of the traction steel belt Abutting and electrically conducting with the steel wire rope; and a short-circuiting end connection assembly, including a second base and a short-circuiting spring connected to the second base, the number of the shorting springs and the output spring
  • the number of the sheets matches, and a second mounting hole is provided on the second base, the second mounting hole is provided for inserting the second end of the traction steel belt, and all of the short-circuited reeds
  • the first ends of are connected in series in sequence, and the second ends of all the short-circuited springs are in contact with the end faces of the second ends of the traction steel belts and are
  • An embodiment provides a detection system, which includes a monitoring module, a fault indicator, and the device for detecting a broken rope in an elevator traction steel belt.
  • the fault indicator is connected to the monitoring module, and the monitoring module is provided with at least A set of socket groups, each of the socket groups has an output socket that matches the number of steel ropes of the traction steel belt, the output socket and the circuit board on the rope rope detection device of the elevator traction steel belt
  • the output reeds are in one-to-one correspondence and are electrically connected.
  • An embodiment provides a detection method using the detection system.
  • the method includes: inputting an electrical signal to any output jack through a monitoring module; and detecting the current of the remaining output jack. If there is current in the output socket, it is determined that the wire rope corresponding to the output socket in the traction steel belt is not broken; if no current is detected in the output socket, it is determined that the traction steel belt and all The wire rope corresponding to the outlet socket is broken.
  • FIG. 1 is a schematic front view of an embodiment of an elevator hoisting steel belt broken rope detection device
  • FIG. 2 is a schematic cross-sectional view of an elevator hoisting steel belt broken rope detection device according to an embodiment
  • FIG. 3 is a three-dimensional structural schematic diagram of an output end connection assembly according to an embodiment
  • FIG. 5 is a schematic structural diagram of a first base according to an embodiment
  • FIG. 6 is a schematic structural diagram of a first cover plate according to an embodiment
  • FIG. 7 is a schematic perspective view of an embodiment of a short-circuit terminal connection assembly
  • FIG. 8 is a schematic perspective structural view of another embodiment of a short-circuited end connection assembly from another perspective
  • FIG. 9 is a schematic structural view of a second base according to an embodiment
  • FIG. 10 is a schematic structural diagram of a second cover plate according to an embodiment
  • FIG. 11 is an assembly diagram of a short-circuited reed and a reed seat plate according to an embodiment
  • FIG. 12 is a schematic structural diagram of a detection system according to an embodiment
  • FIG. 13 is a flowchart of a detection method according to an embodiment.
  • Short-circuited end connection assembly 21, second base; 211, second mounting hole; 212, second threaded hole; 213, second receiving slot; 22, reed seat plate; 23, shorted reed; 24. Second fastener; 25. Second cover plate; 26. Hot melt column; 27. Second limit protrusion;
  • connection should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or integrated ; It can be a mechanical connection or an electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the connection between two elements or the interaction between two elements.
  • connection can be a fixed connection, a detachable connection, or integrated ; It can be a mechanical connection or an electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the connection between two elements or the interaction between two elements.
  • the first feature “above” or “below” the second feature may include the direct contact of the first and second features, or may include the first and second features Not direct contact but contact through another feature between them.
  • the first feature is “above”, “above” and “above” the second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • the first feature is “below”, “below” and “below” the second feature includes that the first feature is directly below and obliquely below the second feature, or simply means that the first feature is less horizontal than the second feature.
  • this embodiment provides an elevator hoisting steel belt broken wire detection device, which includes an output end connection assembly 1 and a short connection end connection assembly 2, wherein the output end connection assembly 1 includes a first base A base 11 and a circuit board 12 provided on the first base 11, the circuit board 12 is connected with a number of output springs 13 matching the number of steel wires 31 in the traction steel belt 3, the first base 11 is provided with a first mounting hole 111, one end of the traction steel belt 3 is inserted into the first mounting hole 111, and the output reed 13 and the end surface of the traction steel belt 3 are exposed The steel wire rope 31 is pressed tightly, and the short-circuited end connection assembly 2 includes a second base 21 and a short-circuited spring leaf 23 connected to the second base 21, the number of the short-circuited spring leaf 23 and the output The number of the reeds 13 matches, and the second base 21 is provided with a second mounting hole 211, and the end of the traction steel belt 3 away from the
  • the traction steel belt 3 is used for wire breakage detection, and the detection operation is convenient and the detection accuracy is high; by connecting all the ends of the short-circuited springs 23 in series, the state of the wire rope 31 of the entire traction steel belt 3 can be realized in one assembly Detection, at the same time, it is easy to cooperate with the current detection, reduce the difficulty of detection, and improve the detection speed and accuracy.
  • the elevator traction steel belt broken rope detection device of this embodiment has a simple structure, and the detection is convenient and reliable.
  • the first base 11 is further provided with a first fastener 14 that presses the traction steel belt 3 into the first mounting hole 111.
  • the second base 21 is provided with a second fastener 24 that presses the traction steel belt 3 into the second mounting hole 211.
  • the positions of both ends of the traction steel belt 3 can be fixed to prevent the traction steel belt 3 from moving, thereby avoiding output
  • the reed 13 and the short-circuited reed 23 are separated from the traction steel belt 3 to ensure that the inspection work can be performed normally.
  • first fastener 14 and the second fastener 24 are provided at the same time. In other embodiments, only the first fastener 14 or only the second fastener 24 may be provided.
