KR102504854B1 - Two way smart integrated management system for hoist - Google Patents

Abstract

The present invention relates to a two-way smart integrated management system for a hoist. The two-way smart integrated management system for a hoist includes: multiple lift devices transmitting driving information on each lift cages; an emergency call device installed in each lift cage; and a remote control device connected to the multiple lift devices, a CCTV device, and the emergency call device via a communication network. The remote control device displays the driving information on the lift cage transmitted from the multiple lift devices. The remote control device is also connected to the emergency call device installed in the predetermined lift cage when the predetermined lift cage is selected by an administrator. At the same time, the remote control device displays a driving situation image transmitted from the CCTV device of the lift cage. The two-way smart integrated management system for a hoist can integrally control operation of the hoist by each site at one place in real time by mutual interlocking between the emergency call device of the hoist, the CCTV, and the management system.

Description

Two-way smart hoist integrated control system {TWO WAY SMART INTEGRATED MANAGEMENT SYSTEM FOR HOIST}

The present invention relates to a two-way smart hoist integrated control system capable of integrally controlling hoist operation by site through mutual interworking and two-way communication between a hoist emergency call device, CCTV, and a control system.

Recently, as buildings such as apartments have become high-rise, the use of lifts installed outside buildings to transport workers and building materials is increasing.

As shown in FIG. 1, a typical lift cage is configured to move to each floor along a mast 20 erected up and down in a new building 10 according to driving of a motor installed in the lift cage 30.

In general, due to the nature of the construction site, the work of installing and extending the lift in a mast prefabricated manner frequently occurs, and often the lift fails to operate normally due to workers' inexperience or carelessness.

In particular, when the lift is stopped during operation, workers (foreigners) riding inside the lift contact the management office to escape the crisis situation.

In the above process, a lot of time is wasted and various problems and safety accidents occur, so when the hoist fails, it is necessary to have a hoist integrated control system that can deliver the contents to the site management office in real time and take appropriate measures accordingly.

Furthermore, it is necessary to develop a control system capable of integratively managing field images together with operation information of a plurality of hoists arranged in a construction site in real time.

Registered Patent Publication No. 10-1639759 (Public date: 2016. 07. 14) Registered Patent Publication No. 10-1734462 (Public date: 2017. 05. 24)

An object of the embodiments of the present invention to improve the above problems is to provide a two-way smart hoist integrated control system that can control hoist operation by site in real time in one place.

In order to achieve the above object, a bidirectional smart hoist integrated control system according to an embodiment of the present invention includes a plurality of lift devices for transmitting operation information of each lift cage; CCTV devices monitoring the operation status of each lift cage; Emergency call devices installed in each lift cage; and a remote control device connected to the plurality of lift devices, the CCTV device, and the emergency call device through a communication network, wherein the remote control device displays operation information of the lift cage transmitted from the plurality of lift devices. When a specific lift cage is selected, it is characterized in that it is connected to an emergency call device installed in the specific lift cage and at the same time displays an operation status image transmitted from a CCTV device of the lift cage.

The emergency call device is installed with at least one button for operation, and when the button is operated by an operator, it is automatically connected to the remote control device and at the same time, the operation status of the lift cage in which the emergency call device is installed is installed in the remote control device. It is characterized in that the image is displayed by one-touch import.

The remote control device is characterized in that it displays error state information on various parts of the lift, weight information of an object being transported to the lift cage, operation floor information and operation time information, and operation error information of the lift cage. .

The lift device includes at least one sensing circuit unit that monitors operation information of the lift cage, a code generation unit that generates an error code for whether or not an error has occurred in the lift cage based on a monitoring result of the sensing circuit unit, and a detection circuit unit and code generation unit. It is characterized in that it includes a controller that controls the operation of the unit and transmits the error code generated by the code generation unit to the remote control device.

The controller maintains the most recently received limit speed information of the lift cage until operation of the lift cage is terminated when an operation error occurs in at least one of the detection circuit unit and the code generation unit, and when re-operating, the preset safety limit is set. The operation of the lift cage is restricted by speed, but the safety limit speed is released when at least one of the detection circuit unit and the code generation unit in which an operation error has occurred is reset or rebooted.

The two-way smart hoist integrated control system according to an embodiment of the present invention can control hoist operation by site in real time in one place through interworking between the hoist emergency call device, CCTV and control system.

