WO2011020277A1 - Elevator car operation box and control method thereof - Google Patents

Abstract

An elevator car operation box and controlling method thereof are disclosed, wherein the operation box comprises keys (310), an upper cover (320), a restore pad (330), a bottom case (350) and an electric function unit (340). After keys (310) pass through the upper cover (320), the insides of the keys are towards the restore pad (330). The electric function unit (340) includes key light boards (343) and a row and column control board (344), and the row and column control board (344) is connected with the key light boards (343) so as to transmit signals. The insides of the key light boards (343) are separated from the insides of keys (310) by the restore pad (330) and correspond with each other. The upper cover (320), the restore pad (330), and the electric function unit (340) are fixed each other and arranged into the bottom case (350). The row and column control board (344) is used for receiving the elevator operation status information sent from an elevator control system, and determines the outer information command. The key light boards (343) are used for actualizing the row and column control of the valid instant information of the key when an elevator runs. The elevator car operation box simplifies the structure of the key device, solves the problem of numerous electric wires confusion in high buildings, saves the cost, and is easy to be mounted and maintained. It has the advantage of high anti-interfering ability, high waterproof and dustproof grade, and improves the quality of the elevator car operation box effectively.

Description

 Control box of elevator car and control method thereof

 This application claims priority to Chinese Patent Application No. 200910101778.0, entitled "Ultra-thin Elevator Control Box and Control Method" on August 17, 2009, and on August 17, 2009 Priority is given to the Chinese Patent Application, the entire disclosure of which is hereby incorporated by reference.

Technical field

 The invention belongs to the technical field of elevators, in particular to a control box of an elevator car and a control method thereof. Background technique

 The elevator control box is an indispensable human-machine interface control device in the elevator car. The button device of the conventional elevator call box generally adopts a free-standing structure.

 Referring to Fig. 1, the figure is an exploded view of the key structure of the conventional control box.

 The conventional button device includes a mechanical button 11, a button return member (such as a spring or a spring) 12, a key housing 13, a circuit board 14, and a button fixing member 15. As can be seen from Fig. 1, the conventional 3⁄4 device has many components and complicated structures, and each button must have a corresponding plurality of wires. At present, the floor construction is getting higher and higher, and the corresponding buttons of the control box are more and more, and the number of corresponding wires is also doubled, which increases the cost, and needs to connect and disassemble many connecting wires during installation or maintenance. Very inconvenient to install and maintain, and costly.

 The Chinese invention patent application No. 200810062270.X discloses a button mode of an elevator man-machine interface. Referring to FIG. 2, the main structure is: a mechanical button 22, an upper cover 21, a recovery pad 24, and a first conductive film 231. , an insulating film 233, a second conductive film 232, and a lower bottom cover 25.

 The first conductive film 231, the insulating film 233, and the second conductive film 232 are a set of three-layer film modules. In the recovery pad 24, the two convex portions on the front surface pass through the upper cover 21, the through holes are opposite to the two convex portions of the button, the recovery pad 24, the back surface is in close contact with the first conductive film 231, and the back surface of the first conductive film 231 The insulating film 233, the insulating film 233, is perforated at the opposite side of the two-way projections, the insulating film 233, and the back surface is the second conductive film 232. The first conductive film 231, the second conductive film 232, corresponding to the return pad 24, has a conductive coating on the guide post, and the insulating film 233 is a non-conductive layer.

It can be seen from FIG. 2 that in the button mode of the elevator man-machine interface disclosed in the technical application of the patent application, since the first conductive film 231, the insulating film 233, and the second conductive film 232 are present, the entire manipulation is increased. The thickness of the box makes the control box bulky and costly, and it also increases the difficulty and cost of installation and maintenance.

Summary of the invention

 The invention provides a control box for an elevator car and a control method thereof, which can reduce the thickness of the entire control box and reduce the weight of the control box.

 The control box of the elevator car provided by the embodiment of the invention comprises a plurality of buttons (310), an upper cover (320), a recovery pad (330) and a bottom box (350), and the button (310) passes through the upper cover ( 320), the inner end faces the return pad (330), and further includes an electronic function unit (340), the electronic functional unit (340) includes a plurality of button light boards (343) corresponding to each of the buttons (310) And row and column control board (344);

 The row and column control board (344) is connected to the button light board (343) for signal transmission;

(343) is separated from the inner end of the button (310) by a return pad (330), and corresponds to; the row control panel (344) is for receiving elevator running status information issued by the elevator control system; The row and column control of the instant key information when the elevator is running;

 The upper cover (320), the recovery pad (330) and the electronic functional unit (340) are fixedly connected and placed in the bottom case (350).

 Preferably, each of the button light panels (343) comprises:

 a connector (412) for connecting a single button light board (343) and a row and column control board (344);

 LED (410), used to indicate the instant information of the valid button when the elevator is running, when the instant command of the valid button is received, the light is on, otherwise the light is off;

 The button wire set (411) is used to match the conductive layer of the recovery pad (330), and the circuit is turned on to generate a touch signal, and the button state is fed back to the row and column control board (344).

