CN111194293B - Method for renovating elevator - Google Patents

Abstract

The method for renewing an elevator comprises the following steps: replacing the old control panel with a new control panel; preparing a connecting tool which is composed of a plurality of terminal units, wherein the secondary terminal parts of the terminal units are independently allocated with pin numbers of the newly-arranged and old standard connectors and are connected with the newly-arranged and old standard connectors; cutting a plurality of signal lines of an old cable constituting old equipment from an existing old-specification connector of the old cable to separate the signal lines from the existing old-specification connector of the old cable, and independently connecting the signal lines to which pin numbers of the existing old-specification connector are independently assigned, with the primary terminal portions of the terminal units in correspondence with the pin numbers of the secondary terminal portions of the terminal units so that the pin numbers of the primary terminal portions and the secondary terminal portions of the terminal units coincide with each other; and connecting the new old standard connector connected to the connection tool with the new standard connector on the new elevator control substrate side of the new control panel via the relay harness, thereby bringing the old device into a state capable of communicating with the new elevator control substrate.

Description

Method for renovating elevator

Technical Field

The present invention relates to a method of modernizing an elevator in which at least a part of equipment of an existing elevator is modernized.

Background

In order to cope with the aging of equipment or to improve performance such as energy saving, an existing elevator is refurbished by replacing it with a new one. In addition, during the renovation work of the elevator, it is necessary to continuously stop the operation of the elevator for a long time.

Therefore, especially in apartments and hospitals, where the number of elderly people is large, long-term suspension of elevators becomes a major obstacle to renovation. Therefore, in retrofitting an elevator, it is desired to shorten the elevator continuous suspension period as much as possible in consideration of user convenience.

Here, in order to shorten the elevator continuous suspension period, an elevator control device is proposed (for example, see patent document 1), which includes: a new transmission control unit for performing a new serial transmission mode in which at least a data transmission rate is different from an old serial transmission mode; and a new-old transmission conversion section including: a new transmission control CPU connected to the new transmission control unit; an old transmission control CPU connected to an old transmission control unit of an old serial transmission scheme provided on the layer station side; and a dual port memory connected to both the new transmission control CPU and the old transmission control CPU, for storing the data of the old serial transmission scheme transmitted from the old transmission conversion section on the landing side by the old transmission control CPU and holding the stored data so as to be accessible from the new transmission control section via the new transmission control CPU, and for storing the data of the new serial transmission scheme transmitted from the new transmission control section by the new transmission control CPU and holding the stored data so as to be accessible from the old transmission conversion section on the landing side via the old transmission control CPU.

Documents of the prior art

Patent document

Patent document 1: japanese patent No. 5851263

Disclosure of Invention

Problems to be solved by the invention

However, the method for renewing an elevator using the elevator control device described in patent document 1 has a problem that it is not possible to contribute to shortening the elevator continuous suspension period in renewing an existing elevator by using a member used in the existing elevator without replacing it, thereby shortening the time required for renewing an elevator control panel.

The renovation method of the elevator of the invention renovates at least one part of the equipment of the existing elevator, wherein, the renovation method of the elevator comprises the following procedures: replacing an old control panel with a new control panel, the old control panel having an old elevator control substrate communicating with old equipment including at least one of old landing equipment and old car equipment in an old communication manner, the new control panel having a new elevator control substrate communicating with new equipment including at least one of new landing equipment and new car equipment in a new communication manner; preparing a connecting tool (jig) composed of a plurality of terminal units, each of the terminal units having a primary terminal portion and a secondary terminal portion electrically connected to the primary terminal portion, the secondary terminal portions of the terminal units being individually assigned pin numbers of a new-and-old-specification connector and being connected to the new-and-old-specification connector; cutting a plurality of signal lines of an old cable constituting old equipment from an existing old-specification connector of the old cable to separate the signal lines from the existing old-specification connector of the old cable, and independently connecting the signal lines to which pin numbers of the existing old-specification connector are independently assigned, with the primary terminal portions of the terminal units in correspondence with the pin numbers of the secondary terminal portions of the terminal units so that the pin numbers of the primary terminal portions and the secondary terminal portions of the terminal units coincide with each other; and connecting the new old standard connector connected to the connection tool with the new standard connector on the new elevator control substrate side via the relay harness, thereby bringing the old device into a state in which it can communicate with the new elevator control substrate.

Effects of the invention

According to the present invention, it is possible to obtain a method of modernizing an elevator that shortens a continuous elevator suspension period during a modernization process in which at least a part of equipment of an existing elevator is modernized.

Drawings

Fig. 1 is a configuration diagram showing an elevator apparatus to which a method for modernizing an elevator according to embodiment 1 of the present invention is applied.

Fig. 2 is an explanatory diagram showing the contents of renovation and the main replacement equipment in each division work step in the method for renovating an elevator according to embodiment 1 of the present invention.

Fig. 3 is a block diagram showing an initial state of an elevator apparatus to which the method for retrofitting an elevator according to embodiment 1 of the present invention is applied.

Fig. 4 is a block diagram showing a state after the control panel is replaced in the elevator apparatus to which the method for renewing the elevator according to embodiment 1 of the present invention is applied.

Fig. 5 is a hardware configuration diagram showing a communication conversion board in an elevator control panel according to embodiment 1 of the present invention.

Fig. 6 is an explanatory diagram showing a method of connecting an old standard connector of an old cable to a relay harness in an elevator control panel according to embodiment 1 of the present invention.