1 is a schematic view of a general construction lift.
2 is a diagram schematically showing a bi-directional smart hoist integrated control system according to an embodiment of the present invention.
Figure 3 is a block diagram schematically showing the lift device of the two-way smart hoist integrated control system of Figure 2.
4a to 4b are diagrams showing a screen of a remote control device of the bi-directional smart hoist integrated control system of FIG. 2 .

The present invention as described above will be described in detail through the accompanying drawings and embodiments.

It should be noted that technical terms used in the present invention are only used to describe specific embodiments and are not intended to limit the present invention. In addition, technical terms used in the present invention should be interpreted in terms commonly understood by those of ordinary skill in the art to which the present invention belongs, unless specifically defined otherwise in the present invention, and are excessively inclusive. It should not be interpreted in a positive sense or in an excessively reduced sense. In addition, when the technical terms used in the present invention are incorrect technical terms that do not accurately express the spirit of the present invention, they should be replaced with technical terms that those skilled in the art can correctly understand. In addition, general terms used in the present invention should be interpreted as defined in advance or according to context, and should not be interpreted in an excessively reduced sense.

Also, singular expressions used in the present invention include plural expressions unless the context clearly dictates otherwise. In the present invention, terms such as "consisting of" or "comprising" should not be construed as necessarily including all of the various elements or steps described in the invention, and some of the elements or steps are included. It should be construed that it may not be, or may further include additional components or steps.

In addition, terms including ordinal numbers such as first and second used in the present invention may be used to describe components, but components should not be limited by the terms. Terms are used only to distinguish one component from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element, without departing from the scope of the present invention.

Hereinafter, a preferred embodiment according to the present invention will be described in detail with reference to the accompanying drawings, but the same or similar components are assigned the same reference numerals regardless of reference numerals, and redundant description thereof will be omitted.

In addition, in describing the present invention, if it is determined that a detailed description of a related known technology may obscure the gist of the present invention, the detailed description will be omitted. In addition, it should be noted that the accompanying drawings are only for easily understanding the spirit of the present invention, and should not be construed as limiting the spirit of the present invention by the accompanying drawings.

2 is a diagram schematically showing a bi-directional smart hoist integrated control system according to an embodiment of the present invention, and FIG. 3 is a block diagram schematically showing a lift device of the bi-directional smart hoist integrated control system of FIG. 2, and FIGS. Figure 4b is a view showing the screen of the remote control device of the two-way smart hoist integrated control system of FIG.

As shown in FIG. 2, the two-way smart hoist integrated control system according to an embodiment of the present invention includes individual safety devices installed at an existing construction site, a CCTV device 400, an emergency call device 300, and a remote control device ( 100), and includes a lift device 200, an emergency call device 300, a CCTV device 400, and a remote control device 100.

The two-way smart hoist integrated control system according to an embodiment of the present invention is designed so that the remote control device 100, the emergency call device 300, and the CCTV device 400 are interlocked at all times, and in one-stop operation, remote control It is designed to provide the device 100 with a CCTV image provision and storage function, an emergency call function, and a daily operation inspection function of each unit.

The lift device 200 is a device that transmits operation information of each lift cage, and as shown in FIG. 3, at least one detection circuit unit 210 for monitoring operation information and operation information of the lift cage; Based on the monitoring result of the circuit unit 210, the operation of the code generation unit 220 that generates an error code for whether or not an error has occurred in the lift cage, the detection circuit unit 210, and the code generation unit 220 is controlled. and a controller 230 that transmits the error code generated by the generation unit 220 to the remote control device 100 (A).

In particular, the sensing circuit unit 210 is provided in plurality to monitor whether the lift cage is safely operated. Components constituting the sensing circuit unit 210 below may be appropriately installed inside and outside the lift cage in order to perform each function.

Although not shown, the detection circuit unit 210 includes a position detection unit for detecting the current position of the lift cage, a reference point detection unit for detecting the reference point of the lift cage, a door open/closed detection unit for detecting whether the lift cage door is open or closed, and supply to the lift cage. Operating power detecting unit that detects the presence or absence of abnormalities in the contacts of the power supply, switch detecting unit that detects abnormalities in the switches at the top and bottom of the lift cage, clamping detecting unit that detects whether or not the upper and lower parts of the lift cage are clamped, output of lifting or lowering of the lift cage It includes a relay output unit for detecting , an emergency detection unit for detecting abnormalities in the emergency switch at the entrance or exit of the lift cage, and an emergency exit detection unit for detecting whether the emergency exit of the lift cage is turned on or off.

