CN110795130A - Elevator door motor controller program offline upgrading device and offline upgrading method thereof - Google Patents
Elevator door motor controller program offline upgrading device and offline upgrading method thereof Download PDFInfo
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- CN110795130A CN110795130A CN201911331673.4A CN201911331673A CN110795130A CN 110795130 A CN110795130 A CN 110795130A CN 201911331673 A CN201911331673 A CN 201911331673A CN 110795130 A CN110795130 A CN 110795130A
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
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Abstract
The invention relates to an elevator door motor controller program offline upgrading device and an offline upgrading method thereof, wherein the offline upgrading device comprises a shell, a PCBA assembly arranged in the shell and an external communication cable used for connecting the offline upgrading device and the elevator door motor controller, the PCBA assembly comprises a power supply module, an MCU module and a program upgrading enabling module which are mutually connected, an upgrading package program file is stored in the MCU module, the program upgrading enabling module is used for starting the program upgrading function of the elevator door motor controller, and the elevator door motor controller to be upgraded is set to be in a program downloading state to realize the automatic offline upgrading of the elevator door motor controller program. The off-line upgrading method comprises the following steps: (1) the connection between the off-line upgrading device and the elevator door motor controller; (2) switching on a power supply to establish communication connection; (3) confirming a secret key, and downloading an upgrading program package file; (4) and finishing off-line upgrading after the downloading is successful.
Description
Technical Field
The invention relates to an offline upgrading device for an elevator, in particular to an offline upgrading device for an elevator door motor controller program and an offline upgrading method thereof.
Background
With the continuous and rapid improvement of the functions and performances of elevator products, the experience and the demand of customers are continuously increased, how to realize the upgrade of the elevator door motor controller which is operated in the past through a simple mode, and realize the optimization of the functions, the improvement of the performances and the change of the experience feeling is a subject faced by many manufacturers at present. For old elevators, the old elevators basically and generally do not have networking function, and equipment cannot be upgraded in a mode of selecting an upgrading program after wireless or wired networking. Therefore, there is a need to develop an off-line procedure upgrade device to quickly implement an upgrade of an old elevator door machine controller in operation.
Disclosure of Invention
The invention aims to solve the defects of the prior art, designs an elevator door motor controller program offline upgrading device and an offline upgrading method thereof, and provides the elevator door motor controller program offline upgrading device which is simple and reliable in structure and convenient and quick to use.
The invention is realized by the following steps: an elevator door motor controller program off-line upgrading device is characterized in that: the off-line upgrading device comprises a shell, a PCBA assembly and an external communication cable, wherein the PCBA assembly and the external communication cable are arranged in the shell, one end of the communication cable is provided with a communication plug matched with a communication socket on the PCBA assembly and is connected with the PCBA assembly by inserting the communication plug into the communication socket, the other end of the communication cable is provided with a connector plug matched with an input connector socket of the elevator door motor controller, the PCBA assembly comprises a power supply module, an MCU module and a program upgrading enabling module which are mutually connected, the power supply module is a power supply level conversion module and converts a power supply acquired from the elevator door motor controller through the communication cable into a power supply for providing the whole off-line upgrading device to work, and the MCU module stores a self-work program code containing handshake information and key information and a program code to be upgraded and is used for controlling the on-off of a work state indicator lamp and the upgrading work of the elevator door motor controller, And the program upgrading enabling module is used for starting the program upgrading function of the elevator door motor controller, and automatically sets the elevator door motor controller to be upgraded to be in a program downloading state to realize the automatic off-line upgrading of the elevator door motor controller program after the program off-line upgrading device is connected and electrified with the elevator door motor controller to be upgraded.
The casing mainly used PCBA subassembly the protection, adopt the plastics box body, the casing on still set up the pilot lamp through-hole that is used for observing the operating condition pilot lamp that connects out on the MCU module, the operating condition pilot lamp be equipped with four, respectively for state pilot lamp D3, the key state pilot lamp D4 of shaking hands, erase state pilot lamp D5 and download state pilot lamp D6.
