CN115583547A - Balance monitoring device for elevator and elevator car - Google Patents
Balance monitoring device for elevator and elevator car Download PDFInfo
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- CN115583547A CN115583547A CN202211222592.2A CN202211222592A CN115583547A CN 115583547 A CN115583547 A CN 115583547A CN 202211222592 A CN202211222592 A CN 202211222592A CN 115583547 A CN115583547 A CN 115583547A
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- elevator car
- elevator
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- monitoring device
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
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- 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
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- 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
Abstract
The invention discloses an elevator and a balance monitoring device of an elevator car, wherein the balance monitoring device of the elevator car comprises: the device comprises an inclination angle sensing module, a safety switch and a control module; the inclination angle sensing module is fixedly arranged on the elevator car and used for acquiring real-time inclination data of the elevator car; the control module is connected with the inclination angle sensing module and used for determining the relative relation between the real-time inclination data and a preset range and further generating a safety control signal according to the relative relation; the safety switch is arranged on a safety loop of the elevator, is connected with the control module and is used for controlling the on-off of the safety loop according to the safety control signal so as to control the switching between the running and the shutdown of the elevator. The invention can reduce the workload of the staff on duty and improve the accuracy of inclination judgment.
Description
Technical Field
The embodiment of the invention relates to an elevator control technology, in particular to a balance monitoring device for an elevator and an elevator car.
Background
At present, with the continuous development of warehousing technology, the phenomenon of loading and unloading elevators by forklifts is common. The car as an important component of the elevator bears various external loads, large deviation can occur under the condition of uneven load distribution, and the state of the car is directly related to the safety of the whole elevator.
The inclination angle of the elevator car is one of the most intuitive evaluation indexes of the safety of the elevator, and the use condition of the elevator can be known to a great extent by measuring the change condition of the inclination angle of the elevator car. The existing car inclination monitoring device mostly adopts an angle measuring device to measure the inclination angle of the car and display and alarm the test result.
However, the existing car inclination monitoring device is adopted, the working intensity of workers on duty is high, and the manual misjudgment is easy to occur.
Disclosure of Invention
The invention provides a balance monitoring device for an elevator and an elevator car, which aims to reduce the workload of operators on duty and improve the accuracy of inclination judgment.
In a first aspect, an embodiment of the present invention provides a balance monitoring device for an elevator car, including: the device comprises an inclination angle sensing module, a safety switch and a control module;
the inclination angle sensing module is fixedly arranged on the elevator car and used for acquiring real-time inclination data of the elevator car;
the control module is connected with the inclination angle sensing module and is used for determining the relative relation between the real-time inclination data and a preset range and further generating a safety control signal according to the relative relation;
the safety switch is arranged on a safety loop of the elevator, is connected with the control module and is used for controlling the on-off of the safety loop according to the safety control signal so as to control the switching between the running and the shutdown of the elevator.
Optionally, the balance monitoring apparatus of the elevator car further comprises: an alarm module;
the control module is also used for generating an alarm control signal according to the relative relation;
the alarm module is connected with the control module and used for sending out corresponding alarm signals according to the alarm control signals.
Optionally, the alarm module includes at least one of a first alarm unit and a second alarm unit, and the alarm signal includes a first alarm signal and a second alarm signal; the first alarm unit is arranged in a duty room and used for sending out a corresponding first alarm signal according to the alarm control signal; the second alarm unit is arranged in the elevator car and used for sending out a corresponding second alarm signal according to the alarm control signal.
Optionally, the control module is further configured to generate position indication information according to the relative relationship;
the alarm control signal comprises a sound control signal and a light control signal;
the second alarm unit comprises at least one of a second sound alarm and a second light alarm, and the second sound alarm is used for giving an alarm according to the sound control signal;
the second light alarm comprises at least two alarm lamps, and is used for controlling state parameters of the alarm lamps according to the light control signals and the position indication information so that the alarm lamps emit alarm light and indicate the adjustment of the loading position of a user, wherein the state parameters comprise at least one of brightness, color and circulation direction.
Optionally, the balance monitoring apparatus of the elevator car further comprises: and the display module is connected with the control module and is used for displaying the real-time inclination data.
Optionally, the control module is further configured to generate position indication information according to the relative relationship;
the display module is arranged in the elevator car and used for displaying the position indication information so as to indicate the adjustment of the loading and unloading position of a user.
Optionally, the display module comprises an HMI touchscreen.