Fig. 7 is an explanatory diagram showing a method of connecting a plurality of signal lines connected to new-specification connectors of a relay harness to a plurality of signal lines constituting old cables in an elevator control panel according to embodiment 1 of the present invention.

Fig. 8 is an explanatory diagram showing a method of connecting an old cable to a communication conversion board using a connection tool in an elevator control panel according to embodiment 1 of the present invention.

Fig. 9 is a perspective view showing an example of the connection tool of fig. 8.

Fig. 10 is a perspective view showing another example of the connection tool of fig. 8.

Fig. 11 is an explanatory view showing a method of connecting an old cable to a new elevator control board using a connection tool in an elevator control panel according to embodiment 1 of the present invention.

Fig. 12 is a block diagram showing the states after replacement of a hall device and a car device in an elevator apparatus to which the method for retrofitting an elevator according to embodiment 1 of the present invention is applied.

Fig. 13 is a block diagram showing another example of the state after the control panel is replaced in the elevator apparatus to which the method for renewing the elevator according to embodiment 1 of the present invention is applied.

Fig. 14 is an explanatory view showing a method of connecting an old cable to a communication conversion board using a connection tool in an elevator sub disc according to embodiment 1 of the present invention.

Detailed Description

Hereinafter, preferred embodiments of the method for renewing an elevator according to the present invention will be described with reference to the drawings, and the same or corresponding parts will be described with the same reference numerals in the drawings. In addition, hereinafter, the elevator control panel is also referred to simply as a control panel, and the elevator sub-panel is also referred to simply as a sub-panel. Further, "communication" used in the embodiments refers to transmission and reception of various signals including a control signal, a voltage signal, a current signal, and the like.

Embodiment 1.

Fig. 1 is a configuration diagram showing an elevator apparatus to which a method for modernizing an elevator according to embodiment 1 of the present invention is applied. In fig. 1, a machine room 1 is provided with a hoisting machine 2 including a hoisting motor, a control panel 3, and a speed governor 4. The hoistway 5 is provided with a car 6, a counterweight 7, a main rope 8 connecting the car 6 and the counterweight 7, a guide rail 9, and a terminal switch 10. The car 6 is provided with a door drive device 11 including a door motor and a car operating panel 12. A landing operating panel 14 is provided at the landing 13. A buffer 16 is provided in the pit 15. The control panel 3 is connected to an on-car station (on-car station)18 by a traveling cable 17, and the on-car station 18 is connected to the car device. The on-car station 18 has a function of controlling opening and closing of doors and a function of relaying with other car devices.

Here, the car device is car peripheral equipment such as the door driving device 11, the car operating panel 12, and the on-car station 18. The landing equipment refers to peripheral equipment such as the landing operating panel 14. The hoistway equipment refers to the end switch 10 and a hoistway cable and the like not shown in fig. 1.

In embodiment 1 of the present invention, an elevator control panel capable of controlling hoisting machines and the like of both old and new parties has been developed in order to shorten an elevator continuation suspension period in a refurbishing process period of an elevator, divide the refurbishing process into a plurality of division steps, and enable the elevator to be used after each division step is completed.

That is, in order to shorten the elevator continuous suspension period in the refresh operation period of the elevator, it is premised that the elevator can be used at the time when each division work step of the refresh operation is completed. For example, in an apartment, it is necessary to be able to use an elevator in a morning and evening time zone where there are many users such as commutes and commutes, and in a dining and renting building, it is necessary to be able to use an elevator in a business time zone such as evening and night.

Therefore, a work time that can be secured for one day is set, and the work content to be completed within the time is set for each divided construction step based on the result of analyzing the work content and the time required for each work. That is, the contents of the refurbishment process are divided into a series of divided steps in units of a state in which the elevator can always be normally operated after each divided step is completed. Further, a refurbishment process is performed according to a series of division construction steps. Here, the contents of the renovation of each division work step and the main replacement equipment are as shown in fig. 2. Fig. 2 is an explanatory diagram showing the contents of renovation and the main replacement equipment in each division work step in the method for renovating an elevator according to embodiment 1 of the present invention. In fig. 2, it is understood that the refurbishment process is mainly divided into 5 division steps, but each division step is required to be further divided according to the specification of the elevator.

Specifically, in a series of divided construction steps in which old equipment and new equipment are replaced, a refurbishment process is performed by dividing the series of divided construction steps into divided construction step groups in which time periods in which elevators can be used are set. The time period in which the elevator can be used is determined according to the frequency of starting the elevator before the refurbishment and the use of the building. In addition, the refurbishment work can be performed by dividing the work time which can be ensured in at least one day and by using the divided construction step group of the elevator after the work is completed. That is, regarding the series of division work steps, the respective division work steps are further divided so as to be able to be completed in a series of work times that can be continuously secured in each refurbishment work day in the refurbishment work period. That is, there are a normal operation mode and an installation operation mode, and each time each divided construction step is completed, the installation operation mode is switched to the normal operation mode, so that the elevator can be serviced (serviced), and normal operation of the elevator by passengers can be performed.

(renewing method)

Next, a method for retrofitting an elevator according to embodiment 1 of the present invention will be described with reference to fig. 3 to 14 together with fig. 1 and 2. Fig. 3 is a block diagram showing an initial state of an elevator apparatus to which the method for retrofitting an elevator according to embodiment 1 of the present invention is applied.

In fig. 3, in the initial state of the elevator apparatus, the old landing device 200 and the old car device 300 are connected to the old control panel 100 before replacement by the old serial communication method. The old control panel 100 includes an old elevator control board 110 that controls operations of the old landing devices 200, the old car devices 300, the old hoisting machine, and the like, which are not shown.