The emergency exit sensor includes a sensor attached to the emergency exit door to detect on/off of the emergency exit.

In the present invention, although not shown, by installing an emergency exit detection sensor (eg, proximity detection sensor) that detects the on/off of the lift emergency exit on the emergency exit door, and designed to organically interlock with the manual and automatic operation devices, the lift It is possible to reduce on-site safety accidents such as sudden stoppage of operation during operation (eg, lift power outage, A/S occurrence, etc.).

In addition, in the present invention, although not shown, it is possible to install an over-lift limit sensor for preventing the hoist from falling and an LED indicating whether or not it is operating. That is, in the present invention, a separate fall prevention limit sensor device is installed at the top of the carrier to prevent the carrier from overturning when the hoist is installed/dismantled, the LED is turned on when normal, and the LED is turned on with a large and preset voice information (Korean, Chinese) when operating. ) to warn you.

Therefore, the sensing circuit unit 210 is mounted at the corresponding position of the lift cage for each item to be detected, detects whether the lift cage is safely operated, and transmits the detected result to the remote control device 100 through a communication network (e.g., serial communication network).

In addition, each sensor constituting the sensing circuit unit 210 may include a wireless sensor including a magnetic sensor, a pressure sensor, a proximity sensor, or a limit sensor, each of which detects the current voltage of the battery and its position. The included battery state data may be transmitted to the remote control device 100 .

At this time, the remote control device 100 may receive and organize the battery state data from the controller 230 and transmit the organized battery state data to an external server (not shown). In some examples, a plurality of remote control devices 100 may also be provided. That is, one remote control device 100 may communicate with tens to hundreds of controllers 230 and another remote control device 100 may communicate with tens to hundreds of other controllers 230 .

The remote control device 100 may receive battery state data from the controller 230, store the battery state data in a designated address, and transmit the stored battery state data to an external server.

The remote control device 100 checks the received battery state data, and when the battery voltage is lower than the set voltage, displays a low battery error along with location information of the corresponding wireless sensor through the monitor of the remote control device 100. there is.

In this way, the present invention measures the battery voltage of the wireless sensor and transmits an alarm signal when the voltage falls below a certain voltage, thereby preventing malfunction due to battery discharge and safety accidents of workers in an environment using the wireless sensor.

The controller 230 may transmit the monitoring result of the detection circuit unit 210 and information on whether or not an error has occurred in the lift cage of the code generator 220 as text or voice signals. For example, the controller 230 of the present invention may transmit a foreign language mark such as Chinese or English and a corresponding signal for broadcasting a voice comment so that people of various nationalities can use the remote control device 100 .

Although not shown, the lift device 200 includes a control panel for directly controlling the operation of the lift cage, and an automatic / automatic / A manual interlocking switch may be provided. The control panel is connected to the controller 230 through a relay switch (not shown) and can control the operation of the lift cage based on operation information of the lift cage detected by the sensing circuit unit 210.

In addition, the controller 230 transmits the most recently received limit speed information of the lift cage until operation of the lift cage is terminated, when an operation error occurs in at least one of the detection circuit unit 210 and the code generator unit 220. and limit the operation of the lift cage to the preset safety limit speed upon re-operation, but release the safety limit speed when at least one of the detection circuit unit 210 and the code generation unit 220 in which an operation error has occurred is reset or rebooted. can do.

For example, if a situation arises in which at least one of the detection circuit unit 210 and the code generation unit 220 cannot receive the speed limit information due to a failure or malfunction, the last speed limit received before the occurrence of the event occurs. It is possible to control the speed limit of the lift cage based on information, that is, based on the most recently recognized location information. In addition, when at least one of the detection circuit unit 210 and the code generation unit 220 is still in a malfunctioning or malfunctioning state, the lift cage finishes traveling or gets off for a while and boarding (recognition of boarding through a pressure sensor (not shown) described later) ), the operation of the lift cage can be limited to a preset safety limit speed, rather than controlled by the latest speed limit information. Thereafter, when at least one of the detection circuit unit 210 and the code generation unit 220 in which an operation error has occurred is repaired or reset or rebooted due to this, the safe speed limit can be released.