The power module of the off-line upgrading device mainly comprises a connector J1, a diode D7, a diode D8 and an integrated chip U6 which are sequentially connected, the power module is used for converting 5V of a power supply obtained by the elevator door controller into 3.3V, and the diode D7 has a power supply reverse protection function.
The MCU module mainly comprises a capacitor C1 connected from a pin 5 of an integrated chip U1, a capacitor C2 connected from a pin 6, a resistor R2 connected from a pin 26, a resistor R4 connected from a pin 27, a resistor R6 connected from a pin 28, a resistor R10 connected from a pin 29, a resistor R5 connected from a pin 30 of the integrated chip U1, a resistor R11 connected from a pin 31, a resistor R5 connected in sequence from a pin 44, a capacitor C3 connected from a pin 48, a crystal oscillator Y1 and a resistor R1 connected in parallel between circuits of the capacitor C1 and the capacitor C2 respectively connected with the integrated chip U1, a resistor R2, a resistor R4, a resistor R6 and a resistor R10 respectively connected with the integrated chip U1, and four working state indicator lights D1, a key status indicator light and an erasing state indicator light D1, the resistance R12, the resistance R11 and the resistance R5 are respectively connected to the connector J1 through circuits, a circuit shunt with a resistance R13 is further arranged between the circuits of the resistance R5 connected to the connector J1, the program upgrading enabling module comprises the resistance R9 connected out through a No. 32 pin of the integrated chip U1, and the circuit shunt with the resistance R3 is further arranged between the circuit connected with the connector J1.
The off-line upgrading method of the off-line upgrading device of the elevator door motor controller program comprises the following steps:
1. one end of a communication plug of an external communication cable is inserted into a communication socket of the offline upgrading device, and the other end of the connector plug is inserted into an input connector socket of the elevator door motor controller;
2. switching on a power supply of the elevator door motor controller, automatically converting a 5V power supply acquired from the elevator door motor controller into a 3.3V power supply by a power supply module of the off-line upgrading device, after delaying for 1 second, carrying out communication handshake between the off-line upgrading device and the elevator door motor controller to be upgraded, if the handshake fails, terminating program upgrading, completely turning off the four working state indicating lamps, if the handshake succeeds, establishing correct communication connection between the off-line upgrading device and the elevator door motor controller to be upgraded, and at the moment, normally turning on a handshake state indicating lamp D3;
3. the off-line upgrading device continues to send the secret key to confirm upgrading authority, once the secret key is correctly compared, the off-line upgrading device has the authority of the door machine upgrading controller, at the moment, the secret key state indicator lamp D4 is normally on, if the secret keys are not matched, program upgrading is stopped, and the four working state indicator lamps are completely turned off;
4. the off-line upgrading device continuously sends an instruction for erasing the flash space, four indicator lamps of the off-line upgrading device flicker to prompt in the erasing process, if the erasing is successful, an erasing state indicator lamp D5 is normally on, and if the downloading is failed, the four indicator lamps are completely turned off;
5. the off-line upgrading device downloads the program codes carried by the off-line upgrading device into a flash space of the elevator door motor controller to be upgraded, once the upgrading is successful, the download state indicator lamp D6 is always on, so far, if the downloading is successful, the four working state indicator lamps are all on, and if the downloading is failed, the four working state indicator lamps are all off;
6. and (4) successfully downloading, cutting off the power supply of the elevator door motor controller, pulling out the communication cable from the input connector socket of the elevator door motor controller, and finishing the offline upgrading work.
In the communication handshake in the step 2, the control unit of the MCU module in the offline upgrade apparatus sends handshake signal codes, if the handshake codes fed back by the elevator door controller are correct, the handshake is successful, and the handshake state indicator D3 is normally on, i.e., reliable communication connection is established, otherwise, the upgrade is terminated and the four working state indicators are all off.