(division construction step 1: machine room reconditioning)

Here, in this elevator apparatus, the elevator control panel is replaced by the division construction step 1 shown in fig. 2. That is, in the division construction step 1, the old control panel of the existing elevator is replaced with the new control panel. Fig. 4 is a block diagram showing a state after the control panel is replaced in the elevator apparatus to which the method for renewing the elevator according to embodiment 1 of the present invention is applied.

In addition, the reason why the elevator control panel is replaced first in the division construction step 1 is that when the landing equipment or the car equipment is replaced first, information exchange with these equipment increases, and thus it is difficult to deal with the existing elevator control panel, and it is necessary to modify the existing elevator control panel. Therefore, by replacing the elevator control panel first in the division construction step 1, even if the landing equipment or the car equipment is replaced later, it is possible to deal with the elevator control panel that was replaced first.

In fig. 4, the old control panel 100 is replaced with a new control panel 100A. The old landing devices 200 and the old car devices 300 are connected to the new control panel 100A. The new control panel 100A includes a new elevator control board 110A instead of the old elevator control board 110 shown in fig. 3.

The new elevator control board 110A has not only a function of controlling the operations of the new landing equipment, the new car equipment, the new hoisting machine, and the like, which will be described later, but also a function of controlling the operations of the old landing equipment 200, the old car equipment 300, the old hoisting machine, and the like by changing parameter settings in accordance with each of the divided construction steps shown in fig. 2.

However, since the new elevator control board 110A and the new car device communicate with each other by a new serial communication method, for example, a CAN (Controller Area Network) communication method, and the new serial communication method CAN transmit and receive data having a larger capacity than the old serial communication method, the new elevator control board 110A and the old car device 300 cannot directly communicate with each other. Here, the communication speed is 4800bps as an example of the old serial communication method, and 122.88kbps as an example of the CAN communication method, and the data transmission speed of the new serial communication method is about 10 times or more as high as that of the old serial communication method.

In addition, since the CAN communication system CAN communicate a large amount of data as compared with the old serial communication system, the display device mounted on the new car device has an effect of enabling a larger-capacity display than the display device mounted on the old car device. In addition, a touch car operation function integrated with a display device, for example, which is not available in the old car device can be realized by the new car device.

Specific contents of the communication between the new elevator control board 110A and the old car device 300 include status information of the door driving device 11, a display command of the car operating panel 12, operation information of buttons and switches of the car operating panel 12, a broadcast command, and the like.

Therefore, the new control panel 100A further includes a communication conversion board 120A as a communication conversion unit, and the communication conversion board 120A mutually converts the communication method between the old serial communication method and the new serial communication method (CAN communication method). Fig. 5 is a hardware configuration diagram showing a communication conversion board in an elevator control panel according to embodiment 1 of the present invention. In fig. 5, the communication conversion board 120A includes a CPU121, a RAM122, a serial input/output section 123, and a parallel input/output section 124. In addition, fig. 5 illustrates a case where the communication conversion substrate 120A is configured by one CPU and one memory.

The serial input/output unit 123 is used for inputting a serial signal to the communication conversion board 120A or outputting a serial signal from the communication conversion board 120A. The parallel input/output unit 124 is used to input a parallel signal to the communication conversion board 120A or output a parallel signal from the communication conversion board 120A.

In embodiment 1, as described above, the case where the communication conversion board 120A mutually converts the communication method between the old serial communication method and the new serial communication method so that the new elevator control board 110A communicates with the old car device 300 is exemplified. In this case, the serial signal is input from the old car device 300 to the serial input/output unit 123, or the serial signal is output from the serial input/output unit 123 to the old car device 300.

The CPU121 converts the data format from the new elevator control board 110A into data corresponding to the old car device 300, and stores the data in the RAM 122. Further, the CPU121 converts the data format from the old car device 300 into data corresponding to the new elevator control board 110A, and stores the data in the RAM 122. The format refers to a data structure such as a bit number.

The CPU121 also extracts and outputs the format-converted data from the RAM122 in response to a request from the new elevator control board 110A, and extracts and outputs the format-converted data from the RAM122 in response to a request from the old car device 300. Thereby, the new elevator control board 110A and the old car device 300 can communicate with each other via the communication conversion board 120A.

Further, by using the communication conversion substrate 120A, for example, even in the case where the transmission cycle cannot be changed, since the communication speed increases, the amount of data that can be transmitted per cycle also increases. Further, the error check function can be enhanced by increasing the data amount.

In embodiment 1, the case where the communication conversion board 120A is applied to the old car device 300 whose communication method is the serial communication method is exemplified, but the communication conversion board 120A can also be applied to the old car device whose communication method is the parallel communication method.

When the communication conversion board 120A is applied to the old car device of the parallel communication method, the communication conversion board 120A mutually converts the communication method between the old parallel communication method and the new serial communication method. In this case, the parallel signal is input from the old car device to the parallel input/output unit 124, or the parallel signal is output from the parallel input/output unit 124 to the old car device. The process of mutually converting the communication scheme between the old parallel communication scheme and the new serial communication scheme is the same process as the process described above of mutually converting the communication scheme between the old serial communication scheme and the new serial communication scheme.

Further, depending on the configuration of the elevator apparatus, it is also conceivable that the communication conversion board 120A is configured to convert the communication method between the old serial communication method and the new parallel communication method, or to convert the communication method between the old parallel communication method and the new parallel communication method.