 Preferably, one button wire group (411) and at least one LED (410) on each button light board (343) constitute a button indication group (400), and each button indicates a group (400) to the button light board (343) Connect the unit to the row and column control board (344).

 Preferably, the row and column control board (344) comprises:

 a control module (802) for converting a button state of a control box of the elevator car into a communication protocol, and transmitting the button state to the elevator control system through the communication module (807);

The LED row and column control module (803) is connected to the LED (410) on the button light board (343) for converting the signal of the main control chip (801) into a control signal of the LED, and controlling the LED array in a row and column control manner. Light up

 The button row and column control module (804) is connected with the button wire group (411) on the button light board (343) to obtain the state of each button in a row control manner, and converts the signal that can be recognized by the master chip (801);

 a communication module (807), configured to convert a communication signal on the external connection line into a signal identifiable by the main control chip (801), and perform information transmission according to the communication protocol and the control module (802);

 a power management module (806) for converting a voltage on the external connection line to a voltage required by the row and column control board (344) and the button light board (343);

 The buzzer module (805) is used to beep when the elevator system is overloaded or faulty.

 Preferably, the main control chip (801) includes:

 The LED row and column control unit (811) separately strobes each row of the LED array by using a timer (813), and performs switching control on each column of the LED strobe row to realize on-off control of all LEDs;

 The button row and column control unit (812) controls the respective rows of the button array by using a timer (813), and obtains the state of the button connected to the gating row from each column to realize the state reading of all the buttons;

 The communication protocol unit (814) parses the converted signal of the communication module (807) to obtain the status of all the LEDs (410) and the state of the buzzer (805); meanwhile, the state of the button wire set (411) and The state of the control module (802) is converted to a communication protocol that other row and column control boards can recognize for transmission.

 Preferably, the electronic functional unit (340) further includes a display device (341) and/or a walkie-talkie (342). Preferably, the display module (701) of the display device (341) is mounted directly above the PCB circuit board (702) of the electronic function unit (340), and the display module (701) corresponds to the display window opened by the upper cover (320) The electronic component (703) is mounted directly under the PCB circuit board (702); the walkie-talkie (342) is mounted on the electronic function unit (340) below the display device (341).

The embodiment of the invention further provides a control box for an elevator car, comprising a button (310a), an upper cover (320a), an electronic functional unit (330a) and a bottom box (340a), the upper cover (320a) and the bottom The box (340a) is attached but has a gap in the middle and is fixedly connected. The electronic functional unit (330a) is sandwiched between the upper cover (320a) and the bottom box (340a), and the electronic functional unit (330a) includes a button light. The board (333a), the row and column control board (334a), the row and column control board (334a) and the button light board (333a) perform signal transmission, and the row and column control board (334a) is configured to receive the elevator operating state information sent by the elevator control system, and determine External information command; button light The board (333a) is used to complete the instant information row control of the valid keys when the elevator is running; after the button (310a) passes through the upper cover (320a), the inner end faces the button light board (333a).

 Preferably, the button light panel comprises:

 LED, which is used to indicate the instant information of the valid button of the elevator system. When the instant command of the valid button is received, the light is on, otherwise the light is off;

 The micro switch is used to generate the touch signal, and feedback the state of the button to the row and column control board; the connector is used to connect the single button light board and the row and column control board.

 Preferably, the row and column control panel (334) comprises:

 The main control chip (601) realizes signal transmission between the modules;

 The control module (602) is configured to convert the state of the button in the elevator control box into a communication protocol, and send the signal to the elevator control system through the communication module (607);

 The LED row and column control module (603) is connected to the LED (511) on the button light board (333) for converting the signal of the main control chip (601) into a control signal of the LED, and controlling the LED array by the row and column control manner. Illuminated state

 The micro switch row and column control module (604) is connected with the micro switch (512) on the button light board (333), and obtains the state of each button in a row and column control manner, and is converted into a main control chip (601). Signal

 The communication module is configured to convert the communication signal on the external connection line into a signal that can be recognized by the main control chip, and transmit the information according to the communication protocol and the control module;

 The power management module is configured to convert the voltage on the external connection line into the voltage required by the row and column control board and the button light board, and at the same time filter the interference of the power supply and the protection module;

 Buzzer, used to implement the buzzer function, prompting the overload and fault status of the elevator system.

 Preferably, the main control chip comprises:

 a timer that implements the timing resources required by the module;

 The LED row and column control program module uses the timing resource to separately strobe each row of the LED array, and performs switch control on each column of the LED strobe line to realize the LED control of all the LEDs;

The button row and column control program module uses the timing resource to select each row of the button array separately Passing, and obtaining the state of the button connected to the gating row from each column, so as to read the state of all the buttons;

 The communication protocol module parses the converted signal of the communication module to obtain the status of all the LEDs and the status of the buzzer; and simultaneously converts the state of the micro switch and the state of the control module into a communication protocol that can be recognized by other control boards. .

 Preferably, a micro switch and one or more LEDs on each button light panel constitute a button indicator group, and are connected to the row and column control board in units of the button light board.