Optionally, the tilt angle sensing module comprises a first tilt angle sensor and/or a second tilt angle sensor, the first tilt angle sensor is disposed on a bottom surface of the elevator car, and the second tilt angle sensor is disposed on a top surface of the elevator car.
Optionally, the tilt sensing module comprises a dual-axis tilt sensor.
In a second aspect, an embodiment of the present invention further provides an elevator, which includes the balance monitoring device described in any one of the first aspects.
The elevator and the balance monitoring device of the elevator car provided by the embodiment of the invention are fixedly provided with the inclination angle sensing module on the elevator car, and the inclination angle sensing module acquires real-time inclination data of the elevator car; the control module is connected with the inclination angle sensing module and can determine the relative relation between the real-time inclination data and a preset range, and then a safety control signal is generated according to the relative relation; the safety switch is arranged on a safety loop of the elevator and connected with the control module, the safety switch controls the on-off of the safety loop according to the safety control signal so as to control the switching between the running and the stopping of the elevator, the safety control under the condition that the elevator car inclines is realized, the on-off of the safety loop can be automatically controlled according to real-time inclination data, the workload of workers on duty is reduced, and the accuracy of judgment is improved.
Drawings
Fig. 1 is a schematic structural diagram of a balance monitoring device of an elevator car according to an embodiment of the present invention;
fig. 2 is a schematic structural view of another elevator car balance monitoring apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural view of still another elevator car balance monitoring apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural view of still another elevator car balance monitoring apparatus according to an embodiment of the present invention;
fig. 5 is a schematic view of a preset direction in an elevator according to an embodiment of the present invention;
fig. 6 is a schematic distribution diagram of alarm lamps on a car top plane according to an embodiment of the present invention;
fig. 7 is a schematic structural view of still another elevator car balance monitoring apparatus according to an embodiment of the present invention;
fig. 8 is a schematic view of a display screen of a display module according to an embodiment of the present invention;
fig. 9 is a schematic diagram of the car attitude shown by another display module provided in the embodiment of the present invention;
fig. 10 is a schematic structural view of still another elevator car balance monitoring apparatus according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In order to solve the problems of the background art, the embodiment of the invention provides a balance monitoring device of an elevator car. Fig. 1 is a schematic structural view of a balance monitoring device of an elevator car according to an embodiment of the present invention, and referring to fig. 1, the balance monitoring device 100 of the elevator car includes: a tilt angle sensing module 101, a safety switch 102 and a control module 103. The inclination angle sensing module 101 is fixedly arranged on the elevator car and used for acquiring real-time inclination data of the elevator car. The control module 103 is connected with the inclination angle sensing module 101, and the control module 103 is configured to determine a relative relationship between the real-time inclination data and a preset range, and further generate a safety control signal according to the relative relationship. The safety switch 102 is arranged on a safety loop of the elevator, is connected with the control module 103, and is used for controlling the on-off of the safety loop according to the safety control signal so as to control the switching between the operation and the shutdown of the elevator. The elevator car balance monitoring device 100 may further comprise a switching power supply 104, the switching power supply 104 being connected to the power frequency grid for converting the power frequency power supply into a suitable dc power supply for powering the dc devices in the elevator car balance monitoring device 100. The ac unit in the elevator car balance monitoring apparatus 100 can be directly connected to the power frequency grid and powered directly by the grid.
The inclination angle sensing module 101 is an inclination angle sensing component disposed on the elevator car, and can obtain real-time inclination data of the elevator car. The safety switch 102 is a switching device disposed on the safety circuit, and can control the on/off of the safety circuit. The safety loop is an electric signal loop for controlling the start and stop of the elevator, can be connected with an electric control system of the elevator, and is provided with a safety switch 102. In the case of an open safety switch 102, the electrical signal of the safety circuit is cut off and the electrical control system can control the starting or stopping of the elevator depending on whether there is an electrical signal in the safety circuit. The control module 103 is a control device of the balance monitoring device, and can perform data processing on the tilt data. The preset range refers to a normal inclination data range for judging whether an inclination fault occurs or not, and can be determined according to an operation test or a simulation experiment of the elevator. If the real-time tilt data is maintained within the preset range, no tilt fault occurs. If the implemented inclination data exceed the preset range, the floor inclination degree of the elevator car or the car door is blocked, the elevator car cannot work normally, and at the moment, the inclination fault occurs.