In the step 3, the key comparison is that after the communication connection is successfully established by the handshake, the control unit of the MCU module in the off-line upgrading device sends out a key and judges whether the received key fed back by the elevator door controller is consistent or not, if the key is inconsistent, the off-line upgrading device cannot obtain upgrading authority, the upgrading is terminated, the four working state indicating lamps are all turned off, if the key is consistent, the key state indicating lamp D4 is normally on, the off-line upgrading device sends out an instruction for erasing the original program of the flash space of the elevator door controller, if the erasing fails, the upgrading is terminated, the four working state indicating lamps are all turned off, if the erasing succeeds, the erasing state indicating lamp D5 is normally on, and then the off-line upgrading device starts to download and store the carried program code file into the flash space of the elevator door controller, after the downloading is finished, the off-line upgrading device carries out verification confirmation, if the verification fails, if the upgrade fails, the four working state indicating lamps are completely turned off, otherwise, the upgrade is successful, and the four working state indicating lamps are completely turned on.
If the program offline upgrading device of the elevator door motor fails to be upgraded, the four working state indicating lamps are completely turned off, the offline upgrading device repeats the steps 1-6, the offline upgrading device still fails after 1-2 repeated attempts, the upgrading work is terminated, and manual intervention and maintenance work are needed.
The invention has the beneficial effects that: the device has the advantages of small volume, light weight, low cost and easy carrying. The device of the invention is matched with the off-line upgrading method of the invention, so that the elevator door motor controller which is scattered all over the country and does not have the networking on-line upgrading function or is in the current network-free state can be conveniently subjected to off-line upgrading of programs, and the safety, the function, the performance and the customer experience of the elevator door motor controller are improved. The device of the invention does not need the support of a network, and the communication line of the device and the socket of the elevator door motor controller are connected with each other only by plugging the communication line of the device and the socket of the elevator door motor controller, so that data exchange can be carried out, and the upgrading work of the elevator door motor controller can be rapidly completed. The invention has simple and convenient field operation and no complex professional operation, greatly reduces the workload of professional maintainers, and can quickly finish the upgrading work under the guidance of technicians without learning the relevant knowledge of the elevator equipment by non-professionals. The invention is particularly suitable for remote areas and non-network elevator shaft sites.
Drawings
FIG. 1 is a schematic diagram showing the external structure of the apparatus of the present invention.
Fig. 2 is a diagrammatic illustration of the connection of the device of the invention to an elevator door motor controller.
Fig. 3 is a circuit schematic of the apparatus of the present invention.
Fig. 4 is a flow chart of the off-line upgrade operation performed by the apparatus of the present invention.
In the figure: 1. an off-line upgrading device; 2. An elevator door motor controller.
Detailed Description
According to the attached figures 1 and 2, the elevator door motor controller program off-line upgrading device comprises a shell, a PCBA component and an external communication cable, wherein the PCBA component and the external communication cable are arranged in the shell, one end of the communication cable is provided with a communication plug matched with a communication socket on the PCBA component, the communication plug is connected with the PCBA component by inserting the communication plug into the communication socket, the other end of the communication cable is provided with a connector plug matched with an input connector socket of the elevator door motor controller, the PCBA component comprises a power supply module, an MCU module and a program upgrading enabling module which are mutually connected, the power supply module is a power supply level conversion module and converts a power supply obtained from the elevator door motor controller through the communication cable into a power supply for providing the work of the whole off-line upgrading device, the MCU module is the core of the whole off-line upgrading device and stores a self work program code containing handshake information and key information and a program code to, the automatic off-line upgrading device controls the on and off of the working state indicator light, realizes the control, data transmission and verification of the upgrading work of the elevator door motor controller, and the program upgrading enabling module is used for the opening work of the program upgrading function of the elevator door motor controller.
The shell is mainly used for protecting the PCBA assembly, preferably adopts a plastic box body, is low in material cost, convenient to form, simple to manufacture, light in weight and easy to carry, meets the insulation requirement, and improves the use safety. The shell is further provided with an indicator light through hole for observing the working state of a working state indicator light connected from the MCU module of the PCBA component. The working state indicator lamp is provided with four indicator lamps which are respectively as follows: a handshake status indicator lamp D3, a key status indicator lamp D4, an erase status indicator lamp D5, and a download status indicator lamp D6.