 The embodiment of the invention further provides a method for controlling the button row and column of the control box of the elevator car, which is carried out as follows:

 (1) The elevator control system issues a button confirmation command, and the row control panel activates the button row and column control unit;

 (2) The button row and column control unit performs traverse control on each button of each row on the button light panel, and obtains a signal result from a column to which each button belongs, and if a valid signal is obtained, it is determined that the button is pressed. If the valid signal is not obtained, it is judged that the button is not pressed;

 (3) The row and column control board counts the traversal control results on the button light panel according to the button row unit to determine the final valid button.

 The embodiment of the invention further provides an LED row and column control method for the control box of the elevator car, which is carried out as follows:

 (1) The elevator control system issues an LED confirmation command, and the row control panel activates the LED row and column control unit;

 (2) The LED row and column control unit on the row and column control panel traverses each LED of each row on the button lamp panel, and obtains a signal result from the column to which each LED belongs to the row, and if a valid signal is obtained, judges the The LED is triggered to illuminate the LED. If no valid signal is obtained, it is determined that the LED is not triggered, and the LED is kept off.

 The invention also provides a control method for a control box of an elevator car, which is carried out according to the following steps:

(1) After pressing the button, touch the conductive layer corresponding to the button light board to transmit a signal;

 (2) The conductive layer transmits a touch signal to the row and column control board. When the button row and column control module reads the row of the pressed button, the column signal of the button is obtained and sent to the communication protocol module;

(3) The communication protocol module packs and converts the information related to the button and uploads it to the communication module. Piece;

 (4) The communication module transmits the package information to the elevator control system for processing;

 (5) After the elevator control system processes the received package information, it sends the processing information to the communication module;

 (6) The communication module sends the processing information to the communication protocol module;

 (7) the communication protocol module performs protocol conversion on the processing information, and sends it to the control module;

(8) The control module analyzes the received protocol and converts it into an indicator row and column signal, and sends it to the LED row and column control module;

 (9) The LED row and column control module sends the information to the button light board, and illuminates the LED corresponding to the button. The control box of the elevator car of the present invention has the following advantages:

 1. The invention replaces all the traditional independent buttons and LEDs on the control box with the button indication group, and integrates them into the button lamp board, and uses the row and column control method to realize the control of the buttons and the LEDs. The structure of the 3⁄4 device is completed, which solves the chaotic situation of high floor and numerous wires, saves cost, and is convenient for maintenance and installation.

 2. The first conductive film, the insulating film and the second conductive film component in the conventional control box are removed from the internal structure of the control box of the present invention, and a plurality of button light boards are directly applied, and the button light board is laid flat on the plane of the electronic functional unit. On the top, there is no repeated superposition, which greatly saves space, reduces the thickness of the control box, and reduces the cost.

 3. The original three-layer structure of the thin film component is the input signal source, and the lamp is the output signal. The transmission between the two needs to be connected by a connecting wire or a connecting piece. The input signal source and the output signal of the control box of the present invention are integrated on the button light board, and the structure is consolidated, thereby enhancing the reliability of the connection.

 4. The control box of the elevator car of the invention has the advantages of strong anti-interference ability, high waterproof and dustproof level, and can effectively increase the quality of the elevator control box.

DRAWINGS

 1 is a schematic exploded view of a button structure of a conventional control box;

 2 is an exploded view of a key structure of a control box disclosed in Chinese Patent Application No. 200810062270.X;

 Figure 3 is an exploded view showing the structure of the first embodiment of the control box provided by the present invention;

 4 is a schematic structural view of a button light board;

Figure 5 is a partial structural schematic view of the control box when the button is pressed; Figure 6 is an exploded perspective view showing the display device of the control box of the elevator car of the present invention;

 Figure 7 is a schematic diagram of the functional modules of the row and column control board of the present invention;

 Figure 8 is a structural exploded view of a second embodiment of the control box provided by the present invention;

 Figure 9 is a schematic structural view of the button light board of Figure 7;

 Figure 10 is a structural diagram showing the structure of the bottom box and the car wall panel of the control box shown in Figure 7;

 Figure 11 is a schematic diagram of the LED common anode and row control circuit;

 Figure 12 is a schematic diagram of the LED common cathode row control circuit;

 Figure 13 is a schematic diagram of the control circuit of the button row and column;

 Figure 14 is a flow chart of the control method of the button row and column of the control box;

 Figure 15 is a flow chart of the LED row and column control method of the control box;

 Figure 16 is a control flow chart of the elevator control box.

detailed description

 The invention will now be described in detail in conjunction with the drawings.

 Referring to FIG. 3, the figure is an exploded view of the first embodiment of the control box provided by the present invention. As shown in FIGS. 3 and 4, the control box of the elevator car includes a plurality of buttons 310, an upper cover 320, and a recovery pad.

330, the electronic function unit 340 and the bottom box 350, the upper cover 320 forms a plurality of button through holes, a display window and a sound hole, the button through holes are matched with the button 310 for the button 310 to pass through, and the button 310 passes through After the through hole of the cover 320, the inner end faces the recovery pad 330, and the recovery pad 330 is fixed to the inner wall of the upper cover 320. The electronic functional unit 340 is fixedly connected to the inner wall of the upper cover 320. The electronic functional unit 340 is located inside the recovery pad 330. The upper cover 320, the recovery pad 330 and the electronic functional unit 340 are fixedly connected and placed in the bottom case 350.