Specifically, the inclination angle sensing module 101 may include an inclination angle sensor, and the inclination angle sensing module 101 may be disposed on the elevator car, connected to the switching power supply 104, and may collect inclination data of the elevator car. For example, the inclination angle sensing module 101 may be disposed on a bottom plane and/or a top plane of the car, and the inclination data includes an inclination angle of a preset direction in the bottom plane or the top plane of the car relative to a horizontal direction, where the preset direction is related to a placement direction of a shaft body in the inclination angle sensing module 101. The predetermined direction may comprise at least two, for example, the predetermined direction comprises an x-direction and a y-direction, both in the plane of the bottom surface of the elevator car and intersecting. The tilt angle sensing module 101 can measure tilt angles of the x-direction and the y-direction, respectively, with respect to a horizontal plane.
The safety switch 102 may include a relay, the relay is connected in series in the safety loop, and the safety switch 102 may control the on/off of the safety loop according to the safety control signal, so as to control the start and stop of the elevator operation. The control module 103 and the inclination angle sensing module 101 can be connected through a serial port and also electrically connected with a power frequency power grid, the control module 103 can be accessed to real-time inclination data of the car, and a safety control signal is generated according to the relative relation between the real-time inclination data and a preset range so as to control the on-off state of the safety switch 102. The control module 103 may include a PLC programmable controller, for example, of the type S7-200, which may acquire implementation tilt data collected by the tilt angle sensing module 101 in a polling manner.
Illustratively, the preset ranges may include an inclination of-5 ° to 5 ° in the x direction and an inclination of-5 ° to 5 ° in the y direction, if the real-time inclination data uploaded by the inclination sensing module 101 by the control module 103 includes an inclination of 8 ° in the x direction and an inclination of 3 ° in the y direction, and the control module 103 may determine that the real-time inclination data of the group is not all within the preset range, then a safety control signal including turn-off information is further generated to control the safety switch 102 to turn off, the elevator stops running, a jamming fault caused by the running of the elevator under the condition of excessive inclination is prevented, and the safety of the elevator is improved. The real-time tilt data changes after the user readjusts the gravity distribution within the elevator car. If the adjusted real-time inclination data includes inclination of 1 degree in the x direction and inclination of 0 degree in the y direction, the control module 103 determines that the real-time inclination data are all within a preset range, and then generates a safety control signal including opening information to control the safety switch 102 to be opened again, so that the elevator returns to normal operation.
The balance monitoring device of the elevator car provided by the embodiment is characterized in that an inclination angle sensing module is fixedly arranged on the elevator car, and the inclination angle sensing module acquires real-time inclination data of the elevator car; the control module can determine the relative relation between the real-time inclination data and a preset range, and further generates a safety control signal according to the relative relation; the safety switch is arranged on a safety loop of the elevator and connected with the control module, the safety switch controls the on-off of the safety loop according to the safety control signal so as to control the switching between the running and the stopping of the elevator, the safety control under the condition that the elevator car inclines is realized, the on-off of the safety loop can be automatically controlled according to real-time inclination data, the workload of workers on duty is reduced, and the accuracy of judgment is improved.
Optionally, fig. 2 is a schematic structural diagram of another elevator car balance monitoring device according to an embodiment of the present invention, and referring to fig. 2, on the basis of the foregoing embodiment, the elevator car balance monitoring device 100 further includes: an alarm module 201; the control module 103 is further configured to generate an alarm control signal according to the relative relationship; the alarm module 201 is connected to the control module 103 and configured to send out a corresponding alarm signal according to the alarm control signal.
The alarm module 201 is an alarm device capable of sending an alarm signal, and can prompt a worker on duty, an elevator passenger and an elevator loading and unloading person, so that an elevator car has an inclined fault.
Specifically, the control module 103 may include a PLC programmable controller having a preset range stored therein. The PLC is connected with the inclination sensing module and can generate an alarm control signal according to the real-time inclination data. The alarm module 201 may include at least one of an acoustic alarm device and an optical alarm device. The alarm module 201 can be connected to a power frequency grid and powered by the power frequency grid. Illustratively, the acoustic alarm device may include a buzzer and the optical alarm signal may include a string of lights. The alarm module 201 may send out a corresponding alarm signal according to the alarm control signal, and the alarm signal may include an acoustic signal and an optical signal.