The position detection unit of the sensing circuit unit 210 is installed inside the lift cage and can obtain current latitude and longitude coordinate data of the lift cage. The location detector may calculate a location (ie, calculate latitude, longitude, etc.) based on a signal received from a GPS satellite, and output a current location and longitude coordinate values as a result of the calculation.

The emergency call device 300 is a device installed in each lift cage and operated in conjunction with the remote control device 100, and includes a display and a speaker device to conduct a voice call through interworking with the remote control device 100. do.

In addition, the emergency call device 300 is installed with at least one button (for example, an emergency call button) for operation, and is automatically connected to the remote control device 100 when the button is operated by an operator. At the same time, the operation status image of the lift cage in which the emergency call device 300 is installed is displayed on the remote control device 100 through a linkage with the CCTV device 400 in a one-touch import method.

For example, when an operator in the lift cage operates an emergency call button provided in the emergency call device 300, it is automatically connected to the machine of the lift cage through the remote control device 100, enabling voice calls. At the same time, the CCTV image of the corresponding unit is automatically displayed on the monitor screen of the remote control device 100.

The CCTV device 400 is a device that captures images around the hoist or lift cage in order to monitor the operation status of each lift cage, and transmits the captured image to the remote control device 100 linked thereto.

The remote control device 100 is a device that is connected to a plurality of lift devices 200, a CCTV device 400, and an emergency call device 300 through a communication network to remotely perform integrated interworking with each device.

This remote control device 100 displays the operation information of the lift cage transmitted from the plurality of lift devices 200 on the monitor screen, but when a specific lift cage is selected by the manager, the emergency call device installed in the specific lift cage (300 ) and at the same time displays the driving situation video transmitted from the CCTV device 400 of the lift cage.

For example, when an administrator selects a desired number from among a plurality of numbers displayed on the monitor screen of the remote control device 100, the remote control device 100 and the emergency call device 300 installed in the corresponding number are automatically connected. At the same time, the CCTV image of the corresponding unit can be displayed on the corresponding monitor screen.

The remote control device 100 may display weight information of objects transported in the lift cage, operation floor information of the lift cage, operation time information, and operation error information on a monitor screen. In the present invention, by displaying the weight of the hoist when operating the hoist, it is possible to plan the work according to the expected amount of transport or to properly arrange the hoist operation.

In addition, the remote control device 100 displays error state information on various parts of the lift, weight information of objects transported to the lift cage, lift cage operation floor information, operation time information, and operation error information on the monitor screen. In addition, status information such as power failure in the lift cage, entrance/exit door status, top and bottom constriction status, encoder error, whether emergency switch was pressed, lift failure, and error codes are analyzed to show the lifts of the entire site on the screen in the form of a floor plan. You can display error conditions in a one-touch recall method. In this way, since the remote control device 100 displays the operation status of all lifts on the monitor, the operation status of the lifts can be grasped at a glance and safety accidents can be prevented.

For example, as shown in FIGS. 4A to 4B , the monitor screen of the remote control device 100 includes a first display unit 110 and a second display unit 120 normally displayed, and an emergency call device 300 ) and a third display unit 130 and a fourth display unit 140 displayed when interlocked. Furthermore, the monitor screen of the remote control device 100 may include a fifth display unit 150 that displays the operation status of each machine in detail according to a manager's selection.

In addition, on the monitor screen of the remote control device 100, the hoist operating floor is displayed in graphic form (for example, lit in red when an error occurs), or an alarm is turned on and Korean subtitles are displayed in case of a hoist failure, so that a quick and appropriate site response can be made possible.

In addition, on the monitor screen of the remote control device 100, the operation inspection status of each unit (daily operation time, error occurrence type, etc. (Korean subtitle display)) is displayed as in the second display unit 120, and the hoist emergency call device It is interlocked with the third display unit 130 to display the interlocking state, and interlocked with the hoist CCTV device 400 to display the corresponding information as in the fourth display unit 140.

Through this, in the present invention, hoist operation for each site can be integrated and controlled in one place in real time.

The monitor of the remote control device 100 is a liquid crystal display (LCD), a thin film transistor liquid crystal display (TFT LCD), or an organic light-emitting diode (OLED). , Flexible Display, and 3D Display.