 The main control processing, signal transmission, button control, and manipulation status display of the control box are completed by the electronic function unit 340. The upper portion of the electronic function unit 340 is mounted with the display device 341 and the walkie-talkie 342. The display device 341 can adopt an ultra-thin display design. Referring to FIG. 6, the display module 701 is mounted on the front side of the PCB circuit board 702 of the display device 341. The display module 701 corresponds to the display window of the upper cover 320. The electronic component 703 is mounted under the front surface of the PCB circuit board 702. The walkie-talkie 342 is located below the display device 341, in the same plane as the display device 341, and the walkie-talkie 342 faces the sound-emitting aperture of the upper cover 320.

The electronic function unit 340 includes a plurality of button light boards 343 and a row and column control board 344. The row and column control board 344 is connected to the button light board 343 through the connector 412, and performs signal transmission; A plurality of LEDs 410 are provided for indicating the instant information of the valid keys when the elevator is running. When the instant command of the valid button is received, the light is on, otherwise the light is off. The button wire group 411 is used to cooperate with the conductive layer 501 of the recovery pad 330, to turn on the circuit, generate a touch signal, and feed back the button state to the row and column control board 344. One button wire group 411 and a plurality of LEDs 410 on each button light board 343 constitute a button indicating group 400, and each button indicating group transmits signals to the row and column control board 344 in units of the button light board 343.

 The inner ends of the button pad 343 and the button 310 are separated by a return pad 330 and correspond. The row control panel 344 is configured to receive elevator operating state information issued by the elevator control system to determine an external information command. The button light board 343 is used to complete the line and column control of the valid key information when the elevator is running.

 As shown in FIG. 7, the row and column control board 344 includes:

 1. The main control chip 801 can use AT89S52 to realize the communication of each module, including: (1) Timer 813, which realizes the timing resources required by other program modules; (2) LED row and column control unit 811, using timing resources, for LED Each row of the array is strobed separately, and each column of the LED is controlled to be switched to achieve on/off control of all the LEDs; (3) the button row and column control unit 812 uses the timing resource to each row of the button array The strobe is separately performed, and the state of the button connected to the strobe line is obtained from each column to realize the state reading of all the buttons; (4) the communication protocol unit 814 parses the converted signal of the communication module 807 to obtain all The state of the LED and the state of the buzzer 805; at the same time, the state of the button wire group 411 and the state of the control module 802 are converted into communication protocols that can be recognized by other row and column control boards for transmission.

 2. The control module 802 is configured to convert the button state of the control box of the elevator car into a communication protocol, and send it to the elevator control system through the communication module 807.

 3. The LED row and column control module 803, the LED 410 on the button light board 343 is electrically connected to the LED row and column control module 803, and is used for converting the signal of the main control chip 801 into a control signal of the LED, and controlling the brightness of the LED array by the row and column control manner. Off state.

 4. The button row and column control module 804, the button wire group 411 on the button light board 343 is connected with the button row and column control module 804, and the state of each button is obtained by the row and column control mode, and converted into a signal that can be recognized by the master chip 801.

5. The communication module 807 can be used to convert the communication signal on the external connection line into a signal that can be recognized by the main control chip 801, and transmit information according to the communication protocol and the control module 802 or other row and column control boards. 6. The power management module 806 can be used to convert the voltage on the external connection line into the voltage required by the row and column control board 344 and the button light board 343, and at the same time filter out the interference of the power supply and protect the module.

 7. The buzzer module 805 is used to implement the buzzer function, prompting the overload and fault status of the elevator system.

 In order to solve the problem that the conventional elevator car control box adopts a free-standing 3⁄4 device structure, there are many components, the structure is complicated, and each button has a corresponding plurality of wires, the present invention creatively designs a plurality of button lamp plates 343. It is generally designed in a vertical length and arranged in parallel under the walkie-talkie 342. Two or more can be selected as needed. The button light board 343 has a plurality of button indicating groups 400, which are formed by a button wire group 411 and an LED 410 in a one-to-one relationship, or may be one-to-one by a button wire group 411 and a plurality of LEDs 410. The relationship is made up. Different combinations are possible depending on the elevator floor design requirements. The series button indicating group 400 is connected to the row and column control board 344 under the button light board 343 by the button light board 343 as a unit, and solves the technical problems that each button in the independent button design must correspond to multiple control circuits and transmission wires. A centralized button light board with a complete set of cylinders is formed. The button light board 343 directly performs row and column control and signal transmission with the row and column control board 344. The LED 410 on the button light board 343 is connected to the LED row and column control module 803, and the button wire group 411 on the button light board 343 and the button row and column control module 804 perform signals. transmission.