  • the first base 11 is provided with a first threaded hole 112 communicating with the first mounting hole 111
  • the first fastener 14 is the first A fastening screw
  • the first fastening screw is screwed into the first threaded hole 112.
  • the second base 21 is provided with a second threaded hole 212 communicating with the second mounting hole 211.
  • the second fastener 24 is a second fastening screw.
  • the second fastening screw is screwed into the second threaded hole 212.
  • first fastening screw and the second fastening screw abut on the outer surface of the traction steel belt 3.
  • the manner in which the first fastening screw and the second fastening screw fix the traction steel belt 3 is not limited to contact with the outer surface of the traction steel belt 3, and the first fastening screw and the second fastening screw may also be inserted To the inside of the traction steel belt 3, or the first fastening screw and the second fastening screw penetrate the traction steel belt 3.
  • the circuit board 12 is provided with an output socket 121, and the output socket 121 is in electrical communication with the output reed 13 through a conductive line provided in the circuit board 12.
  • the output socket 121 it is easy to integrate the circuit connecting the output springs 13, simplify the connection structure, and facilitate the operation.
  • the circuit board 12 is provided with a plug hole 122, and one end of the output reed 13 is plugged into the plug hole 122 and connected to the plug hole 122 welding.
  • the arrangement of the plug hole 122 can simplify the connection between the output spring 13 and the circuit board 12, and welding the output spring 13 in the plug hole 122 can prevent the poor connection between the output spring 13 and the circuit board 12. The situation ensures that the inspection work can be carried out smoothly.
  • the way of the plug hole 122 is more convenient for the installation and welding of the output reed 13, which can effectively prevent the output reed 13 from being displaced during the welding process and causing welding failure.
  • the circuit board 12 is not limited to the insertion hole 122, and a solder terminal can be directly led out of the circuit board 12, and one end of the output reed 13 can be soldered to the solder terminal. This structure can also achieve effective connection .
  • the first base 11 has a limiting surface 113.
  • the limiting surface 113 is located above the outlet end of the first mounting hole 111.
  • a limiting slot 114 is formed on the position plane 113 corresponding to the output reed 13, the non-end portion of the output reed 13 is inserted into the limiting slot 114, and the output reed 13 is away from the circuit board
  • One end of 12 extends to the outlet end of the first mounting hole 111.
  • the limiting groove 114 may not be provided, and an adhesive may be provided on the limiting surface 113 to bond the output reed 13 to a designated position.
  • the adhesive is made of a non-conductive material.
  • the output end connection assembly 1 further includes a plurality of pressing members 16 arranged at intervals on one side of the limiting surface 113, and the pressing members 16 are arranged to The output spring 13 is pressed against the limiting groove 114.
  • the output reed 13 can be compressed at a specified position.
  • the traction steel belt 3 When the traction steel belt 3 is installed in place, the traction steel belt 3 will press the end of the output spring 13 away from the circuit board 12, and press The restriction of the output member 13 by the tightening member 16 makes the output spring 13 reversely apply an elastic force to the traction steel belt 3, so that the traction steel belt 3 and the output spring 13 are pressed against each other.
  • the pressing member 16 may not be provided, and the output spring 13 may be pasted into the limiting groove 114 by using an adhesive. Using the viscosity of the adhesive, the position of the output spring 13 may be prevented from moving and the output spring may be guaranteed.
  • the sheet 13 has sufficient elastic force to be applied to the traction steel belt 3, so that the output spring 13 and the traction steel belt 3 are pressed against each other.
  • a first accommodating groove 115 is recessed on the first base 11 and located at the outlet end of the first mounting hole 111, the first accommodating groove 115 There is a first notch facing the outlet end of the first mounting hole 111, a first cover plate 15 for blocking the first notch is detachably provided at the first notch, and the pressing member 16
  • the first cover plate 15 is disposed on the side close to the output reed 13.
  • the first cover plate 15 is removed to expose the first accommodating groove 115, and then the output reed 13 is installed At the designated position, the first cover plate 15 is finally installed on the first receiving groove 115 to block the first receiving groove 115.
  • the first cover plate 15 can also shield and protect the output reed 13 to prevent external The components squeeze the output reed 13 to reduce the deformation and damage of the output reed 13, and also prevent dust from covering the side where the output reed 13 contacts the wire rope 31, which affects the contact effect.
  • the pressing member 16 is formed integrally with the first cover 15.
  • the pressing member 16 and the first cover plate 15 are integrally injection molded from plastic.
  • the first end of the first mounting hole 111 is provided with a first limiting protrusion 17 that limits the insertion depth of the traction steel band 3.
  • the first limiting protrusion 17 is protruded on the groove wall of the first accommodating groove 115, and the position of the first limiting protrusion 17 corresponds to the position between two adjacent steel wires 31.
  • the first limit protrusion 17 when the traction steel belt 3 is inserted into the first mounting hole 111 until the end of the traction steel belt 3 abuts the first limit protrusion 17, it indicates that the output spring 13 is in contact Tightening the end surface of the traction steel belt 3, the first limiting protrusion 17 can protect the output reed 13 and reduce the impact of the traction steel belt 3 on the output spring 13.
  • the circuit board 12 is fixed on the first base 11 by screws.
  • the second base 21 is connected with a reed seat plate 22, and all one ends of the short-circuited reeds 23 are connected in series through the reed seat plate 22.
  • the reed seat plate 22 By providing the reed seat plate 22, all the short-circuited reeds 23 can be connected as a whole, which is convenient for installation.