For example, in the case of detecting that the real-time tilt data exceeds the preset range, the PLC may generate an alarm control signal to control the alarm module 201 to sound an alarm and flash a light. In the case that the real-time tilt data is detected to be within the preset range, the PLC may generate an alarm control signal to control the alarm module 201 to stop working.
The balance monitoring device of the elevator car provided by the embodiment is provided with the alarm module, the alarm module can send an alarm signal according to the alarm control signal generated by the control module so as to remind a person on duty, elevator passengers and elevator loading and unloading personnel that the elevator has a tilt fault, a user can conveniently rearrange the gravity distribution condition in the car, the tilt fault is eliminated as soon as possible and the elevator is put into operation again, and the safety of the elevator is improved.
Alternatively, fig. 3 is a schematic structural diagram of a balancing monitoring device of an elevator car according to another embodiment of the present invention, and referring to fig. 3, on the basis of the foregoing embodiment, an alarm module 201 includes at least one of a first alarm unit 301 and a second alarm unit 302, and an alarm signal includes a first alarm signal and a second alarm signal; the first alarm unit 301 is arranged in the duty room, and the first alarm unit 301 is used for sending out a corresponding first alarm signal according to the alarm control signal; the second alarm unit 302 is arranged in the elevator car, and the second alarm unit 302 is used for sending out a corresponding second alarm signal according to the alarm control signal.
The first alarm unit 301 is an alarm device disposed in the duty room, and can remind the duty worker that the elevator car has an inclination fault by sending a first alarm signal. The second alarm unit 302 is an alarm device disposed in the elevator car, and can send a second alarm signal to remind elevator passengers and elevator loading and unloading personnel that the elevator car has a tilt fault.
Specifically, the control module 103 obtains real-time tilt data collected by the tilt sensing module, and further determines a relative relationship between the implementation tilt data and a preset range. And if the real-time inclination data is within the preset range, generating an alarm control signal comprising closing information. The first alarm unit 301 and the second alarm unit 302 both keep the alarm function off according to the alarm control signal, and do not output the first alarm signal and the second alarm signal. And if the real-time inclination data is not in the preset range, generating an alarm control signal comprising opening information. The first alarm unit 301 and the second alarm unit 302 both start an alarm function according to an alarm control signal, the first alarm unit 301 outputs a first alarm signal to prompt a person on duty that the elevator car has a tilt fault, the second alarm unit 302 outputs a second alarm signal to prompt an elevator passenger and an elevator handler that the elevator car has a tilt fault to indicate that the elevator passenger and the elevator handler redistribute the gravity distribution of the car, illustratively, the second alarm unit 302 can give an alarm, and the content of the sound signal can be 'gravity distribution is not uniform, please readjust'.
The alarm module in the balance monitoring device of the elevator car provided by the embodiment comprises at least one of a first alarm unit and a second alarm unit, wherein the first alarm unit can send out a corresponding first alarm signal according to an alarm control signal to remind an attendant of the elevator car of an inclined fault. The second alarm unit can send out a corresponding second alarm signal according to the alarm control signal to remind elevator passengers and elevator loading and unloading personnel that the elevator car has an inclined fault so as to indicate the elevator passengers and the elevator loading and unloading personnel to redistribute the gravity distribution of the elevator car, thereby realizing alarm in two aspects, not only bringing attention to the personnel on duty to enable the personnel on duty to eliminate potential safety hazards by adopting a telephone guidance or field investigation mode as soon as possible, but also directly indicating the elevator passengers and the elevator loading and unloading personnel to readjust the gravity distribution in the elevator car, setting double guarantee for the inclined fault of the elevator, and further improving the safety of the elevator.
Optionally, fig. 4 is a schematic structural diagram of another elevator car balance monitoring device according to an embodiment of the present invention, and referring to fig. 4, on the basis of the foregoing embodiment, the control module 103 is further configured to generate position indication information according to the relative relationship. The alarm control signal comprises a sound control signal and a light control signal; the second alarm unit 302 includes at least one of a second audible alarm 401 and a second audible alarm 402, and the second audible alarm 401 is configured to sound an alarm in accordance with a sound control signal. The second optical alarm 402 includes at least two alarm lamps, and the second optical alarm 402 is configured to control a state parameter of the alarm lamp according to the optical control signal and the position indication information, so that the alarm lamp emits an alarm light and indicates adjustment of the loading position by the user.