As described above, as a system for the old elevator control board 110 to communicate with the old equipment, that is, as an old communication system, a serial communication system or a parallel communication system can be considered. As a method of communicating with the new device, that is, a new communication method, the new elevator control board 110A may be a serial communication method or a parallel communication method.

The communication conversion board 120A is provided to be attachable to and detachable from the new control board 100A. That is, after the replacement hall device and the car device described later, these devices can directly communicate with the new elevator control board 110A without passing through the communication conversion board 120A, and therefore the communication conversion board 120A is not necessary.

Therefore, by detaching the communication conversion board 120A from the new control panel 100A, the communication conversion board 120A can be reused at another site, and the cost can be reduced.

Here, the old car device 300 is exemplified as being in a state in which it can communicate with the new elevator control board 110A via the communication conversion board 120A, but the present invention is not limited thereto. That is, the old landing device 200 may be brought into a state in which it can communicate with the new elevator control board 110A via the communication conversion board 120A, as necessary. In addition, old devices that can be brought into a state in which communication with the new elevator control board 110A is possible without using the communication conversion board 120A can be connected to the new elevator control board 110A without passing through the communication conversion board 120A.

In this way, the old devices including at least one of the old landing devices 200 and the old car devices 300, which were once in a state in which communication with the old control panel 100 is possible, are brought into a state in which communication with the new elevator control board 110A is possible via the communication changeover board 120A provided in the new control panel 100A.

As described above, after the step of replacing the old control panel of the existing elevator with the new control panel, the new elevator control board 110A can communicate with the old equipment via the communication conversion board 120A. As a result, the old landing facilities 200 and the old car facilities 300 can be controlled by the new elevator control board 110A, and as a result, the normal operation of the elevator for passengers can be performed. Therefore, the passenger can use the elevator between the steps of the refurbishment work, and therefore the elevator continuous suspension period in the refurbishment work period of the elevator can be shortened.

Next, the use of old cables for the old landing facility 200 and the old car facility 300 performed in the division construction step 1 will be described. The old cable is configured by bundling a plurality of signal lines. The signal lines of the old cable are either serial signal lines or parallel signal lines. In other words, each signal line of the old cable of the old device whose communication method is the serial communication method is a serial signal line, and each signal line of the old cable of the old device whose communication method is the parallel communication method is a parallel signal line.

In the divisional construction step 1, the old installation cables are also used in correspondence with the old landing installation 200 and the old car installation 300. That is, the old wire of the old landing device 200 that was connected to the old control panel 100 is connected to the new elevator control board 110A. In addition, the old cable of the old car device 300 that was connected to the old control panel 100 is connected to the communication conversion board 120A.

However, the old standard connector of the old cable of the old landing device 200 and the new standard connector connected to the new elevator control board 110A of the new control panel 100A are different from each other in type, pin assignment, and the like, and therefore cannot be directly connected. Similarly, the old standard connector of the old cable of the old car system 300 and the new standard connector connected to the communication conversion board 120A of the new control panel 100A are different from each other in the kind, pin assignment, and the like, and thus cannot be directly connected.

Therefore, as shown in fig. 6, the relay harness 140A having the female new standard connector 141A and the female old standard connector 142A is provided in the new control panel 100A. Fig. 6 is an explanatory diagram showing a method of connecting an old standard connector of an old cable to a relay harness in an elevator control panel according to embodiment 1 of the present invention.

In fig. 6, in the relay harness 140A, a female new specification connector 141A and a female old specification connector 142A are connected. The female-side new-format connector 141A of the relay harness 140A can be connected to the male-side new-format connector 130A connected to the communication conversion board 120A. The female old standard connector 142A of the relay harness 140A can be connected to the male old standard connector 410 connected to the old cable.

In the division construction step 1, after the old control panel 100 is replaced with the new control panel 100A, the old specification connector of the old control panel 100 is disconnected from the old specification connector 410 of the old cable, and the relay harness 140A is attached to the new control panel 100A. Then, the new specification connector 130A and the new specification connector 141A are connected, and the old specification connector 410 and the old specification connector 142A are connected.

As a result, the old cable, which was connected to the old control panel 100, is connected to the communication conversion board 120A, and the new elevator control board 110A is in a state in which communication with the old car device 300 is possible via the communication conversion board 120A.

Here, a case is considered in which the old standard connector 410 of the old cable cannot be used when connecting the old cable to the new control panel 100A. For example, if the old standard connector of the old control panel 100 and the old standard connector 410 of the old cable cannot be disconnected due to aged use of the connectors, the old standard connector 410 cannot be used. As another example, if there is a restriction on the engineering time and the time for disconnecting the old standard connector of the old control panel 100 from the old standard connector 410 cannot be secured, the old standard connector 410 cannot be used.

When the old format connector 410 cannot be used, as shown in fig. 7, the plurality of signal lines constituting the old cable are cut off from the old format connector 410, and the plurality of signal lines are separated from the old format connector 410. Fig. 7 is an explanatory diagram showing a method of connecting a plurality of signal lines connected to new-specification connectors of a relay harness to a plurality of signal lines constituting old cables in an elevator control panel according to embodiment 1 of the present invention.

Then, in the relay harness 140A, the plurality of signal lines connecting the new specification connector 141A and the old specification connector 142A are cut off, and the plurality of signal lines connected to the new specification connector 141A and the plurality of signal lines constituting the old cable are connected by the crimp terminals or the like in correspondence to each other. Hereinafter, the plurality of signal lines constituting the old cable are referred to as old cable signal lines, and the plurality of signal lines connected to the new-format connector 141A are referred to as new-format connector signal lines.