  • the second base 21 is provided with a second accommodating groove 213, the second accommodating groove 213 has an outlet end that is aligned with the second mounting hole 211 A pair of second notches, a second cover plate 25 is detachably provided at the second notch, and the second cover plate 25 encapsulates the reed seat plate 22 and the short-circuited reed 23 in Said inside the second accommodating groove 213.
  • the second accommodating groove 213 and the second cover plate 25 By providing the second accommodating groove 213 and the second cover plate 25, the installation of the short-circuit spring 23 can be facilitated.
  • the second cover plate 25 is removed to expose the second accommodating groove 213, and then the short-circuit spring plate 23 and the reed seat plate 22 are installed at the designated position, and finally the second cover plate 25 is installed on the second accommodating groove 213, the second accommodating groove 213 is blocked, and the second cover plate 25 can also short the reed 23 for shielding and protection, to prevent external components from squeezing the shorting reed 23, reducing the deformation and damage of the shorting reed 23, in addition to preventing dust from covering the side of the shorting reed 23 in contact with the wire rope 31, affecting Contact effect.
  • the second accommodating groove 213 has a mounting surface opposite to the second notch, the mounting surface is located above the outlet end of the second mounting hole 211, A hot-melt column 26 is protruded on the mounting surface, and a through hole is opened in the reed seat plate 22, and the hot-melt column 26 passes through the through hole and can be used to heat the reed seat
  • the board 22 is fixed in the second receiving groove 213.
  • the connection structure of the hot-melt column 26 can reduce the number of connecting parts and reduce the manufacturing cost.
  • connection of the hot-melt column 26 after hot melting is more reliable, which effectively prevents the reed seat plate 22 from loosening, thereby preventing the shorting of the reed 23 Poor contact with the traction steel belt 3 due to looseness.
  • the outlet end of the second mounting hole 211 is provided with a second limiting protrusion 27 that limits the insertion depth of the traction steel band 3.
  • a second limiting protrusion 27 limits the insertion depth of the traction steel band 3.
  • first limiting protrusion 17 and the second limiting protrusion 27 are provided at the same time. In other embodiments, only the first limiting protrusion 17 or only the second limiting protrusion 27 may be provided .
  • the first cover plate 15 is snap-fitted to the first base 11
  • the second cover plate 25 is snap-fitted to the second base 21.
  • the snap connection method can reduce the difficulty of disassembling the first cover plate 15 and the second cover plate 25.
  • this embodiment also provides a detection system, which includes the above-mentioned elevator traction steel belt broken wire detection device, and further includes a monitoring module 4 and a fault indicator 6, the fault indicator 6 and the monitoring module 4 connection, the monitoring module 4 is provided with at least one set of socket groups, each of the socket groups has an output end socket that matches the number of steel ropes 31 of the traction steel belt 3, and the output end socket is The output reeds 13 on the circuit board 12 of the elevator hoisting steel belt broken wire detection device are in electrical communication with each other.
  • the fault indicator 6 is an indicator light, and may also be a digital tube, a liquid crystal screen, or the like.
  • the monitoring module 4 is further provided with a test switch 5 for monitoring whether the monitoring module 4 is normal.
  • the test switch 5 is set to check whether the monitoring module 4 works normally when the elevator is maintained. When the test switch 5 is disconnected, the external wire rope 31 can be simulated to break. The system detects that the test circuit is unavailable and displays the corresponding alarm message, indicating that The monitoring module 4 works normally; if the test switch 5 is turned off, the monitoring module 4 does not give the corresponding alarm information, indicating that the monitoring module 4 may be faulty and needs to be repaired or replaced in time to avoid the monitoring module 4 from being unable to be effective in time when the wire rope 31 breaks Ground alarm.
  • FIG. 13 shows a flowchart of a detection method in this embodiment, including the following steps:
  • the remaining current of the output socket is detected, and if a current is detected in the output socket, it is determined that the wire rope 31 corresponding to the output socket in the traction steel strip 3 is not broken; if not detected When there is current to the output socket, it is determined that the steel wire rope 31 corresponding to the output socket in the traction steel strip 3 is broken.
  • the A end of the traction steel belt 3 is a short-circuited end
  • the B end of the traction steel belt 3 is an output end.
  • the terminal is provided with n terminals in sequence, which are terminal A1, terminal A2, terminal A3, terminal A4, ..., terminal An
  • terminal B are sequentially provided with n terminals, which are terminal B1 , End B2, end B3, end B4, ..., end Bn, at the A end of the traction steel belt 3, all the steel wire ropes 31 are shorted together by shorting springs 23, electrically At the B end of the traction steel belt 3, all the wire ropes 31 are electrically connected to the output end socket on the monitoring module 4 through the output reed 13 and can be independently input and output electrically, and there is no direct Electrical connections.
  • an elevator will have multiple (N) traction steel belts 3, correspondingly, N socket groups are reserved on the monitoring module 4, and the N socket groups are respectively connected to the N ends of the corresponding B ends of the traction steel belt 3 End connection.
  • test principle is as follows: For example, an electrical signal is input to terminal B1, and the current of terminal B2 is detected at the same time. Under normal circumstances, the current will pass through the circuit formed by terminal B1-terminal A1-terminal A2-terminal B2. The current at the end B2 can be detected, indicating that the first and second wire ropes 31 are not broken; if the current at the end B2 is not detected, then the first or second wire rope 31 is broken; At this time, the current of the terminal B3 is detected. Under normal circumstances, the current will pass through the circuit formed by the terminal B1-terminal A1-terminal A3-terminal B3.