Referring to fig. 3, the power module of the offline upgrade device for elevator door controller programs of the present invention mainly includes a connector J1, a diode D7, a TVS tube D8, and an integrated chip U6 (TLV 1117-33IDCYR of the company TI in usa, although many commercially available devices of the same type of the prior art can achieve the same function) connected in sequence, and is configured to convert the 5V of the power source obtained by the elevator door controller into 3.3V, wherein the diode D7 further has a power source reverse protection function. The MCU module mainly includes a capacitor C1 connected from a pin 5 of an integrated chip U1 (STM 32F100C6T6 of the ST company in the united states, certainly, many brands of commercially available similar devices can achieve the same function in the prior art), a capacitor C2 connected from a pin 6, a resistor R2 connected from a pin 26, a resistor R4 connected from a pin 27, a resistor R6 connected from a pin 28, a resistor R10 connected from a pin 29, a resistor R12 connected from a pin 30 of the integrated chip U1, a resistor R11 connected from a pin 44, and a capacitor C3 connected from a pin 31, a crystal Y1 and a resistor R1 connected in parallel between the capacitor C1 and the capacitor C2 and the oscillator circuit connected to the integrated chip U1, and a crystal Y2, a resistor R4, a resistor R6 and a resistor R10 are connected to the lamp status indicator circuit respectively, and the lamp status indicator circuit also connected to the lamp status indicator circuit respectively, The device comprises an erasing state indicator lamp D5 and a downloading state indicator lamp D6, wherein a resistor R12, a resistor R11 and a resistor R5 are respectively connected to a connector J1 through circuits, and a circuit branch with the resistor R13 is further arranged between the circuits of the resistor R5 connected to the connector J1. The integrated chip U1 is a core device of the off-line upgrading device, carries a program file of the self-working, also carries a latest program code file to be upgraded, and completes the off-line upgrading of the program after being connected and communicated with the elevator door motor controller through a communication cable. The program upgrade enabling module comprises a resistor R9 connected from a pin No. 32 of an integrated chip U1, a circuit branch with a resistor R3 is further arranged between circuits connected with a connector J1, and the module is mainly used for automatically enabling an elevator door motor controller to be upgraded to be in an upgrading state.
Specifically, the +5V power supply obtained by the power module from the elevator door machine controller is simultaneously connected with pin 2 of the diode D7, pin 1 and pin 2 of the diode D8, pin 3 of the integrated chip U6 and the capacitor C8, the capacitor C8 is connected with GND, pin 1 of the diode D7 is connected with pin 6 of the connector J1, pin 1 of the integrated chip U6 is connected with GND, and pin 2 of the integrated chip U6 is connected with the capacitor C6 and VCC. The power supply in the door machine controller to be upgraded can realize the conversion from +5V to VCC power supply (3.3V) through the functional connection, and the converted VCC power supply is supplied to the whole program upgrading device for use.
Specifically, the MCU module realizes upgrade control, data transmission and verification of the elevator door controller, a capacitor C1 connected to a pin 5 of an integrated chip U1 and a capacitor C2 connected to a pin 6 of the integrated chip U1 are connected to GND, a pin 7 of the integrated chip U1 is connected to a resistor R8 and a capacitor C4, a pin 26 of the integrated chip U1 is connected to a handshake status indicator D3, then to a resistor R2, then to a VCC power supply, a pin 27 of the integrated chip U1 is connected to a key status indicator D4, then to a resistor R4, and finally to a VCC power supply, a pin 28 of the integrated chip U1 is connected to an erase status indicator D5, then to a resistor R6, then to a VCC power supply, and a pin 29 of the integrated chip U1 is connected to a download status indicator D6, then to a resistor R10, and finally to a VCC power supply. No. 8 pin of an integrated chip U1 is connected with GND, No. 9 pin is led out sequentially to form a capacitor C9 and VCC, No. 20 pin of the integrated chip U1 is connected with a resistor R7, No. 24 pin of the integrated chip U1 is connected with a capacitor C5 and VCC, No. 36 pin of the integrated chip U1 is connected with a capacitor C7 and VCC, and No. 48 pin of the integrated chip U1 is connected with a capacitor C3 and GND. No. 30 pin of the integrated chip U1 is connected with a resistor R12 and then connected with a pin 4 of a connector J1, a pin 31 of the integrated chip U1 is connected with a resistor R11 and then connected with a pin 3 of a connector J1, a pin 32 of the integrated chip U1 is connected with a resistor R9 and then respectively connected with a resistor R3 and a pin 2 of a connector J1, and a pin 44 of the integrated chip U1 is connected with a resistor R5 and then connected with a resistor R13 and a pin 1 of a connector J1.