In addition, the remote control device 100 includes operation status information of each machine output on the monitor screen, detection and control information by the sensing circuit unit 210, a control program for controlling the operation of the lift cage, and CCTV device 400 and a memory unit composed of RAM, ROM, Electrically Erasable and Programmable Read Only Memory (EEPROM), Synchronous Dynamic Random Access Memory (SDRAM), or HDD to store data transmitted and received to and from the external server. Accordingly, in the present invention, it is possible to provide data by daily, weekly, and monthly status by storing the operation status and error status data of each hoist.

Meanwhile, the remote control device 100 transmits the error code of the lift cage received from the lift device 200 to an external server through a wireless communication network or a mobile communication network.

In addition, the remote control device 100 not only sends the error code to an external server, but also transmits it to the lift maintenance engineer's terminal (ie, smartphone, tablet, computer, etc.) to immediately identify the failure situation and take action in the shortest time can make it possible.

For example, the communication method of the remote control device 100 is a TCP-IP wireless network method using a cloud server device or a method using a wireless RF frequency, a method using WiFi, or a method using a mobile communication network such as LTE. It can be configured appropriately in consideration of star conditions.

In other words, the remote control device 100 connected to the lift device 200 transmits the error code using a TCP-IP wireless network method using a cloud server or a method using a wireless RF frequency, or a method using a mobile communication network such as WiFi or LTE. The method is appropriately selected and used in consideration of the conditions of each site, and through this, the error code is transmitted to an external server located remotely.

On the other hand, this external server has the same configuration as a normal web server in terms of hardware, and in terms of software, it is implemented through various types of languages such as C, C++, Java, Visual Basic, Visual C, etc. to perform various functions. It may contain program modules. In addition, it is provided in various ways depending on the operating system such as DOS, Windows, Linux, Unix, Macintosh, Android, and iOS in general server hardware. It can be implemented using a web server program that is being developed.

An example of a wireless communication network of an Internet network connecting the remote control device 100 and an external server according to the present embodiment is technical standards or communication methods for mobile communication (eg, GSM (Global System for Mobile communication) ), Code Division Multi Access (CDMA), Code Division Multi Access 2000 (CDMA2000), Enhanced Voice-Data Optimized or Enhanced Voice-Data Only (EV-DO), Wideband CDMA (WCDMA), High Speed Downlink Packet Access (HSDPA) , High Speed Uplink Packet Access (HSUPA), Long Term Evolution (LTE), Long Term Evolution-Advanced (LTE-A), 5G, etc.), but is not particularly limited. In addition, an example of the wired communication network may be a closed network such as a local area network (LAN) and a wide area network (WAN), preferably an open network such as the Internet. The Internet is based on the TCP/IP protocol and several services that exist on its upper layer, such as HTTP (HyperText Transfer Protocol), Telnet, FTP (File Transfer Protocol), DNS (Domain Name System), SMTP (Simple Mail Transfer Protocol), SNMP ( Simple Network Management Protocol), Network File Service (NFS), and Network Information Service (NIS).

The two-way smart hoist integrated control system according to an embodiment of the present invention configured as described above can control hoist operation by site in real time in one place through interworking between the hoist emergency call device, CCTV and control system.

Meanwhile, a fouling resistant coating layer made of an antifouling coating composition may be applied to the outer surface of the emergency call device 300 to improve fouling resistance.

The stain-resistant coating composition contains sulfolaurate and cocamidopropyl betaine in a molar ratio of 1:0.01 to 1:2, and the total content of sulfolaurate and cocamidopropyl betaine is 1 to 10% by weight based on the total aqueous solution. am.

The molar ratio of the sulfolaurate and cocamidopropyl betaine is preferably 1:0.01 to 1:2. If the molar ratio is out of the above range, the coating property of the stain-resistant coating layer is lowered or the moisture adsorption on the surface increases after coating. There is a problem that the coating film is removed.

The sulfolaurate and cocamidopropyl betaine are preferably 1 to 10% by weight in the total aqueous solution of the composition. If the content is less than 1% by weight, there is a problem in that the coating property of the stain-resistant coating layer is lowered, and if the content exceeds 10% by weight, the coating film Crystallization is likely to occur due to an increase in thickness.

On the other hand, as a method of applying the stain-resistant coating composition on the outer surface of the emergency call device 300, it is preferable to apply it by a spray method. In addition, the final coating film thickness on the outer surface of the emergency call device 300 is preferably 900 to 2300 Å. If the thickness of the coating film is less than 900 Å, there is a problem of deterioration in the case of high-temperature heat treatment, and if it exceeds 2300 Å, there is a disadvantage in that crystallization of the coated surface is easy to occur.