  • the first root The steel wire rope 31 is not broken, and the second steel wire rope 31 is broken. If the current at the end B3 cannot be detected, it means that the first steel wire rope 31 is broken, and the second steel wire rope 31 is not broken.
  • detecting the current of the terminal B3 is only an example. In other embodiments, any one of the terminal B4, the terminal B5, and the terminal Bn may be selected for detection. That is, when it is found that the currents of the two endpoints under test do not form a normal loop, it is necessary to test the other endpoints other than these two points at this time to confirm the specific position of the broken rope.
  • the rest of the testing of the steel wire ropes 31 is also carried out by analogy, and the collocation test is carried out according to a preset period.
  • This detection method adopts a unique current detection method, which can quickly and accurately detect whether the wire rope 31 is broken, which improves the detection efficiency and accuracy, and the fault indicator 6 of the detection system can intuitively display which wire rope 31 Rope break, that is, the broken state of the wire rope 31 can be visually displayed, which is convenient for the operator to identify and later repair and replace; in addition, even if this detection system detects that one of the wire ropes 31 is broken, it will not affect the other wire ropes 31 For detection, the status of all the steel ropes 31 can be detected in order; the monitoring module 4 of the detection system has a self-checking function, which can ensure the long-term stable operation of the system.

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  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

一种电梯曳引钢带断绳检测装置，包括：输出端连接组件（1），其包括第一基座（11）和设于第一基座（11）上的电路板（12），电路板（12）设有数量与曳引钢带（3）内的钢丝绳（31）数量匹配的输出簧片（13），第一基座（11）上设有第一安装孔（111），第一安装孔（111）设置为供曳引钢带（3）的第一端插入，输出簧片（13）与曳引钢带（3）的第一端的端面抵接并与钢丝绳（31）电导通；短接端连接组件（2），包括第二基座（21）和与第二基座（21）连接的短接簧片（23），短接簧片（23）的数量与输出簧片（13）的数量相匹配，第二基座（21）上设有第二安装孔（211），第二安装孔（211）设置为供曳引钢带（3）的第二端插入，且所有短接簧片（23）的第一端依次串联，所有短接簧片（23）的第二端与曳引钢带（3）的第二端的端面抵接并与钢丝绳（31）电导通；还包括相应的检测系统和检测方法。

Description

电梯曳引钢带断绳检测装置、检测系统及检测方法
本申请要求申请日为2019年1月2日、申请号为201910001714.7的中国专利申请的优先权，该申请的全部内容通过引用结合在本申请中。
技术领域
本申请涉及电梯安全监测技术领域，例如涉及一种电梯曳引钢带断绳检测装置、包含此电梯曳引钢带检测装置的检测系统以及利用此检测系统进行检测的检测方法。