Specifically, in the program upgrade enabling module, the pin 2 of the connector J1 is connected to the resistor R3 and the resistor R9, respectively, and then connected to the pin 32 of the ic U1 through the resistor R9, and the pin 10 of the ic U1 outputs a high-low level to implement program upgrade enabling control, that is, control of the upgrade state of the controller to be upgraded can be implemented.
According to the attached figure 4, the off-line upgrading method of the off-line upgrading device of the elevator door motor controller program comprises the following steps:
1. referring to fig. 2, the connection between the off-line upgrading device and the elevator door motor controller is achieved by inserting one end of a communication plug of an external communication cable into a communication socket of the off-line upgrading device and inserting the other end of the connector plug into an input connector socket of the elevator door motor controller.
2. The power supply of the elevator door motor controller is switched on, meanwhile, the power supply module of the off-line upgrading device automatically converts the 5V power supply obtained from the elevator door motor controller into a 3.3V power supply, after 1 second of delay, the off-line upgrading device and the elevator door motor controller to be upgraded are communicated and handshake, if handshake fails, program upgrading is ended, and the four working state indicating lamps are completely turned off. If the handshake is successful, the offline upgrading device establishes a correct communication connection with the elevator door motor controller to be upgraded, and at the moment, the handshake state indicator lamp D3 is normally on.
3. The off-line upgrading device continues to send the key to confirm the upgrading authority, once the key is compared correctly, the off-line upgrading device has the authority of the door machine controller for upgrading, and at the moment, the key state indicator lamp D4 is normally on. If the keys are not matched, the program upgrading is terminated, and the four working state indicator lamps are completely turned off.
4. The off-line upgrading device continues to send an instruction for erasing the flash space, the off-line upgrading device has an indicator light flickering prompt in the erasing process, if the erasing is successful, the erasing state indicator light D5 is always on, and if the downloading is failed, the four working state indicator lights are completely turned off.
5. The off-line upgrading device downloads the program codes carried by the off-line upgrading device into a flash space of the elevator door motor controller to be upgraded, and once the upgrading is successful, the download state indicator lamp D6 is always on. And if the downloading fails, the four working state indicating lamps are completely turned off.
6. And (4) successfully downloading, cutting off the power supply of the elevator door motor controller, pulling out the communication cable from the input connector socket of the elevator door motor controller, and finishing the offline upgrading work.
In the communication handshake in the step 2, a handshake signal code is sent by a control unit of an MCU module in the offline upgrading device, if the handshake code fed back by the elevator door controller is correct, reliable communication connection is established, otherwise, the offline upgrading is terminated, and the four indicator lamps are completely turned off.
In the step 3, the key comparison is that after the handshake successfully establishes the communication connection, the control unit of the MCU module sends the device identification information key and determines whether the received device identification information key fed back by the elevator door controller is consistent, if the keys are not consistent, the offline upgrade device cannot obtain the upgrade right confirmation, the upgrade is terminated, and the four indicator lights are turned off. If the keys are consistent, the key state indicator lamp D4 is normally on, the off-line upgrading device of the invention continuously sends out an instruction for erasing the original program of the flash space of the elevator door motor controller, if the erasing fails, the upgrading is terminated, and the four indicator lamps are completely turned off. If the erasing is successful, the erasing state indicator lamp D5 is normally on, the offline upgrading device starts to download and store the codes carried by the offline upgrading device into a flash space of the elevator door controller to be upgraded, after the downloading is finished, the offline upgrading device verifies the downloaded codes, if the verification fails, the upgrading fails, the indicator lamps are completely off, otherwise, the upgrading succeeds, the downloading state indicator lamp D6 is normally on, and at this time, the four indicator lamps are completely on.