In addition, the stain-resistant coating composition may be prepared by adding 0.1 mol of sulfolaurate and 0.05 mol of cocamidopropyl betaine to 1000 ml of distilled water, followed by stirring.

The reason why the ratio of the constituent components and the thickness of the coating film were numerically limited as described above was that the present inventors showed the optimal antifouling coating effect at the ratio as a result of analyzing the test results while repeating several failures.

A sound absorbing layer may be configured in the CCTV device 400.

Natural fiber non-woven fabric may be used as the sound-absorbing layer.

The thickness of the sound-absorbing layer is preferably 0.7 to 16 mm. If the thickness of the sound-absorbing layer is less than 0.7 mm, sufficient sound absorption effect is not obtained, and if it exceeds 16 mm, the space with the CCTV device 400 is not sufficiently secured, which is a disadvantage in that the temperature of the CCTV device 400 can be increased. don't

The unit weight of the sound-absorbing layer is preferably 15 to 700 g/m ² . If it is less than 15 g/m ² , a sufficient sound absorption effect is not obtained, and if it exceeds 700 g/m ² , it is not preferable because the light weight of the CCTV device 400 cannot be secured.

The fineness of the fibers constituting the sound-absorbing layer is preferably in the range of 0.7 to 23 decitex. If it is less than 0.7 decitex, it is not preferable because it is difficult to absorb low-frequency noise and the cushioning property is reduced, and if it exceeds 23 decitex, it is difficult to absorb high-frequency noise, so it is not preferable.

The tensile strength of the nonwoven fabric of the sound-absorbing layer is formed to be 9 Kgf/cm 2 , and the noise reduction coefficient (NRC) is formed to be 0,670.

Since the sound-absorbing layer is provided in the CCTV device 400, noise of the CCTV device 400 can be reduced.

The reason for limiting the components such as nonwoven fabric, thickness, weight, and fineness constituting the sound-absorbing layer and limiting the numerical value of the component ratio is that the present inventors have repeatedly failed several times and analyzed through test results, and as a result, the components and The optimal sound absorption effect was shown at the numerically defined ratio.

The surface of the remote control device 100 may be coated with a fragrance material for the environment mixed with a functional oil that helps a sterilization function and relieves a worker's stress.

The mixing ratio of the fragrance material and the functional oil is 3 to 5% by weight of the functional oil mixed with 95 to 97% by weight of the fragrance material, and the functional oil is Styrax oil 55% by weight, Sage oil It consists of 45% by weight.

Here, the functional oil is preferably mixed in an amount of 3 to 5% by weight based on the fragrance material. If the mixing ratio of the functional oil is less than 3% by weight, the effect is insignificant, and if the mixing ratio of the functional oil exceeds 3 to 5% by weight, the effect is not greatly improved, but economical efficiency is poor. Styrax oil is a balsam scent that purifies the mind psychologically and has an effect on headaches and depression, and sage oil has good effects on sterilization, insect repellent, and stress relief. Therefore, as the fragrant material mixed with these functional oils is coated on the surface of the remote control device 100, effects such as sterilizing the surface of the remote control device 100 and reducing worker's stress can be obtained. .

The reason for limiting the components and limiting the numerical value of the mixing ratio for the environmental fragrance material and functional oil is that the present inventors have repeatedly failed several times and analyzed the test results to find that the above components and numerically limited ratio are optimal showed the effect of

In addition, a shock absorber may be attached to the rear surface of the outer case of the remote control device 100 . Therefore, when an external shock is generated in the remote control device 100 installed on the wall, it absorbs and offsets it.

The shock absorbing part may be made of a rubber material, and the raw material content of the shock absorbing part is 65% by weight of rubber, 11% by weight of zinc diethyldithiocarbamate, 8% by weight of atactic polypropylene, and 10% by weight of carbon black. , 6% by weight of 3C (N-PHENYL-N'-ISOPROPYL-P-PHENYLENEDIAMINE).