背景技术
相关技术中，电梯通过曳引钢丝绳来连接轿厢和对重块，依靠钢丝绳与曳引轮的摩擦力驱动轿厢升降。随着材料技术的发展，在部分电梯的提升装置中采用复合曳引钢带代替钢丝绳。这类复合曳引钢带由聚氨酯材料包裹多根钢丝绳组成，多根钢丝绳在聚氨酯材料内部规则排列，外层的聚氨酯材料能够起到防锈防腐蚀的作用，相对于相关技术中的钢丝绳而言，复合曳引钢带安全系数更高，重量更轻，使用寿命更长。但复合曳引钢带作为轿厢重要的承重部件，在电梯的全生命周期都需要进行监控，避免事故发生。相关技术中的钢丝绳可以目测判断钢丝绳的磨损程度及断裂风险，但采用复合曳引钢带后，钢丝绳被包裹无法直观观察。
发明内容
本申请提供了一种电梯曳引钢带断绳检测装置和检测系统，该检测装置和检测系统结构简单，检测方便可靠。
本申请还提供了一种检测方法，该检测方法操作简便，检测结果准确可靠。
一实施例提供了一种电梯曳引钢带断绳检测装置，包括：
输出端连接组件，包括第一基座和设于所述第一基座上的电路板，所述电路板设有数量与曳引钢带内的钢丝绳数量匹配的输出簧片，所述第一基座上设有第一安装孔，所述第一安装孔设置为供所述曳引钢带的第一端插入，且所述输出簧片与所述曳引钢带的第一端的端面抵接并与所述钢丝绳电导通；及短接端连接组件，包括第二基座和与所述第二基座连接的短接簧片，所述短接簧片的数量与所述输出簧片的数量相匹配，所述第二基座上设有第二安装孔，所述 第二安装孔设置为供所述曳引钢带的第二端插入，且所有的所述短接簧片的第一端依次串联，所有所述短接簧片的第二端与所述曳引钢带的第二端的端面抵接并与所述钢丝绳电导通。
一实施例提供了一种检测系统，包括监控模块、故障指示器及所述电梯曳引钢带断绳检测装置，所述故障指示器与所述监控模块连接，所述监控模块上设有至少一组插口组，每组所述插口组具有与所述曳引钢带的钢丝绳数量匹配的输出端插口，所述输出端插口与所述电梯曳引钢带断绳检测装置的电路板上的输出簧片一一对应并电连通。
一实施例提供了一种检测方法，采用所述的检测系统，所述方法包括：通过监控模块向任意一个输出端插口输入一个电信号；及检测剩余的输出端插口的电流，若检测到所述输出端插口中存在电流，则判定曳引钢带内与所述输出端插口对应的钢丝绳未断裂；若未检测到所述输出端插口存在电流，则判定所述曳引钢带内与所述输出端插口对应的所述钢丝绳断裂。
附图说明
图1为一实施例的电梯曳引钢带断绳检测装置的主视示意图；
图2为一实施例的电梯曳引钢带断绳检测装置的剖视示意图；
图3为一实施例的输出端连接组件的立体结构示意图；
图4为一实施例的输出端连接组件的另一视角的立体结构示意图；
图5为一实施例的第一基座的结构示意图；
图6为一实施例的第一盖板的结构示意图；
图7为一实施例的短接端连接组件的立体结构示意图；
图8为一实施例的短接端连接组件的另一视角的立体结构示意图；
图9为一实施例的第二基座的结构示意图；
图10为一实施例的第二盖板的结构示意图；
图11为一实施例的短接簧片与簧片座板的组装示意图；
图12为一实施例的检测系统的结构示意图；
图13为一实施例的检测方法的流程图。
图中：
1、输出端连接组件；11、第一基座；111、第一安装孔；112、第一螺纹孔；113、限位面；114、限位槽；115、第一容纳槽；12、电路板；121、输出插座；122、插接孔；13、输出簧片；14、第一紧固件；15、第一盖板；16、压紧件； 17、第一限位凸起；
2、短接端连接组件；21、第二基座；211、第二安装孔；212、第二螺纹孔；213、第二容纳槽；22、簧片座板；23、短接簧片；24、第二紧固件；25、第二盖板；26、热熔柱；27、第二限位凸起；
3、曳引钢带；31、钢丝绳；
4、监控模块；5、测试开关；6、故障指示器。
具体实施方式
在本申请的描述中，除非另有明确的规定和限定，术语“相连”、“连接”、“固定”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
在本申请中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
如图1至图11所示，本实施例提供一种电梯曳引钢带断绳检测装置，包括输出端连接组件1和短接端连接组件2，其中，输出端连接组件1包括第一基座11和设于所述第一基座11上的电路板12，所述电路板12连接有数量与曳引钢带3内的钢丝绳31数量匹配的输出簧片13，所述第一基座11上设有第一安装孔111，所述曳引钢带3的一端插入至所述第一安装孔111内，且所述输出簧片13与所述曳引钢带3的端部端面外露的所述钢丝绳31抵紧，短接端连接组件2包括第二基座21和与所述第二基座21连接的短接簧片23，所述短接簧片23的数量与所述输出簧片13的数量相匹配，所述第二基座21上设有第二安装孔211，所述曳引钢带3远离所述输出簧片13的一端插入至所述第二安装孔211内，且每个所述短接簧片23的第一端串联在一起，每个所述短接簧片23的第二端与所述曳引钢带3的端部端面外露的所述钢丝绳31抵紧。通过将输出簧片13和短接簧片23分别与曳引钢带3 的两端端面抵接，并与对应钢丝绳31实现电导通，可以在不破坏曳引钢带3的前提下对曳引钢带3内的钢丝绳31进行断绳检测，检测操作方便，检测精度高；通过将所有短接簧片23的一端串联，可以实现一次组装即可对整个曳引钢带3的钢丝绳31状态进行检测，同时也便于配合实现电流检测，降低检测难度，提升检测速度和精度。对比相关技术，本实施例的电梯曳引钢带断绳检测装置结构简单，检测方便可靠。