If the upgrade fails, the offline upgrade device repeats the steps 1-6, if the upgrade is still failed and cannot be performed after 1-2 times of trial, the elevator door motor controller needs to be maintained through manual intervention. The number of attempts is a preset value and is set to 1 after failure as shown in fig. 4.
And ending the off-line program upgrading process. The off-line upgrading device provided by the invention is adopted to upgrade the program of the elevator door motor controller, extra manual operation is not needed except for the connection and power-on at the beginning and the final power-off in the whole process, manual intervention is not needed in the upgrading process, and the working link with an error can be rapidly judged by matching with the state display of the working state indicator lamp, so that the maintenance, upgrading and reconstruction of later upgrading equipment are facilitated. Meanwhile, the off-line upgrading device downloads the latest program upgrading packet file carried by the off-line upgrading device to the elevator door motor controller, and the latest program upgrading packet file is subjected to communication handshake, key verification and upgrading packet file code verification, so that the upgrading process is reliable and safe.
Claims (8)
1. An elevator door motor controller program off-line upgrading device is characterized in that: the off-line upgrading device comprises a shell, a PCBA assembly and an external communication cable, wherein the PCBA assembly and the external communication cable are arranged in the shell, one end of the communication cable is provided with a communication plug matched with a communication socket on the PCBA assembly and is connected with the PCBA assembly by inserting the communication plug into the communication socket, the other end of the communication cable is provided with a connector plug matched with an input connector socket of the elevator door motor controller, the PCBA assembly comprises a power supply module, an MCU module and a program upgrading enabling module which are mutually connected, the power supply module is a power supply level conversion module and converts a power supply acquired from the elevator door motor controller through the communication cable into a power supply for providing the whole off-line upgrading device to work, and the MCU module stores a self-work program code containing handshake information and key information and a program code to be upgraded and is used for controlling the on-off of a work state indicator lamp and the upgrading work of the elevator door motor controller, And the program upgrading enabling module is used for starting the program upgrading function of the elevator door motor controller, and automatically sets the elevator door motor controller to be upgraded to be in a program downloading state to realize the automatic off-line upgrading of the elevator door motor controller program after the program off-line upgrading device is connected and electrified with the elevator door motor controller to be upgraded.
2. The elevator door motor controller program offline upgrade device of claim 1, wherein: the casing mainly used PCBA subassembly the protection, adopt the plastics box body, the casing on still set up the pilot lamp through-hole that is used for observing the operating condition pilot lamp that connects out on the MCU module, the operating condition pilot lamp be equipped with four, respectively for state pilot lamp D3, the key state pilot lamp D4 of shaking hands, erase state pilot lamp D5 and download state pilot lamp D6.
3. The elevator door motor controller program offline upgrade device of claim 1, wherein: the power module of the off-line upgrading device mainly comprises a connector J1, a diode D7, a diode D8 and an integrated chip U6 which are sequentially connected, the power module is used for converting 5V of a power supply obtained by the elevator door controller into 3.3V, and the diode D7 has a power supply reverse protection function.
4. The elevator door motor controller program offline upgrade device of claim 1, wherein: the MCU module mainly comprises a capacitor C1 connected from a pin 5 of an integrated chip U1, a capacitor C2 connected from a pin 6, a resistor R2 connected from a pin 26, a resistor R4 connected from a pin 27, a resistor R6 connected from a pin 28, a resistor R10 connected from a pin 29, a resistor R5 connected from a pin 30 of the integrated chip U1, a resistor R11 connected from a pin 31, a resistor R5 connected in sequence from a pin 44, a capacitor C3 connected from a pin 48, a crystal oscillator Y1 and a resistor R1 connected in parallel between circuits of the capacitor C1 and the capacitor C2 respectively connected with the integrated chip U1, a resistor R2, a resistor R4, a resistor R6 and a resistor R10 respectively connected with the integrated chip U1, and four working state indicator lights D1, a key status indicator light and an erasing state indicator light D1, the resistance R12, the resistance R11 and the resistance R5 are respectively connected to the connector J1 through circuits, a circuit shunt with a resistance R13 is further arranged between the circuits of the resistance R5 connected to the connector J1, the program upgrading enabling module comprises the resistance R9 connected out through a No. 32 pin of the integrated chip U1, and the circuit shunt with the resistance R3 is further arranged between the circuit connected with the connector J1.