 When the external force is not applied, the return pad 330 is provided with a conductive layer 501 near the bottom of the guide post of the button light board 343. The conductive layer may be a conductive copper sheet or a conductive carbon film. The button light board 343 corresponding to the conductive layer 501 has a button wire group 411. In the non-operating state, that is, before the mechanical button 310 is actuated, the two conductive copper wires corresponding to the button wire group 411 are in an off state. When the mechanical button 310 is pressed, referring to FIG. 5, the conductive layer 501 on the guide post contacts the button lamp plate 343, so that the two conductive copper wires of the pair of button wire groups 411 are turned from off to on. The circuit of the button wire group 411 is turned on, the touch point signal is transmitted, and the button state is fed back to the row and column control board 344.

 When the button 310 loses pressure, the recovery pad 330 causes the button 310 to rebound, and the conductive layer on the guide post

The 501 and the button lamp panel 343 are separated, and the two conductive copper wires of the pair of button wire groups 411 are turned from off to off, so that the button 310 can be pressed again.

It can be seen from the above preferred embodiment that a conductive film, an insulating film, a two-layer conductive film and the like are omitted in the structure of the control box of the elevator car, thereby achieving thinning thickness, cost saving, and convenient installation. The technical effect of maintenance. Embodiments of the present invention also provide a control box for an elevator car.

 As shown in FIGS. 8 and 9, the ultra-thin elevator control box includes a button 310a, an upper cover 320a, an electronic function unit 330a, and a bottom box 340a. The upper cover 320a and the bottom box 340a are in the form of a flat plate, and the two are attached but have a middle portion. The gaps are fixed by rivets. The upper cover 320a has a plurality of button through holes, a display window and a sound hole. The electronic function unit 330a is sandwiched between the upper cover 320a and the bottom box 340a. The electronic function unit 330a includes a plurality of button light boards 333a and a row control board 334a. The row control board 334a and the button light board 333a are connected by the plug-in 513 and are connected. The signal transmission, the row and column control board 334a is configured to receive the elevator operating state information sent by the elevator control system, and determine an external information command. The button light board 333a is used to complete the instant information row and column control of the valid keys when the elevator is running. After the button 310a is slidably passed through the upper cover 320a, the inner end faces the micro switch 512 of the button light panel 333a. The functions of the master control processing, signal transmission, button control, and manipulation state display of the control box are all completed by the electronic function unit 330a. The electronic function unit 330a further includes a display device 331a and a walkie-talkie 332a, and the display device 331a is located at the upper portion thereof. The display device 331a can adopt an ultra-thin display design. Referring to FIG. 6, the display module 701 is mounted on the front surface of the PCB circuit board 702 of the display device 331a. The display module 701 corresponds to the display window of the upper cover 320a. The lower side of the PCB circuit board 702 is mounted on the front side. Electronic component 703. The walkie-talkie 332a is mounted below the display device 331a and is flush with the display device 331a, which faces the sound hole of the upper cover 320a.

In order to solve the problem of the conventional elevator control box of the conventional elevator control box, there are many components, the structure is complicated, and each button must have a corresponding plurality of wires. The present invention creatively designs a plurality of button light panels arranged in parallel. 333a, which is generally designed in a vertical shape, can be selected as needed. The button light board 333a is integrated with a plurality of button indicating groups 510. Each button indicating group 510 is formed by a micro switch 512 and an LED 511 in a one-to-one relationship, and may also be followed by a micro switch 512 and a plurality of LEDs 511. A one-to-many relationship. Different combinations are available depending on the elevator floor. The series of button indication groups 510 are directly connected to the row and column control board 334a under the button light board 333a and signal transmission in the unit of the button light board 333a, thereby solving the corresponding control circuit of each button in the existing independent type button. And there are a large number of complicated structures such as transmission wires, forming a centralized set of button light panels. The button light board 333a is directly controlled with the row and column control board 334a. System and signal transmission. The LED 511 is used to indicate the instant information of the valid button of the elevator system, and the light is on when the instant command of the valid button is received, otherwise the light is off. The micro switch 512 is used to generate a touch signal and feed back the button state to the row and column control board 334a.

 The row and column control board includes:

 The main control chip realizes the signal transmission between the modules;

 a control module, configured to convert a button state in the elevator control box into a communication protocol, and send the signal to the elevator control system through the communication module;

 The LED row and column control module is connected to the LED on the button light board, and is used for converting the signal of the main control chip into the control signal of the LED, and controlling the LED array to be turned on and off in a row and column control manner;

 The micro switch row and column control module is connected with the micro switch on the button lamp board, and obtains the state of each button in the row and column control mode, and converts the signal that can be recognized by the main control chip;

 The communication module is configured to convert the communication signal on the external connection line into a signal that can be recognized by the main control chip, and transmit the information according to the communication protocol and the control module;

 The power management module is configured to convert the voltage on the external connection line into the voltage required by the row and column control board and the button light board, and at the same time filter the interference of the power supply and the protection module;

 Buzzer, used to implement the buzzer function, prompting the overload and fault status of the elevator system.