一实施例中，如图4所示，所述第一基座11上还设置有将所述曳引钢带3抵紧在所述第一安装孔111内的第一紧固件14。如图8所示，所述第二基座21上设置有将所述曳引钢带3抵紧在第二安装孔211内的第二紧固件24。结合图4、图8及图2，通过设置第一紧固件14和第二紧固件24，可以将曳引钢带3的两端的位置固定，防止曳引钢带3移动，进而避免输出簧片13和短接簧片23与曳引钢带3分离，保证检测工作能够正常进行。
本实施例中，同时设置了第一紧固件14和第二紧固件24，在其他实施例中，可以只设置第一紧固件14或者只设置第二紧固件24。
在本实施例中，如图3至图6所示，所述第一基座11上开设有连通所述第一安装孔111的第一螺纹孔112，所述第一紧固件14为第一紧固螺钉，所述第一紧固螺钉旋接在所述第一螺纹孔112内。如图8和图9所示，所述第二基座21上开设有连通所述第二安装孔211的第二螺纹孔212，所述第二紧固件24为第二紧固螺钉，所述第二紧固螺钉旋接在所述第二螺纹孔212内。螺纹孔配合紧固螺钉的结构，便于对曳引钢带3进行固定，只需要简单的旋拧操作即可实现固定，简化了固定结构。
在一实施例中，所述第一紧固螺钉和第二紧固螺钉抵接在所述曳引钢带3的外表面。第一紧固螺钉和第二紧固螺钉固定曳引钢带3的方式不限于抵接在曳引钢带3的外表面，还可以将所述第一紧固螺钉和第二紧固螺钉插入至所述曳引钢带3内部，或者将所述第一紧固螺钉和第二紧固螺钉贯穿所述曳引钢带3。
一实施例中，如图3所示，所述电路板12上设有输出插座121，所述输出插座121通过设于所述电路板12内的导电线路与所述输出簧片13电连通。通过设置输出插座121，可便于集成连接各个输出簧片13的线路，简化连接结构，便于操作。
一实施例中，如图3所示，所述电路板12上开设有插接孔122，所述输出簧片13的一端插接至所述插接孔122内并与所述插接孔122焊接。插接孔122的设置 可以简化输出簧片13与电路板12的连接，而将输出簧片13焊接在此插接孔122内，可以防止输出簧片13与电路板12之间出现连接不良的情况，保证检测工作能够顺畅进行，同时，插接孔122的方式更便于输出簧片13的安装和焊接，可有效防止输出簧片13焊接过程中发生移位而发生焊接失效的情况。
在其他实施例中，电路板12上不限于开设插接孔122，还可以直接在电路板12上引出焊接端子，将输出簧片13的一端与此焊接端子焊接，此结构也能实现有效连接。
一实施例中，如图3-图5所示，所述第一基座11内具有限位面113，所述限位面113位于所述第一安装孔111的出口端的上方，所述限位面113上对应所述输出簧片13开设有限位槽114，所述输出簧片13的非端部位置插接在所述限位槽114内，所述输出簧片13远离所述电路板12的一端延伸至所述第一安装孔111的出口端。通过设置限位面113，可以利用限位面113上的限位槽114限制输出簧片13的位置，保证输出簧片13能够实时地保持与曳引钢带3内对应的钢丝绳31位置对应。
在其他实施例中，还可以不设置限位槽114，而选择在限位面113上设置粘胶剂，将输出簧片13粘接在指定位置，粘胶剂由不导电材料制成。
参照图1、图4和图6所示，所述输出端连接组件1还包括间隔设置在所述限位面113的一侧的多个压紧件16，压紧件16设置为将所述输出簧片13抵紧在所述限位槽114内。通过设置压紧件16，可以将输出簧片13压紧在指定位置，当曳引钢带3安装到位后，曳引钢带3会挤压输出簧片13远离电路板12的一端，而压紧件16对输出簧片13的限制，使得输出簧片13反向施加给曳引钢带3弹力，使得曳引钢带3和输出簧片13相互抵紧。
在一实施例中，可以不设置压紧件16，采用粘胶剂将输出簧片13粘贴在限位槽114内，利用粘胶剂的粘性，防止输出簧片13发生位置移动，保证输出簧片13有足够的弹力施加给曳引钢带3，使得输出簧片13和曳引钢带3实现抵紧。
一实施例中，如图5和图6所示，所述第一基座11上并位于所述第一安装孔111的出口端凹设有第一容纳槽115，所述第一容纳槽115具有正对所述第一安装孔111的出口端的第一槽口，所述第一槽口处可拆卸设置有封堵所述第一槽口的第一盖板15，所述压紧件16设于所述第一盖板15靠近所述输出簧片13的一侧。通过设置第一容纳槽115和第一盖板15，可以便于输出簧片13的安装，安装时，将第一盖板15拆下，外露出第一容纳槽115，再将输出簧片13安装在指定位置， 最后将第一盖板15安装在第一容纳槽115上，对第一容纳槽115进行封堵，第一盖板15还可以对输出簧片13进行遮挡和保护，防止外部的部件挤压输出簧片13，减少输出簧片13的变形和损坏，另外还可以防止灰尘覆盖在输出簧片13与钢丝绳31接触的侧面上，影响接触效果。
在本实施例中，压紧件16与第一盖板15一体制作成型。在一实施例中，压紧件16和第一盖板15采用塑料一体注塑成型。
在一实施例中，如图1和图5所示，所述第一安装孔111的出口端设有限制所述曳引钢带3的插入深度的第一限位凸起17。第一限位凸起17凸设在第一容纳槽115的槽壁上，第一限位凸起17的位置对应相邻两个钢丝绳31之间的位置。通过设置第一限位凸起17，当曳引钢带3插入至第一安装孔111内直至曳引钢带3的端部抵接第一限位凸起17时，表明输出簧片13抵紧了曳引钢带3的端部端面，第一限位凸起17可保护输出簧片13，减少曳引钢带3对输出簧片13的冲击。
在一实施例中，电路板12通过螺钉固定在第一基座11上。