The position indication information refers to gravity indication direction information determined according to the inclination angle information and the inclination direction information in the real-time inclination data. The second audible alarm 401 is an audible alarm provided in the elevator car. The second light alarm 402 is a light alarm arranged in the elevator car, and can send out a light alarm signal, and also can send out a light alarm signal containing position indication information by adjusting the state parameters of an alarm lamp so as to indicate elevator passengers and elevator loading and unloading personnel to readjust the gravity distribution in the elevator car according to the position indication information. The state parameters include at least one of light and dark, color, brightness, and flow direction.
The control module 103 can acquire real-time inclination data of the elevator car, which is acquired by the inclination angle sensing module 101, wherein the real-time inclination data includes an inclination direction and an inclination angle, and the control module 103 can generate position indication information according to a relative relationship between the real-time inclination data and a preset range. The second light alarm 402 can send out a light alarm signal containing position indication information according to the light control signal and the position indication information to warn elevator passengers and elevator loading and unloading personnel that the car has a tilt fault and instruct the elevator passengers and the elevator loading and unloading personnel to adjust the gravity distribution according to the position indication information by using the light alarm signal.
Specifically, fig. 5 is a schematic diagram of a preset direction in an elevator provided by an embodiment of the present invention, and in conjunction with fig. 4 and 5, the inclination data may include an inclination direction (also referred to as a preset direction) and an inclination angle, for example. The direction of inclination may comprise an x-direction and a y-direction, both in the plane of the bottom surface of the elevator car and intersecting, preferably the x-direction and the y-direction may be perpendicular to each other in the plane of the car bottom. The tilt angle sensing module 101 may measure tilt angles of the x-direction and the y-direction with respect to a horizontal plane, respectively, and determine a direction in which the tilt angle is not 0 (i.e., a tilt direction). Under the condition that the preset range includes a tilt of-5 ° to 5 ° in the x direction and a tilt of-5 ° to 5 ° in the y direction, if the real-time tilt data includes a tilt of-6 ° in the x direction and a tilt of 0 ° in the y direction, the control module 103 may determine that the real-time tilt data is not within the preset range and the tilt angle in the x direction is smaller than the minimum value of the preset range, and further may determine that the position indication information includes an opposite direction in which the adjustment direction is the x direction according to the relative relationship, where the x direction indicates that the tilt direction is the x direction, and the-6 ° indicates that the x direction is lower than the horizontal direction and that an included angle formed by the x direction and the horizontal direction is 6 °. Further, the warning lamp in the second optical warning unit 402 may issue an optical warning signal containing position indication information based on the optical control signal and the position indication information. For example, fig. 6 is a schematic distribution diagram of alarm lamps on a car top plane according to an embodiment of the present invention, and with reference to fig. 4 and 6, the second optical alarm 402 may include four alarm lamps, which may be disposed on a top plane 600 of an elevator car, where the first alarm lamp 601, the second alarm lamp 602, the third alarm lamp 603, and the fourth alarm lamp 604 correspond to an x direction, an opposite direction of the x direction, a y direction, and an opposite direction of the y direction one by one, respectively, and when the second optical alarm 402 receives the position indication information that is the opposite direction of the x direction, the second alarm lamp 602 emits red light to instruct elevator passengers and elevator loading/unloading staff to move a gravity distribution in an elevator toward the opposite direction of the x direction, so as to reduce a degree of inclination of the car. It should be noted that the position indication information may include an adjustment degree in addition to the adjustment direction, the adjustment degree may be determined according to an absolute value of the inclination angle, the adjustment degree may be represented by a color of the warning light, and the adjustment degree may correspond to a color temperature of the warning light from cold to warm, for example, from light to dark.
The balance monitoring device of the elevator car provided by the embodiment is provided with the second sound alarm and the second light alarm in the second alarm unit, the control module can generate a sound control signal, a light control signal and position indication information according to the relative relation between real-time inclination data and a preset range, the second sound alarm can send out alarm sound according to the sound control signal, the second light alarm can control the state parameters of an alarm lamp according to the light control signal and the position indication information, so that the alarm lamp sends out alarm light containing the position indication information to indicate the adjustment of the loading position of a user, and when an elevator inclination fault occurs, the direct indication of elevator passengers and elevator loading and unloading personnel is realized, the indicator appropriately adjusts the positions of vehicles, personnel or goods loaded in the car, so that the integral suspension center of the elevator is overlapped with the gravity center of the car as much as possible, and the operation is recovered as soon as possible. The placement position of a heavy object is directly indicated by using sound alarm and light alarm in the loading and unloading process, so that door system clamping stagnation caused by inclination is prevented, the correction efficiency and the loading and unloading efficiency of inclination faults are improved, and the fault rate of an elevator is reduced.