 The main control chip includes:

 a timer that implements the timing resources required by the module;

 The LED row and column control unit uses the timing resource to separately strobe the respective rows of the LED array, and performs switching control on each column of the LED strobe row to realize the lighting control of all the LEDs; the button row and column control unit utilizes the timing resource , respectively, strobing each row of the button array, and obtaining the state of the button connected to the strobe line from each column, so as to realize state reading of all the buttons; the communication protocol, parsing the converted signal of the communication module, and obtaining The status of all LEDs and the status of the buzzer; at the same time, the state of the microswitch and the state of the control module are converted into communication protocols that can be recognized by other control boards.

 A micro switch and one or more LEDs on each button light board constitute a button indication group, and are connected to the row and column control board in units of the button light board.

As can be seen from the preferred embodiment of the button structure described above, the recovery pad is removed from the control box. A layer of conductive film, insulating film, two-layer conductive film and other conventional parts achieve the thinning effect.

 The traditional control box is generally directly reinforced and installed on the car wall panel, so that the entire control box is thicker in use; it is also installed directly by using the car siding as a lower bottom cover, so that when the control box has problems Maintenance is very inconvenient. The control box provides a brand new installation method. For details, refer to FIG. 10. A hook 801a is added to the rear of the inner cover 340a of the control box, and four or six can be selected, and the car wall 803a corresponds to the corresponding one. The ground opening has a hanging hole 802a, and the hook 801a is directly hung to the corresponding through hole 802a of the car wall 803a, so that the ultra-thin use effect of the entire control box can be ensured, and the utility model can also be easily disassembled and unloaded, and the maintenance is convenient. . The invention provides an LED row and column control method for a control box of an elevator car. Referring to the flow chart of the LED row and column control method of the vertical box of Fig. 16, the following steps are performed:

 (1) The elevator control system issues an LED confirmation command, and the row control panel activates the LED row and column control program module;

 (2) The LED row and column control module on the row and column control panel traverses each LED of each row on the button light panel, and obtains a signal result from the column to which each LED belongs, and if a valid signal is obtained, judges the The LED is triggered to illuminate the LED. If no valid signal is obtained, it is determined that the LED is not triggered, and the LED is kept off.

 A preferred embodiment is provided herein. Referring to FIG. 11 in detail, it is a schematic diagram of the LED common anode and row control circuit, dividing the LED into several rows and a plurality of columns, and each row takes turns to perform effective row control. When the column is also valid, the row corresponds to The LED will light up. For example: Divide 4 LEDs (L1, L2, L3, L4) into 2 rows (LR1, LR2) and 2歹' J (LCI, LC2). LR1 and LR2 are connected to the row driver circuit respectively. LC1 and LC2 are connected to the column output respectively. Circuit.

 When the elevator control system issues an LED confirmation command, the row and column control board activates the LED row and column control program module;

 The LED row and column control module on the row and column control panel traverses each LED of each row on the button light panel.

 When the line is controlled to LR1, if the column to which LC1 belongs is valid, a valid signal is obtained, L1 will be illuminated; similarly, if the column to which LC2 belongs is valid, a valid signal is obtained, then L2 will illuminate.

When the line is controlled to LR2, if the column to which LC1 belongs is valid, a valid signal is obtained, and L3 will be lit. Similarly; if the column to which LC4 belongs is valid, a valid signal is obtained, then L4 will illuminate.

 FIG. 12 also discloses another preferred embodiment, which is a schematic diagram of the LED common cascode control circuit, which is similar to the workflow of the above embodiment, and will not be described again. The invention provides a control method of a button row and column of an elevator control box. Referring to the flow chart of the control method of the button row and column of the elevator control box, the following steps are performed:

 (1) The elevator control system issues a button confirmation command, and the row control panel 344 activates the button row control program module 812;

 (2) The button row and column control module 804 on the row and column control board 344 performs traversal control on each button of each row on the button lamp panel 343, and obtains a signal result from the column to which each button belongs to the row, and if a valid signal is obtained, Then, it is judged that the button is pressed, and if no valid signal is obtained, it is determined that the button is not pressed;

 (3) The row and column control board 344 performs statistics on the traversal control results on the button board 343 according to the button row and column control module 804 to determine the final valid button.

 Here is a specific embodiment: Referring to Figure 13, Figure 13 is a schematic diagram of the control circuit of the button row and column, dividing the four buttons Kl, K2, Κ3, Κ4 into two rows (KR1, KR2) and 2歹' J (KC1, KC2) ;

KR1 and KR2 are respectively connected to the row driving circuit, and KC1 and KC2 are respectively connected to the input reading circuit.

 When the line is controlled to KR1 (KR1 is valid, other lines are invalid), if KC1 obtains a valid signal, it means that K1 is pressed; similarly, if a valid signal is obtained from KC2, K2 is pressed.

 When the line is controlled to KR2, a valid signal can be obtained from KC1, indicating that K3 is pressed; if a valid signal is obtained from KC2, K4 is pressed.

 When multiple buttons on the same line are pressed at the same time, when the line is controlled to the line, a valid signal can be obtained on the column where the pressed button is located; for example: When KR1 is valid, if Kl and Κ2 are simultaneously pressed Underneath, both KC1 and KC2 can obtain valid signals.