Zinc diethyl dithiocarbamate is added to improve vulcanization acceleration, etc., atactic polypropylene is added to act as a softener, carbon black is added to increase or improve wear resistance, thermal conductivity, etc., and 3C (N -PHENYL-N'-ISOPROPYL- P-PHENYLENEDIAMINE) is added as an antioxidant,

Therefore, according to the present invention, elasticity, toughness, and rigidity of the shock absorbing portion are increased, so that durability is improved, and thus the life of the shock absorbing portion is increased.

The rubber material has a tensile strength of 158Kg/cm2 and an elongation of 615%.

The reason for limiting the components and components of the rubber material and limiting the numerical values of the mixing ratio is that, as a result of the inventor's analysis through test results while repeating several failures, the optimal effect in the constituent components and numerically limited ratios showed up

In the above, preferred embodiments according to the present invention have been shown and described. However, the present invention is not limited to the above-described embodiments, and various modifications can be made by anyone having ordinary knowledge in the technical field to which the present invention belongs without departing from the gist of the present invention appended within the scope of the claims. .

100: remote control device 110: first display unit
120: second display unit 130: third display unit
140: fourth display unit 150: fifth display unit
200: lift device 210: detection circuit unit
220: code generator 230: controller
300: emergency call device 400: CCTV device

Claims (5)

a plurality of lift devices transmitting operation information of each lift cage;
CCTV devices monitoring the operation status of each lift cage;
Emergency call devices installed in each lift cage; and
It includes a remote control device connected to the plurality of lift devices, CCTV devices, and emergency call devices through a communication network,
The remote control device displays the operation information of the lift cage transmitted from the plurality of lift devices, and when a specific lift cage is selected by the manager, it is connected to the emergency call device installed in the specific lift cage and at the same time, the CCTV device of the lift cage. Displays the driving situation image transmitted from
The emergency call device is installed with at least one button for operation, and when the button is operated by an operator, it is automatically connected to the remote control device and at the same time, the operation status of the lift cage in which the emergency call device is installed is installed in the remote control device. video is displayed,
The lift device includes at least one sensing circuit unit that monitors operation information of the lift cage, a code generation unit that generates an error code for whether or not an error has occurred in the lift cage based on a monitoring result of the sensing circuit unit, and a detection circuit unit and code generation unit. Controlling the operation of the unit, including a controller for transmitting the error code generated by the code generator to the remote control device,
The controller maintains the most recently received limit speed information of the lift cage until operation of the lift cage is terminated when an operation error occurs in at least one of the detection circuit unit and the code generation unit, and when re-operating, the preset safety limit is set. Limiting the operation of the lift cage at speed, but releasing the safety limit speed when at least one of the detection circuit unit and the code generation unit in which an operation error has occurred is reset or rebooted,
A stain-resistant coating layer made of a stain-resistant coating composition is applied to the outer surface of the emergency call device, and the stain-resistant coating composition contains sulfolaurate and cocamidopropyl betaine in a molar ratio of 1:0.01 to 1:2 and the total content of sulfolaurate and cocamidopropyl betaine is 1 to 10% by weight based on the total aqueous solution,
The CCTV device constitutes a sound-absorbing layer in which a natural fiber nonwoven fabric is used, the thickness of the sound-absorbing layer is 0.7 to 16 mm, the unit weight of the sound-absorbing layer is 15 to 700 g/m ² , and the fiber constituting the sound-absorbing layer The fineness of is in the range of 0.7 to 23 decitex, the tensile strength of the nonwoven fabric of the sound-absorbing layer is formed of 9Kgf / ㎠, the noise reduction coefficient (NRC) is formed of 0,670,
The surface of the remote control device is coated with an environmental fragrance material mixed with functional oil, and the mixing ratio of the fragrance material and the functional oil is 95 to 97% by weight of the fragrance material and 3 to 5% by weight of the functional oil is mixed. , The functional oil is composed of 55% by weight of Styrax oil and 45% by weight of Sage oil,
A shock absorber is attached to the rear surface of the outer case of the remote control device, and the shock absorber may be made of rubber. The raw material content of the shock absorber is 65% by weight of rubber and 11% by weight of zinc diethyldithiocarbamate. , 8% by weight of atactic polypropylene, 10% by weight of carbon black, 6% by weight of 3C (N-PHENYL-N'-ISOPROPYL-P-PHENYLENEDIAMINE) Bi-directional smart hoist integrated control system.
delete According to claim 1,
The remote control device displays weight information of objects transported to the lift cage, operation floor information and operation time information of the lift cage, and operation error information.
delete delete

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