5. An off-line upgrade method for an elevator door motor controller program off-line upgrade apparatus as claimed in any one of claims 1, 2 or 3, characterized in that said off-line upgrade method comprises the steps of:
(1) one end of a communication plug of an external communication cable is inserted into a communication socket of the offline upgrading device, and the other end of the connector plug is inserted into an input connector socket of the elevator door motor controller;
(2) switching on a power supply of the elevator door motor controller, automatically converting a 5V power supply acquired from the elevator door motor controller into a 3.3V power supply by a power supply module of the off-line upgrading device, after delaying for 1 second, carrying out communication handshake between the off-line upgrading device and the elevator door motor controller to be upgraded, if the handshake fails, terminating program upgrading, completely turning off the four working state indicating lamps, if the handshake succeeds, establishing correct communication connection between the off-line upgrading device and the elevator door motor controller to be upgraded, and at the moment, normally turning on a handshake state indicating lamp D3;
(3) the off-line upgrading device continues to send the secret key to confirm upgrading authority, once the secret key is correctly compared, the off-line upgrading device has the authority of the door machine upgrading controller, at the moment, the secret key state indicator lamp D4 is normally on, if the secret keys are not matched, program upgrading is stopped, and the four working state indicator lamps are completely turned off;
(4) the off-line upgrading device continuously sends an instruction for erasing the flash space, four indicator lamps of the off-line upgrading device flicker to prompt in the erasing process, if the erasing is successful, an erasing state indicator lamp D5 is normally on, and if the downloading is failed, the four indicator lamps are completely turned off;
(5) the off-line upgrading device downloads the program codes carried by the off-line upgrading device into a flash space of the elevator door motor controller to be upgraded, once the upgrading is successful, the download state indicator lamp D6 is always on, so far, if the downloading is successful, the four working state indicator lamps are all on, and if the downloading is failed, the four working state indicator lamps are all off;
(6) and (4) successfully downloading, cutting off the power supply of the elevator door motor controller, pulling out the communication cable from the input connector socket of the elevator door motor controller, and finishing the offline upgrading work.
6. The offline upgrade method according to claim 5, wherein: in the step (2), the control unit of the MCU module in the offline upgrade device sends a handshake signal code, if the handshake code fed back by the elevator door controller is correct, the handshake is successful, and the handshake status indicator D3 is normally on, i.e., a reliable communication connection is established, otherwise, the upgrade is terminated and the four operating status indicators are completely turned off.
7. The offline upgrade method according to claim 5, wherein: in the step (3), after the communication connection is successfully established by the handshake, the control unit of the MCU module in the off-line upgrading device sends out a secret key and judges whether the received secret key fed back by the elevator door controller is consistent or not, if the secret key is inconsistent, the off-line upgrading device cannot obtain upgrading authority, the upgrading is terminated, the four working state indicating lamps are all turned off, if the secret key is consistent, the secret key state indicating lamp D4 is normally turned on, the off-line upgrading device sends out an instruction for erasing the original program of the flash space of the elevator door controller, if the erasing fails, the upgrading is terminated, the four working state indicating lamps are all turned off, if the erasing succeeds, the erasing state indicating lamp D5 is normally turned on, and then the off-line upgrading device starts to download and store the carried program code file into the flash space of the elevator door controller, and after the downloading is finished, the off-line upgrading device carries out verification and confirmation, if the verification fails, the upgrading fails, the four working state indicating lamps are completely turned off, otherwise, the upgrading is successful, and the four working state indicating lamps are completely turned on.
8. The offline upgrade method according to claim 5, wherein: and (4) if the upgrade fails, the four working state indicator lamps are completely turned off, the offline upgrade device repeats the steps (1) to (6), if the upgrade still fails after repeating the trial for 1 to 2 times, the upgrade work is terminated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911331673.4A CN110795130A (en) | 2019-12-21 | 2019-12-21 | Elevator door motor controller program offline upgrading device and offline upgrading method thereof |
Applications Claiming Priority (1)
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