When multiple buttons of different rows are pressed at the same time, only when the row is controlled to the row, the column of the pressed button can obtain a valid signal; for example: When KR1 is valid, if Kl and Κ4 are simultaneously pressed, KC1 can obtain a valid signal. The invention provides a control method of a control box of an elevator car, which can be seen in Figure 17 The control flow chart of the box is specifically carried out as follows:

 (1) After the button 310 is pressed, the conductive layer 501 corresponding to the button light board 343 of the electronic function unit 340 is touched to transmit a signal;

 (2) The conductive layer 501 transmits a touch signal to the row and column control board 344. When the button row and column control module 804 reads the row of the pressed button, the column signal of the button is obtained and sent to the communication protocol module.

814;

 (3) The communication protocol module 814 performs package and protocol conversion on the button related information, and uploads to the communication module 807;

 (4) The communication module 807 transmits the package information to the elevator control system for processing;

 (5) After the elevator control system processes the received package information, the processing information is sent to the communication module 807;

 (6) the communication module 807 sends the processing information to the communication protocol module 814;

 (7) The communication protocol module 814 performs protocol conversion on the processing information, and sends it to the control module 802. (8) The control module 802 analyzes the received protocol, and converts it into an indicator row and column signal, and sends it to the LED row and column control module 803. ;

 (9) The LED row and column control module 803 sends the information to the button light board 343, and illuminates the LED 410 corresponding to the button. In view of the idea provided by the present invention, there are variations in the specific embodiments and applications of the present invention, and such changes are also considered to be the scope of protection of the present invention. In summary, the content of the specification should not be construed as limiting the invention.

Claims

Rights request

 1. The control box of the elevator car comprises a plurality of buttons (310), an upper cover (320), a recovery pad (330) and a bottom box (350). After the button (310) passes through the upper cover (320), The inner end faces the recovery pad (330), and is characterized by further comprising an electronic functional unit (340), the electronic functional unit (340) comprising a plurality of button light boards (343) corresponding to each of the buttons (310) And row and column control board (344);

 The row and column control board (344) is connected to the button light board (343) for signal transmission;

(343) is separated from the inner end of the button (310) by a return pad (330), and corresponds to; the row control panel (344) is for receiving elevator running status information issued by the elevator control system; The row and column control of the instant key information when the elevator is running;

 The upper cover (320), the recovery pad (330) and the electronic functional unit (340) are fixedly connected and placed in the bottom box

( 350 ).

 2. The control box of claim 1 wherein each of said button light panels (343) comprises:

 a connector (412) for connecting a single button light board (343) and a row and column control board (344);

 LED (410), used to indicate the instant information of the valid button when the elevator is running, when the instant command of the valid button is received, the light is on, otherwise the light is off;

 The button wire set (411) is used to match the conductive layer of the recovery pad (330), and the circuit is turned on to generate a touch signal, and the button state is fed back to the row and column control board (344).

 3. The control box according to claim 2, wherein one of the button wire sets (411) and the at least one LED (410) on each of the button light plates (343) constitute a button indicating group (400), each The button indication group (400) is connected to the row and column control board (344) in units of the button light board (343).

 4. The control box according to claim 2 or 3, wherein said row and column control panel

(344) includes:

 a control module (802) for converting a button state of a control box of the elevator car into a communication protocol, and transmitting the button state to the elevator control system through the communication module (807);

 The LED row and column control module (803) is connected to the LED (410) on the button light board (343) for converting the signal of the main control chip (801) into a control signal of the LED, and controlling the brightness of the LED array in a row and column control manner. Extinguished

The button row and column control module (804) is connected to the button wire group (411) on the button light board (343). The column control mode obtains the state of each button, and converts the signal that can be recognized by the main control chip (801); the communication module (807) is used for converting the communication signal on the external connection line into the main control chip (801) to be recognized. Signal, and according to the communication protocol and control module (802) for information transmission;

 a power management module (806) for converting a voltage on the external connection line to a voltage required by the row and column control board (344) and the button light board (343);

 The buzzer module (805) is used to beep when the elevator system is overloaded or faulty.

 The control box according to claim 4, wherein the main control chip (801) comprises:

 The LED row and column control unit (811) separately strobes each row of the LED array by using a timer (813), and performs switching control on each column of the LED strobe row to realize on-off control of all LEDs;

 The button row and column control unit (812) controls the respective rows of the button array by using a timer (813), and obtains the state of the button connected to the gating row from each column to realize the state reading of all the buttons;

 The communication protocol unit (814) parses the converted signal of the communication module (807) to obtain all

The state of the LED (410) and the state of the buzzer (805); at the same time, the state of the button wire group (411) and the state of the control module (802) are converted into communication protocols that can be recognized by other row and column control boards for transmission.

 The control box according to claim 1, characterized in that the electronic functional unit (340) further comprises a display device (341) and/or a walkie-talkie (342).

 The control box according to claim 6, wherein the display module (701) of the display device (341) is mounted directly above the PCB circuit board (702) of the electronic function unit (340), and the display module ( 701) a display window corresponding to the upper cover (320); an electronic component (703) mounted directly under the PCB circuit board (702); an electronic functional unit (340) mounted on the lower side of the display device (341) on.