Optionally, fig. 7 is a schematic structural diagram of another elevator car balance monitoring device according to an embodiment of the present invention, and referring to fig. 7, on the basis of the foregoing embodiment, the elevator car balance monitoring device 100 further includes: and the display module 701, wherein the display module 701 is connected with the control module 103 and is used for displaying the real-time inclination data.
Specifically, the display module 701 and the control module 103 are communicatively connected through a serial bus, and may include a display screen 702 and a touch device 703, and preferably, the display module 701 includes an HMI touch screen, which may be MT6071iE. The display module 701 can display real-time inclination data of the elevator car in real time, can input a signal to the control module 103 through the touch device 703 to modify a preset range stored in the control module 103, and can input a signal to the control module 103 through the touch device 703 to realize zero setting and calibration of the inclination angle sensing module 101 and resetting of the alarm module 201. The display module 701 may be installed in a duty room to prompt a duty worker about a real-time status of the elevator car and facilitate the duty worker to control the components of the balance monitoring apparatus. The display module 701 may also be disposed within an elevator car to display position indication information to indicate adjustment of the loading and unloading positions by elevator passengers and elevator loaders.
Exemplarily, fig. 8 is a schematic diagram of a display screen of a display module provided by an embodiment of the present invention, fig. 9 is a schematic diagram of a car posture displayed by another display module provided by an embodiment of the present invention, and with reference to fig. 7, fig. 8 and fig. 9, the control module 103 may acquire real-time tilt data of the elevator car acquired by the tilt angle sensing module 101, where the real-time tilt data includes a tilt direction and a tilt angle, and the control module 103 may generate position indication information according to a relative relationship between the real-time tilt data and a preset range. The display module 701 may display real-time tilt data and position indication information, the real-time tilt data may be displayed in the form of a data table or a change trend, and the implementation tilt data may be displayed in the form of a tilt angle change graph in the x direction and the y direction, for example. The position indication information can be displayed in an arrow and/or character mode, so that the adjustment of the gravity distribution position by elevator passengers and elevator loading and unloading personnel is indicated in real time in the process of loading and unloading the elevator or loading and unloading goods by the passengers, the probability of breaking a safety loop due to the occurrence of a tilt fault is reduced, the frequency of starting and stopping the elevator due to the occurrence of the tilt can be reduced, the transportation efficiency of the elevator is improved, and the user experience is improved. In addition, the display module 701 may further set a zero setting button, a calibration button, an alarm module reset button, and an alarm signal display area on the display screen.
Alternatively, fig. 10 is a schematic structural diagram of a further balancing monitoring device for an elevator car according to an embodiment of the present invention, and referring to fig. 10, based on the foregoing embodiment, the tilt angle sensing module 101 includes a first tilt angle sensor 1001 and/or a second tilt angle sensor 1002, the first tilt angle sensor 1001 is disposed on a bottom surface of the elevator car, and the second tilt angle sensor 1002 is disposed on a top surface of the elevator car.
Specifically, the first and second tilt sensors 1001 and 1002 may each comprise a dual-axis tilt sensor, which may be, for example, a type of SINDT-485. A first tilt sensor 1001 is provided at an edge position of the bottom surface of the elevator car and a second tilt sensor 1002 is provided at an edge position of the top surface of the elevator car. Illustratively, a first tilt sensor 1001 is disposed at an edge position adjacent to a centerline of the elevator door on the bottom surface of the elevator car, and a second tilt sensor 1002 is disposed at an edge position adjacent to the centerline of the elevator door on the top surface of the elevator car. The control module 103 may use an average value of one or both of the tilt angles smaller in the tilt data as a criterion for determining whether a tilt failure occurs, and may reduce a measurement error of the single plane due to mechanical deformation. The first tilt sensor 1001 and the second tilt sensor 1002 may also measure tilt data in different directions as required to provide more detailed position indication information for the user.
The balance monitoring device of the elevator car provided by the embodiment is characterized in that the bottom surface and the top surface of the car are respectively provided with the first inclination angle sensor and the second inclination angle sensor, so that the measurement error caused by mechanical deformation of a single plane can be reduced, the first inclination angle sensor and the second inclination angle sensor can also measure the inclination data in different directions according to requirements, more detailed position indication information is provided for users, more detailed monitoring on the inclination information of the elevator car is realized, and the reliability of the balance monitoring device is further improved.