As a result, the old cable connected to the old control panel 100 is connected to the communication conversion board 120A, and the new elevator control board 110A is in a state in which communication with the old car device 300 is possible via the communication conversion board 120A.

However, according to the above method, the old cable signal line and the new-specification connector signal line are connected in correspondence with each other, and therefore, when the old cable is connected to the communication conversion board 120A of the new control panel 100A, there is a possibility that the work is troublesome. That is, for the connection of the old cable signal line and the new specification connector signal line, there is a possibility that it takes time to find the corresponding line or that the lines not corresponding are connected erroneously.

Therefore, as shown in fig. 8, the old cable is connected to the communication conversion board 120A using a connection tool 430 including a plurality of terminal units 431 each having a primary terminal portion and a secondary terminal portion. Fig. 8 is an explanatory diagram showing a method of connecting an old cable to a communication conversion board using a connection tool in an elevator control panel according to embodiment 1 of the present invention. When each of the plurality of terminal units 431 is divided, the reference numerals of the terminal units are denoted by 431(1), 431(2), … …, and 431 (N).

The secondary terminal portion of each terminal unit 431 is independently assigned with the pin number of the newly-installed old standard connector 420, and is connected to the pin of the assigned pin number of the old standard connector 420. For example, the secondary terminal portion of terminal unit 431(1) is connected to pin 1 of old standard connector 420, and the secondary terminal portion of terminal unit 431(2) is connected to pin 2 of old standard connector 420.

The primary terminal portion of each terminal unit 431 is connected to an old cable signal line to which the pin number of the existing old standard connector 410 is independently assigned, so that the pin numbers of the primary terminal portion and the secondary terminal portion of each terminal unit 431 match. For example, the primary terminal portion of terminal unit 431(1) having the secondary terminal portion connected to pin 1 of old standard connector 420 is connected to a signal line which was connected to pin 1 of old standard connector 410, and the primary terminal portion of terminal unit 431(2) having the secondary terminal portion connected to pin 2 of old standard connector 420 is connected to a signal line which was connected to pin 2 of old standard connector 410.

Next, a procedure of a method of connecting the old standard connector 420 connected to the connection tool 430 to the relay harness 140A will be described.

First, a connection tool 430 is prepared, and the secondary terminal portions of the terminal units 431 of the connection tool 430 are individually assigned with the pin numbers of the old specification connector 420 and connected to the old specification connector 420.

Next, the corresponding pin number of the old standard connector 410 is assigned to each signal line of the old cable signal line connected corresponding to each pin number of the old standard connector 410. Specifically, each signal line is marked so that the corresponding pin number can be known. For example, a signal line connected to pin No. 1 of the old standard connector 410 is marked so as to be known as pin No. 1, and a signal line connected to pin No. 2 of the old standard connector 410 is marked so as to be known as pin No. 2.

After the above-described marking is performed on all the signal lines of the old cable signal lines, the old cable signal lines are cut from the old specification connector 410, thereby separating the old cable signal lines from the old specification connector 410.

Next, each signal line of the old cable signal line marked so that the pin number of the old standard connector 410 can be known is connected to the primary terminal portion of each terminal unit 431 so that the pin numbers of the primary terminal portion and the secondary terminal portion of each terminal unit 431 are matched. For example, a signal line marked as "1" is connected to a primary terminal portion of a terminal unit 431(1), and the terminal unit 431(1) has a secondary terminal portion connected to pin No. 1 of the old standard connector 420. The signal line marked as No. 2 is connected to the primary terminal portion of terminal unit 431(2), and terminal unit 431(2) has a secondary terminal portion connected to pin No. 2 of old standard connector 420. Thus, the pin numbers of the primary terminal portion and the secondary terminal portion of each terminal unit 431 match.

By executing the above steps, each signal line of the old cable signal line can be connected to the old specification connector 420 via the connection tool 430 so that the pin number of the old specification connector 420 corresponds to the pin number of the old specification connector 410.

Here, a configuration example of the connection tool 430 will be described with reference to fig. 9 and 10. Fig. 9 is a perspective view showing an example of the connection tool of fig. 8. Fig. 10 is a perspective view showing another example of the connection tool of fig. 8.

Note that the communication method of the old device of the connection tool 430 shown in fig. 8 to 10 is the same regardless of the serial communication method or the parallel communication method. In particular, fig. 10 illustrates a connection tool 430 for legacy equipment in which the communication method is a parallel communication method. In addition, the number of terminal units 431 of the connection tool 430 for the old device whose communication method is the serial communication method may be smaller than the number of terminal units 431 of the connection tool 430 shown in fig. 10.

As an example of the configuration of the connection tool 430, as shown in fig. 9, a configuration in which the terminal unit 431 is a so-called terminal block is considered. That is, the connecting tool 430 shown in fig. 9 has a plurality of terminal units 431, and each terminal unit 431 is attached to a rail 434. Each terminal unit 431 has a primary terminal portion 432 and a secondary terminal portion 433 that is electrically connected to the primary terminal portion 432. The primary terminal portion 432 of each terminal unit 431 is connected to a corresponding signal line of the old cable signal line, and the secondary terminal portion 433 of each terminal unit 431 is connected to a corresponding pin of the old standard connector 420.

As another example of the configuration of the connection tool 430, as shown in fig. 10, a configuration in which the terminal unit 431 is a so-called one-touch connector (one-touch connector) is considered. That is, the connection tool 430 shown in fig. 10 includes a plurality of terminal units 431, and each terminal unit 431 includes a primary terminal portion 432 and a secondary terminal portion 433 that is electrically connected to the primary terminal portion 432. The primary terminal portion 432 of each terminal unit 431 is connected to a corresponding signal line of the old cable signal line, and the secondary terminal portion 433 of each terminal unit 431 is connected to a corresponding pin of the old standard connector 420.