8. The control box of the elevator car, characterized by comprising a button (310a), an upper cover (320a), an electronic functional unit (330a) and a bottom box (340a), the upper cover (320a) and the bottom box ( 340a) is attached but has a gap in the middle and is fixedly connected. The electronic functional unit (330a) is sandwiched between the upper cover (320a) and the bottom case (340a), and the electronic functional unit (330a) includes a button light board ( 333a), the row and column control board (334a), the row and column control board (334a) and the button light board (333a) for signal transmission, and the row and column control board (334a) for receiving the elevator The elevator operating state information sent by the control system determines the external information command; the button light panel (333a) is used to complete the instant information row and column control of the valid button when the elevator is running; after the button (310a) passes through the upper cover (320a), The inner end faces the button light board (333a).

 9. The ultra-thin elevator control box according to claim 8, wherein the button light panel comprises:

 LED, which is used to indicate the instant information of the valid button of the elevator system. When the instant command of the valid button is received, the light is on, otherwise the light is off;

 The micro switch is used to generate the touch signal, and feedback the state of the button to the row and column control board; the connector is used to connect the single button light board and the row and column control board.

 10. The ultra-thin elevator control box according to claim 9, wherein the row and column control panel (334) comprises:

 The main control chip (601) realizes signal transmission between the modules;

 The control module (602) is configured to convert the state of the button in the elevator control box into a communication protocol, and send the signal to the elevator control system through the communication module (607);

 The LED row and column control module (603) is connected to the LED (511) on the button light board (333) for converting the signal of the main control chip (601) into a control signal of the LED, and controlling the LED array by the row and column control manner. Illuminated state

 The micro switch row and column control module (604) is connected with the micro switch (512) on the button light board (333), and obtains the state of each button in a row and column control manner, and is converted into a main control chip (601). Signal

 The communication module is configured to convert the communication signal on the external connection line into a signal that can be recognized by the main control chip, and transmit the information according to the communication protocol and the control module;

 The power management module is configured to convert the voltage on the external connection line into the voltage required by the row and column control board and the button light board, and at the same time filter the interference of the power supply and the protection module;

 Buzzer, used to implement the buzzer function, prompting the overload and fault status of the elevator system.

 11. The ultra-thin elevator control box according to claim 10, wherein the main control chip comprises:

a timer that implements the timing resources required by the module; The LED row and column control program module uses the timing resource to separately strobe each row of the LED array, and performs switching control on each column of the LED strobe row to realize the lighting control of all the LEDs;

 The button row and column control program module uses the timing resource to respectively strobe each row of the button array, and obtains the state of the button connected to the gating row from each column to realize state reading of all the buttons;

 The communication protocol module parses the converted signal of the communication module to obtain the status of all the LEDs and the status of the buzzer; and simultaneously converts the state of the micro switch and the state of the control module into a communication protocol that can be recognized by other control boards. .

 12 . The ultra-thin elevator control box according to claim 9 , wherein one micro switch and one or more LEDs on each button light board form a button indication group, and the button light board is used as a unit and a row The control board is connected.

 13. A method for controlling a row and a row of a control box of an elevator car, characterized in that the following steps are performed:

 (1) The elevator control system issues a button confirmation command, and the row control panel activates the button row and column control unit;

 (2) The button row and column control unit performs traverse control on each button of each row on the button light panel, and obtains a signal result from a column to which each button belongs, and if a valid signal is obtained, it is determined that the button is pressed. If the valid signal is not obtained, it is judged that the button is not pressed;

 (3) The row and column control board counts the traversal control results on the button light panel according to the button row unit to determine the final valid button.

 14. An LED row and column control method for a control box of an elevator car, characterized in that the following steps are performed:

 (1) The elevator control system issues an LED confirmation command, and the row control panel activates the LED row and column control unit;

(2) The LED row and column control unit on the row and column control panel traverses each LED of each row on the button lamp panel, and obtains a signal result from the column to which each LED belongs to the row, and if a valid signal is obtained, judges the The LED is triggered to illuminate the LED. If no valid signal is obtained, it is determined that the LED is not triggered, and the LED is kept off. 15. A control method for a control box of an elevator car, characterized in that the following steps are performed:

(1) After pressing the button, touch the conductive layer corresponding to the button light board to transmit the signal;

 (2) The conductive layer transmits a touch signal to the row and column control board. When the button row and column control module reads the row of the pressed button, the column signal of the button is obtained and sent to the communication protocol module;

 (3) The communication protocol module packages and converts the information related to the button and uploads it to the communication module;

 (4) The communication module transmits the package information to the elevator control system for processing;

 (5) After the elevator control system processes the received package information, it sends the processing information to the communication module;

 (6) The communication module sends the processing information to the communication protocol module;

 (7) the communication protocol module performs protocol conversion on the processing information, and sends it to the control module;

(8) The control module analyzes the received protocol and converts it into an indicator row and column signal, and sends it to the LED row and column control module;

 (9) The LED row and column control module sends the information to the button light board, and illuminates the LED corresponding to the button.