一实施例中，如图7至图11所示，所述第二基座21上连接有簧片座板22，所有的所述短接簧片23的一端通过簧片座板22串联。通过设置簧片座板22，可以将所有的短接簧片23连接为一个整体，便于安装。
在一实施例中，如图7和图8所示，所述第二基座21上设有第二容纳槽213，所述第二容纳槽213具有与所述第二安装孔211的出口端正对的第二槽口，所述第二槽口处可拆卸设置有第二盖板25，所述第二盖板25将所述簧片座板22和所述短接簧片23封装在所述第二容纳槽213内。通过设置第二容纳槽213和第二盖板25，可以便于短接簧片23的安装，安装时，将第二盖板25拆下，外露出第二容纳槽213，再将短接簧片23和簧片座板22安装在指定位置，最后将第二盖板25安装在第二容纳槽213上，对第二容纳槽213进行封堵，第二盖板25还可以对短接簧片23进行遮挡和保护，防止外部的部件挤压短接簧片23，减少短接簧片23的变形和损坏，另外还可以防止灰尘覆盖在短接簧片23与钢丝绳31接触的侧面上，影响接触效果。
在一实施例中，如图9所示，所述第二容纳槽213具有与所述第二槽口相对设置的安装面，所述安装面位于所述第二安装孔211的出口端的上方，所述安装面上凸设有热熔柱26，所述簧片座板22上开设有通孔，所述热熔柱26穿过所述通孔并热熔处理后可将所述簧片座板22固定在所述第二容纳槽213内。热熔柱26连接的结构可以减少连接部件的数量，降低制造成本，同时热熔后的热熔柱26 连接更加可靠，有效地防止了簧片座板22发生松动，进而防止短接簧片23因松动而与曳引钢带3接触不良。
在一实施例中，所述第二安装孔211的出口端设有限制所述曳引钢带3插入深度的第二限位凸起27。通过设置第二限位凸起27，当曳引钢带3插入至第二安装孔211内直至曳引钢带3的端部抵接第二限位凸起27时，表明短接簧片23抵紧了曳引钢带3的端部端面，第二限位凸起27可保护短接簧片23，减少曳引钢带3对短接簧片23的冲击。
本实施例中，同时设置了第一限位凸起17和第二限位凸起27，在其他实施例中，可以只设置第一限位凸起17或者只设置第二限位凸起27。
在本实施例中，第一盖板15通过卡扣卡接在第一基座11上，第二盖板25通过卡扣卡接在第二基座21上。卡扣连接的方式可以降低第一盖板15及第二盖板25的拆装难度。
如图12所示，本实施例还提供一种检测系统，包括上述电梯曳引钢带断绳检测装置，还包括监控模块4和故障指示器6，所述故障指示器6与所述监控模块4连接，所述监控模块4上设有至少一组插口组，每组所述插口组具有与所述曳引钢带3的钢丝绳31数量匹配的输出端插口，所述输出端插口与所述电梯曳引钢带断绳检测装置的电路板12上的输出簧片13一一对应电连通。
在一实施例中，故障指示器6为指示灯，也可以为数码管、液晶屏等。
在一实施例中，所述监控模块4上还设置有监测所述监控模块4是否正常的测试开关5。测试开关5设置为在电梯维保时，查看监控模块4工作是否正常，当断开测试开关5，即可模拟外部钢丝绳31断裂，系统检测到此测试回路不通，会显示相应的告警信息，表明监控模块4工作正常；如果断开测试开关5，监控模块4没有给出相应的告警信息，表明监控模块4可能存在故障，需要及时修复或更换，避免钢丝绳31发生断裂时而监控模块4无法及时有效地告警。
本实施例还提供一种检测方法，采用上述检测系统，如图13所示，图13示出了本实施例中的一种检测方法的流程图，包括如下步骤：
S110中，通过监控模块4向任意一个输出端插口输入一个电信号。
S120中，检测剩余的所述输出端插口的电流，若检测到所述输出端插口中存在电流，则判定曳引钢带3内与所述输出端插口对应的钢丝绳31未断裂；若未检测到所述输出端插口存在电流，则判定所述曳引钢带3内与所述输出端插口对应的所述钢丝绳31断裂。
在一实施例中，如图12所示，曳引钢带3的A端为短接端，曳引钢带3的B端为输出端，曳引钢带3内有n个钢丝绳31，A端依次设置有n个端头，分别为端头A1、端头A2、端头A3、端头A4，...，端头An，B端依次设置有n个端头，分别为端头B1、端头B2、端头B3、端头B4，...，端头Bn，曳引钢带3的A端处，所有的钢丝绳31通过短接簧片23短接在一起，电气上为导通状态；曳引钢带3的B端处，所有钢丝绳31通过输出簧片13与监控模块4上的输出端插口电连通，在电气上都可独立的输入和输出，相互间不存在直接的电气连接。
一般一台电梯会有多条(N条)曳引钢带3，对应地，监控模块4上预留N个插口组，N个插口组分别与相应的曳引钢带3的B端的N个端头连接。
测试原理如下：例如，在端头B1输入一个电信号，同时检测端头B2的电流，正常情况下，电流会经过端头B1-端头A1-端头A2-端头B2形成的回路，如果可以检测到端头B2的电流，说明第一根和第二根钢丝绳31均不存在断裂的现象；如果检测不到端头B2的电流，那么说明第一根或第二根钢丝绳31存在断裂；此时再检测端头B3的电流，正常情况下，电流会经过端头B1-端头A1-端头A3-端头B3形成的回路，如果可以检测到端头B3的电流，说明第一根钢丝绳31没有断裂，第二根钢丝绳31存在断裂，如果检测不到端头B3的电流，说明第一根钢丝绳31断裂，第二根钢丝绳31没有断裂。此处检测端头B3的电流仅为示例，在其他实施例中，也可以搭配选择端头B4、端头B5…及端头Bn中任意一端头进行检测。即，当发现正在测试的两个端点电流不构成正常回路时，此时需要再测试这两点以外的其它端点，以确认具体断绳的位置。其余的钢丝绳31检测也是依次类推，按照预设周期进行轮番搭配测试。