Returning to the explanation of fig. 8, the relay harness 140A is attached to the new control panel 100A, the new specification connector 130A and the new specification connector 141A are connected, and the old specification connector 420 and the old specification connector 142A are connected.

Thus, the connecting tool 430 is prepared in which the secondary terminal portions of the terminal units 431 of the connecting tool 430 are individually assigned with the pin numbers of the old specification connector 420 (new old specification connector) and connected to the old specification connector 420 (new old specification connector). The plurality of signal lines constituting the old cables are cut from the old standard connector 410 (existing old standard connector) of the old cable and separated from the old standard connector 410 (existing old standard connector) of the old cable.

Next, a plurality of signal lines to which pin numbers of the old standard connector 410 (existing old standard connector) are independently assigned are independently connected to the primary terminal portion of each terminal unit 431 in correspondence so that the pin numbers of the primary terminal portion and the secondary terminal portion of each terminal unit 431 match. The old specification connector 420 (new old specification connector) connected to the connection tool 430 is connected to the new specification connector 130A of the communication conversion board 120A via the relay harness 140A.

Therefore, even when the old standard connector 410 cannot be used, the operation of connecting the old cable to the communication conversion board 120A of the new control panel 100A can be easily performed.

As a result, the old cable, which was once connected between the old device and the old control panel 100, is connected to the communication conversion board 120A, and the new elevator control board 110A is in a state in which communication with the old device is possible via the communication conversion board 120A.

When the new control panel 100A and the old car device 300 are connected by the old cable, the new elevator control board 110A switches from the new serial communication method to the old serial communication method via the communication switch board 120A and the old cable, so that the old car device 300 can be controlled by the old serial communication method. In addition, the new elevator control board 110A can perform a normal operation in which passengers use the elevator by controlling the old car facility 300 through the communication conversion board 120A.

In the above description, a method of connecting the old cable of the old car facility 300 to the communication conversion board 120A is described, and a method of connecting the old cable of the old landing facility 200 to the new elevator control board 110A is also the same as the method shown in fig. 8.

That is, as shown in fig. 11, the old cable of the old landing device 200 is connected to the new elevator control board 110A using the connection tool 430. Fig. 11 is an explanatory view showing a method of connecting an old cable to a new elevator control board using a connection tool in an elevator control panel according to embodiment 1 of the present invention.

A connecting tool 430 is prepared in which the secondary terminal portions of the terminal units 431 of the connecting tool 430 are individually assigned pin numbers of the old specification connector 420 (new old specification connector) and connected to the old specification connector 420 (new old specification connector). The plurality of signal lines constituting the old cables are cut from the old standard connector 410 (existing old standard connector) of the old cable and separated from the old standard connector 410 (existing old standard connector) of the old cable.

Next, a plurality of signal lines to which pin numbers of the old standard connector 410 (existing old standard connector) are independently assigned are independently connected to the primary terminal portion of each terminal unit 431 in correspondence so that the pin numbers of the primary terminal portion and the secondary terminal portion of each terminal unit 431 match. The old standard connector 420 (new old standard connector) connected to the connection tool 430 is connected to the new standard connector 130A of the new elevator control board 110A via the relay harness 140A.

Therefore, even when the old standard connector 410 cannot be used, the operation of connecting the old cable to the new elevator control board 110A of the new control panel 100A can be easily performed.

As a result, the old cable that was once connected between the old device and the old control panel 100 is connected to the new elevator control board 110A, and the new elevator control board 110A is in a state in which communication with the old device is possible.

When the new control panel 100A and the old hall device 200 are connected by the old cable, the new elevator control board 110A can perform a normal operation of the elevator for passengers by controlling the old car device 300.

(division construction step 2: car overhaul) and (division construction step 3: hoistway/landing overhaul)

Next, in this elevator apparatus, the car device and the landing device/hoistway device are replaced by the division construction step 2 and the division construction step 3 shown in fig. 2. In this case, either of the division construction step 2 and the division construction step 3 may precede. Fig. 12 is a block diagram showing the states after replacement of a hall device and a car device in an elevator apparatus to which the method for retrofitting an elevator according to embodiment 1 of the present invention is applied.

In fig. 12, the old landing apparatus 200 and the old car apparatus 300 are replaced with a new landing apparatus 200A and a new car apparatus 300A, respectively, whereby the new landing apparatus 200A and the new car apparatus 300A are connected to the new control panel 100A.

By the division construction step 2, the old car device 300 is replaced with the new car device 300A. At this time, in the state shown in fig. 8, the old cable, the connection tool 430, the old standard connector 420, the relay harness 140A, the new standard connector 130A, and the communication switching board 120A are detached from the new control panel 100A, and the new standard connector of the new cable is connected to the new standard connector 150A of the new elevator control board 110A. That is, the old cable is replaced with a new cable, and the new control panel 100A and the new car device 300A are connected by the new cable. Thereby, the new elevator control board 110A communicates with the new car device 300A via the new cable by the new serial communication method.

When the new control panel 100A is connected to the new car device 300A by a new cable, the new control panel 100A can control the new car device 300A.