The embodiment of the invention also provides an elevator. The elevator comprises the balance monitoring device of the elevator car provided in any of the foregoing embodiments.
According to the elevator and the balance monitoring device of the elevator car, the inclination angle sensing module is fixedly arranged on the elevator car and acquires real-time inclination data of the elevator car; the control module is connected with the inclination angle sensing module and can determine the relative relation between the real-time inclination data and a preset range, and then a safety control signal is generated according to the relative relation; the safety switch is arranged on a safety loop of the elevator and connected with the control module, the safety switch controls the on-off of the safety loop according to the safety control signal so as to control the switching between the running and the stopping of the elevator, the safety control under the condition that the elevator car inclines is realized, the on-off of the safety loop can be automatically controlled according to real-time inclination data, the workload of workers on duty is reduced, and the accuracy of judgment is improved.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A balance monitoring device for an elevator car, comprising: the device comprises an inclination angle sensing module, a safety switch and a control module;
the inclination angle sensing module is fixedly arranged on the elevator car and used for acquiring real-time inclination data of the elevator car;
the control module is connected with the inclination angle sensing module and used for determining the relative relation between the real-time inclination data and a preset range and further generating a safety control signal according to the relative relation;
the safety switch is arranged on a safety loop of the elevator, is connected with the control module and is used for controlling the on-off of the safety loop according to the safety control signal so as to control the switching between the running and the shutdown of the elevator.
2. The balance monitoring device of an elevator car of claim 1, further comprising: an alarm module;
the control module is also used for generating an alarm control signal according to the relative relation;
the alarm module is connected with the control module and used for sending out corresponding alarm signals according to the alarm control signals.
3. The elevator car balance monitoring device of claim 2, wherein the alarm module comprises at least one of a first alarm unit and a second alarm unit, the alarm signal comprising a first alarm signal and a second alarm signal; the first alarm unit is arranged in a duty room and used for sending out a corresponding first alarm signal according to the alarm control signal; the second alarm unit is arranged in the elevator car and used for sending out a corresponding second alarm signal according to the alarm control signal.
4. The balance monitoring device of an elevator car of claim 3, wherein the control module is further configured to generate position indication information based on the relative relationship;
the alarm control signal comprises a sound control signal and a light control signal;
the second alarm unit comprises at least one of a second sound alarm and a second light alarm, and the second sound alarm is used for giving an alarm according to the sound control signal;
the second light alarm comprises at least two alarm lamps, and is used for controlling state parameters of the alarm lamps according to the light control signals and the position indication information so that the alarm lamps emit alarm light and indicate the adjustment of the loading position of a user, wherein the state parameters comprise at least one of brightness, color and circulation direction.
5. The balance monitoring device of an elevator car of claim 1, further comprising: and the display module is connected with the control module and is used for displaying the real-time inclination data.
6. The elevator car balance monitoring device of claim 5, wherein the control module is further configured to generate position indication information based on the relative relationship;
the display module is arranged in the elevator car and used for displaying the position indication information so as to indicate the adjustment of the loading and unloading position of a user.
7. The balance monitoring device of an elevator car of claim 5, wherein the display module comprises an HMI touch screen.
8. The balance monitoring device of an elevator car of claim 1, wherein the tilt sensor module comprises a first tilt sensor disposed on a bottom surface of the elevator car and/or a second tilt sensor disposed on a top surface of the elevator car.
9. The elevator car balance monitoring device of claim 1, wherein the tilt sensor module comprises a dual-axis tilt sensor.
10. An elevator, characterized in that it comprises a balance monitoring device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211222592.2A CN115583547A (en) | 2022-10-08 | 2022-10-08 | Balance monitoring device for elevator and elevator car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211222592.2A CN115583547A (en) | 2022-10-08 | 2022-10-08 | Balance monitoring device for elevator and elevator car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115583547A true CN115583547A (en) | 2023-01-10 |
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ID=84772861
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211222592.2A Pending CN115583547A (en) | 2022-10-08 | 2022-10-08 | Balance monitoring device for elevator and elevator car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115583547A (en) |
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2022
- 2022-10-08 CN CN202211222592.2A patent/CN115583547A/en active Pending
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