此检测方法采用独特的电流检测方式，可快速且准确地检测出钢丝绳31是否有断绳的现象，提升了检测效率和精度，而检测系统的故障指示器6可以直观地显示出哪一条钢丝绳31断绳，即钢丝绳31的断绳状态能够直观地展示出来，便于操作者辨别以及后期维修和更换；另外，此检测系统即使检测到其中一根钢丝绳31断绳，也不影响其他的钢丝绳31的检测，可以依次将所有的钢丝绳31的状态检测到位；检测系统的监控模块4带自检功能，可确保系统长期稳定地运行。

Claims (14)

  1. 一种电梯曳引钢带断绳检测装置，包括：
    输出端连接组件，包括第一基座和设于所述第一基座上的电路板，所述电路板设有数量与曳引钢带内的钢丝绳数量匹配的输出簧片，所述第一基座上设有第一安装孔，所述第一安装孔设置为供所述曳引钢带的第一端插入，且所述输出簧片与所述曳引钢带的第一端的端面抵接并与所述钢丝绳电导通；及
    短接端连接组件，包括第二基座和与所述第二基座连接的短接簧片，所述短接簧片的数量与所述输出簧片的数量相匹配，所述第二基座上设有第二安装孔，所述第二安装孔设置为供所述曳引钢带远离所述输出簧片的第二端插入，且所有所述短接簧片的第一端依次串联，所有所述短接簧片的第二端与所述曳引钢带的第二端的端面抵接并与所述钢丝绳电导通。
  2. 根据权利要求1所述的电梯曳引钢带断绳检测装置，其中，所述检测装置采用以下设置中的至少一种：
    所述输出端连接组件还包括设置于所述第一基座上的第一紧固件，所述第一紧固件设置为将所述曳引钢带抵紧在所述第一安装孔内；及
    所述短接端连接组件还包括设置于所述第二基座上的第二紧固件，所述第二紧固件设置为将所述曳引钢带抵紧在所述第二安装孔内。
  3. 根据权利要求1所述的电梯曳引钢带断绳检测装置，其中，所述输出端连接组件还包括设置于所述电路板上的输出插座，所述电路板包括导电线路，所述输出插座通过所述导电线路与所述输出簧片电连通。
  4. 根据权利要求1所述的电梯曳引钢带断绳检测装置，其中，所述电路板上开设有插接孔，所述输出簧片的一端焊接在所述插接孔内。
  5. 根据权利要求1所述的电梯曳引钢带断绳检测装置，其中，所述第一基座内具有限位面，所述限位面位于所述第一安装孔的出口端的上方，所述限位面上开设有与所述输出簧片对应的限位槽，所述输出簧片的非端部位置插接在所述限位槽内，所述输出簧片远离所述电路板的一端延伸至所述第一安装孔的出口端。
  6. 根据权利要求5所述的电梯曳引钢带断绳检测装置，其中，所述输出端连接组件还包括多个压紧件，所述多个压紧件间隔设置在所述限位面的一侧且设置为将所述输出簧片抵紧在所述限位槽内。
  7. 根据权利要求6所述的电梯曳引钢带断绳检测装置，其中，所述第一基座上凹设有第一容纳槽，所述第一容纳槽位于所述第一安装孔的出口端，所述第 一容纳槽具有正对所述第一安装孔的出口端的第一槽口；
    所述输出端连接组件还包括可拆卸设置于所述第一槽口处的第一盖板，所述第一盖板设置为封堵所述第一槽口，所述多个压紧件设于所述第一盖板靠近所述输出簧片的一侧。
  8. 根据权利要求1所述的电梯曳引钢带断绳检测装置，其中，所述检测装置采用以下设置中的至少一种：
    所述输出端连接组件还包括设置于所述第一安装孔的出口端的第一限位凸起，所述第一限位凸起设置为限制所述曳引钢带的插入深度；及
    所述短接端连接组件还包括设置于所述第二安装孔的出口端的第二限位凸起，所述第二限位凸起设置为限制所述曳引钢带的插入深度。
  9. 根据权利要求7所述的电梯曳引钢带断绳检测装置，其中，所述短接端连接组件还包括簧片座板，所有的所述短接簧片的第一端通过所述簧片座板依次串联，所有所述短接簧片的第二端悬空设置，所述簧片座板与所述第二基座连接。
  10. 根据权利要求9所述的电梯曳引钢带断绳检测装置，其中，所述第二基座上设有第二容纳槽，所述第二容纳槽具有与所述第二安装孔的出口端正对的第二槽口；
    所述短接端连接组件还包括可拆卸设置于所述第二槽口处的第二盖板，所述第二盖板设置为将所述簧片座板和所述短接簧片封装在所述第二容纳槽内。
  11. 根据权利要求10所述的电梯曳引钢带断绳检测装置，其中，所述第二容纳槽具有与所述第二槽口相对设置的安装面，所述安装面位于所述第二安装孔的出口端的上方；
    所述短接端连接组件还包括凸设于所述安装面上的热熔柱，所述簧片座板上开设有通孔，所述热熔柱设置为穿过所述通孔并热熔处理后将所述簧片座板固定在所述第二容纳槽内。
  12. 一种检测系统，包括监控模块、故障指示器及如权利要求1至11任一项所述的电梯曳引钢带断绳检测装置，所述故障指示器与所述监控模块连接，所述监控模块上设有至少一组插口组，每组所述插口组具有与所述曳引钢带的钢丝绳数量匹配的输出端插口，所述输出端插口与所述电梯曳引钢带断绳检测装置的电路板上的输出簧片一一对应并电连通。
  13. 根据权利要求12所述的检测系统，还包括设置于所述监控模块上的测试 开关，所述测试开关设置为监测所述监控模块是否正常。
  14. 一种检测方法，采用如权利要求12或13所述的检测系统，所述方法包括：
    通过监控模块向任意一个输出端插口输入一个电信号；及
    检测剩余的输出端插口的电流，若检测到所述输出端插口中存在电流，则判定曳引钢带内与所述输出端插口对应的钢丝绳未断裂；若未检测到所述输出端插口存在电流，则判定所述曳引钢带内与所述输出端插口对应的所述钢丝绳断裂。
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