By dividing the construction step 3, the old landing device 200 is replaced with a new landing device 200A. At this time, in the state shown in fig. 11, the old cable, the connection tool 430, the old standard connector 420, and the relay harness 140A are detached from the new control panel 100A, and the new standard connector of the new cable is connected to the new standard connector 130A of the new elevator control board 110A. That is, the old cable is replaced with a new cable, and the new control panel 100A and the new layer station apparatus 200A are connected by the new cable. Thereby, the new elevator control board 110A communicates with the new landing device 200A via the new cable by the new serial communication method.

When the new control panel 100A is connected to the new landing apparatus 200A by a new cable, the new control panel 100A can control the new car apparatus 300A.

In this way, the new elevator control board 110A communicates with a new device including at least one of the new landing device 200A and the new car device 300A by a new communication method. The new elevator control board 110A is configured to be able to communicate with a new device via a new cable.

(division construction step 4: traction machine replacement) and (division construction step 5: earthquake-resistant engineering)

Next, the hoisting machine is replaced for the elevator apparatus by the dividing construction step 4 shown in fig. 2. That is, in the division construction step 1, the old control panel 100 is replaced with the new control panel 100A, in the division construction step 2 and the division construction step 3, the old car device 300 and the old landing device 200 are replaced with the new car device 300A and the new landing device 200A, respectively, and then, in the division construction step 4, the old hoisting machine is replaced with the new hoisting machine.

Further, as the division construction step 5, the renovation of the elevator is completed by performing the earthquake resistant work as necessary.

In the above, a typical refresh method from the division construction step 1 to the division construction step 5 is explained.

In embodiment 1, a communication conversion board 120A is provided on the new control board 100A. However, as shown in fig. 13 and 14, the above-described method of connecting the old cable to the communication conversion board 120A, that is, the method shown in fig. 8 can be applied to the configuration in which the communication conversion board 120A is provided in the sub disc 500 that is separate from the new control disc 100A. Fig. 13 is a block diagram showing another example of the state after the control panel is replaced in the elevator apparatus to which the method for renewing the elevator according to embodiment 1 of the present invention is applied. Fig. 14 is an explanatory diagram showing a method of connecting an old cable to a communication conversion board using a connection tool in an elevator control panel according to embodiment 1 of the present invention.

In fig. 13, in the division construction step 1, a sub disc 500 which is separate from the new control disc 100A and on which the communication conversion board 120A is provided is newly provided. The new elevator control board 110A provided in the new control board 100A is connected to the communication conversion board 120A provided in the sub-board 500. The old landing device 200 and the old car device 300 are connected to the communication conversion board 120A.

In fig. 14, the secondary terminal portions of the terminal units 431 are individually assigned with the pin numbers of the newly-installed old-specification connector 420 and connected to the old-specification connector 420. The primary terminal portion of each terminal unit 431 is connected to an old cable signal line to which the pin number of the existing old standard connector 410 is independently assigned, so that the pin numbers of the primary terminal portion and the secondary terminal portion of each terminal unit 431 match.

The relay harness 140A is attached to the sub tray 500, the new specification connector 130A and the new specification connector 141A are connected, and the old specification connector 420 and the old specification connector 142A are connected. Thus, the old cable that was connected between the old device and the old control board 100 is connected to the communication conversion board 120A.

Therefore, the new elevator control board 110A provided in the new control panel 100A is in a state in which communication with the old equipment is possible via the communication changeover board 120A provided in the sub-panel 500.

In this way, the above-described method of connecting the old cable to the communication conversion board 120A can be applied to the form in which the communication conversion board 120A is provided on the sub disc 500. Further, if the auxiliary disk 500 is not required, the auxiliary disk 500 can be removed from the site and reused for a refurbishment work at another site, and as a result, costs can be reduced and resource saving measures can be taken.

Here, the case where the old car device 300 and the old landing device 200 are allowed to communicate with the new elevator control board 110A via the communication conversion board 120A provided in the auxiliary board 500 is exemplified, but the present invention is not limited thereto. That is, even if the old device can be brought into a state in which communication with the new control panel 100A is possible without using the communication conversion board 120A, the old device can be connected to the new elevator control board 110A without passing through the communication conversion board 120A provided in the sub-panel 500. In this way, the old device including at least one of the old landing device 200 and the old car device 300, which was in a state in which communication with the old control panel 100 was possible, is brought into a state in which communication with the new elevator control board 110A is possible via the communication conversion board 120A provided in the sub-panel 500.

As is apparent from fig. 8, 11, and 14, the old device can be brought into a state in which it can communicate with the new elevator control board 110A by connecting the old standard connector 420 connected to the connection tool 430 to the new standard connector 130A on the new elevator control board 110A side via the relay harness 140A. In fig. 8 and 14, a case where the new specification connector 130A on the new elevator control board 110A side is connected to the communication conversion board 120A is exemplified. Fig. 11 illustrates a case where the new standard connector 130A on the new elevator control board 110A side is connected to the new elevator control board 110A.

As described above, according to embodiment 1, the method for renewing an elevator includes at least the following steps a to D.

(Process A)

The old control panel is replaced by a new control panel, the old control panel is provided with an old elevator control substrate which communicates with the old equipment through the old communication method, and the new control panel is provided with a new elevator control substrate which communicates with the new equipment through the new communication method.

(Process B)

The following connection tools were prepared: the connecting tool is composed of a plurality of terminal units, and the secondary terminal portions of the terminal units are individually assigned with pin numbers of the newly-installed and old standard connector and connected with the newly-installed and old standard connector.

(Process C)

A plurality of signal lines of an old cable constituting old equipment are cut off from an existing old-specification connector of an old cable and separated from the existing old-specification connector of the old cable, and the plurality of signal lines to which pin numbers of the existing old-specification connector are independently assigned are independently connected to the primary terminal portion of each terminal unit so that the pin numbers of the primary terminal portion and the secondary terminal portion of each terminal unit are matched.

(Process D)

The old device is brought into a state in which it can communicate with the new elevator control board by connecting the new old standard connector connected to the connection tool to the new standard connector on the new elevator control board side via the relay harness.

This can shorten the elevator continuous suspension period in the renovation work period in which at least some of the devices of the existing elevator are renovated. In addition, even when the old cable cannot be used as the old standard connector when the old cable is used, the operation of connecting the old cable to the communication conversion board or the elevator control board can be easily performed by using the connecting tool as the backup (backup) unit.

In the above-described embodiment, the present invention is applied to the case where the old car device is replaced with the new car device and the case where the old landing device is replaced with the new landing device, but the present invention may be applied to the case where the old optional devices other than the landing device and the car device are replaced with the new optional devices.

In the above-described embodiment, serial communication was described as an example of the old communication method and the new communication method, but the present invention is not limited to this, and communication methods other than serial communication, for example, parallel communication methods, can be applied to the present invention as described above.

Description of the reference symbols

1: a machine room; 2: a traction machine; 3: a control panel; 4: a speed limiter; 5: a hoistway; 6: a car; 7: a counterweight; 8: a main rope; 9: a guide rail; 10: a terminal switch; 11: a door drive device; 12: a car operating panel; 13: a landing; 14: a landing operating panel; 15: a pit; 16: a buffer; 17: moving the cable; 18: a workstation on the car; 100: old control panels; 100A: a new control panel; 110: an old elevator control substrate; 110A: a new elevator control substrate; 120A: a communication conversion substrate; 121: a CPU; 122: a RAM; 123: a serial input/output unit; 124: a parallel input/output unit; 130A: a new specification connector; 140A: a relay harness; 141A: a new specification connector; 142A: an old specification connector; 150A: a new specification connector; 200: old landing equipment; 200A: new layer station equipment; 300: old car equipment; 300A: a new car device; 410: old format connectors (existing old format connectors); 420: an old specification connector (an old specification connector is newly arranged); 430: a connecting tool; 431: a terminal unit; 432: a primary terminal portion; 433: a secondary terminal portion; 434: a track; 500: and an auxiliary disc.

Claims (11)

1. A method of modernizing an elevator, in which at least a part of the equipment of an existing elevator is modernized,

the renovating method of the elevator comprises the following procedures:

replacing an old control panel with a new control panel, the old control panel having an old elevator control substrate communicating with old equipment including at least one of old landing equipment and old car equipment in an old communication manner, the new control panel having a new elevator control substrate communicating with new equipment including at least one of new landing equipment and new car equipment in a new communication manner;

preparing a connecting tool including a plurality of terminal units each having a primary terminal portion and a secondary terminal portion electrically connected to the primary terminal portion, the secondary terminal portion of each terminal unit being independently assigned a pin number of a new-type and old-type connector and being connected to the new-type and old-type connectors;

cutting a plurality of signal lines of an old cable constituting the old equipment from an existing old-specification connector of the old cable to separate the plurality of signal lines from the existing old-specification connector of the old cable, and connecting the plurality of signal lines to which pin numbers of the existing old-specification connector are independently assigned, in such a manner that the pin numbers of the primary terminal portion and the secondary terminal portion of each terminal unit coincide with each other, and independently corresponding the plurality of signal lines to the primary terminal portion of each terminal unit; and

the old device is connected to the new-specification connector on the new elevator control board side via a relay harness, and the old device is thereby brought into a state in which communication with the new elevator control board is possible.

2. The method of modernizing an elevator according to claim 1,

the old communication mode is a serial communication mode or a parallel communication mode.

3. The method of modernizing an elevator according to claim 1,

the new communication mode is a serial communication mode or a parallel communication mode.

4. The method of modernizing an elevator according to claim 2,

the new communication mode is a serial communication mode or a parallel communication mode.

5. The method of modernizing an elevator according to any one of claims 1 to 4,

the new specification connector on the new elevator control substrate side is connected to a communication conversion substrate that mutually converts the communication method between the old communication method and the new communication method,

the new elevator control board is configured to be able to communicate with the old device via the communication conversion board.

6. The method of modernizing an elevator according to claim 5,

the communication conversion substrate is arranged on the new control panel.

7. The method of modernizing an elevator according to claim 5,

the communication conversion substrate is arranged on an auxiliary disk which is separated from the new control disk.

8. The method of modernizing an elevator according to any one of claims 1 to 4,

and the new specification connector on the new elevator control substrate side is connected with the new elevator control substrate.

9. The method of modernizing an elevator according to any one of claims 1 to 4, 6, 7,

the method for modernizing an elevator further comprises the steps of:

replacing the old device with the new device; and

replacing the old cable with a new cable, connecting the new elevator control substrate with the new device using the new cable,

the new elevator control board is configured to be able to communicate with the new device via the new cable.

10. The method of modernizing an elevator according to claim 5,

the method for modernizing an elevator further comprises the steps of:

replacing the old device with the new device; and

replacing the old cable with a new cable, connecting the new elevator control substrate with the new device using the new cable,

the new elevator control board is configured to be able to communicate with the new device via the new cable.

11. The method of modernizing an elevator according to claim 8,

the method for modernizing an elevator further comprises the steps of:

replacing the old device with the new device; and

replacing the old cable with a new cable, connecting the new elevator control substrate with the new device using the new cable,

the new elevator control board is configured to be able to communicate with the new device via the new cable.

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