CN109052080A - A kind of elevator control system and method - Google Patents
A kind of elevator control system and method Download PDFInfo
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- CN109052080A CN109052080A CN201811074022.7A CN201811074022A CN109052080A CN 109052080 A CN109052080 A CN 109052080A CN 201811074022 A CN201811074022 A CN 201811074022A CN 109052080 A CN109052080 A CN 109052080A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Elevator Control (AREA)
Abstract
This application involves a kind of elevator control systems, and using single-chip microcontroller as master controller, control performance is stablized, it is higher to compare other elevator device cost performances, and privacy can be enhanced, improve reliability.And when passenger steps down on pressure sensor, i.e., lift stand doorway, single-chip microcontroller receive pressure signal, then controlling elevator door switch drives elevator door to open, and control speech player carries out enabling voice prompting, passenger can be prevented to be clipped by door, and reminding passengers promptly enter elevator.
Description
Technical Field
The application relates to the field of single-chip microcomputers, in particular to an elevator control system and method.
Background
With the social progress and the rapid development of high-rise buildings and big summer, the elevator demand is larger and larger, and the performance requirement is higher and higher. Early elevator control systems all adopt relays for control, and the control system has the disadvantages of slow operation capability, few functions, high failure rate and frequent occurrence of problems. By the end of the 20 th century, microprocessors have been developed at a high rate and are widely used in elevator control systems. The microprocessor control technology has powerful functions, fast running capacity and high efficiency, and may be used to replace available relay control system slowly. However, the existing system for controlling the elevator by means of a microprocessor is not perfect and the problem of the elevator door getting caught on a person is not improved.
Disclosure of Invention
To overcome, at least to some extent, the problems in the related art, the present application provides an elevator control system and method.
The scheme of the application is as follows:
an elevator control system comprising:
the pressure sensor is arranged outside the elevator door and used for sending a pressure signal after the sensed pressure is greater than a preset pressure threshold value;
the singlechip is used for receiving the pressure signal and an operation signal and generating a control signal according to the pressure signal and/or the operation signal, the operation signal is generated after a user presses a key, and the key comprises: inside button, the outside button of elevator, reset button, alarm button, control signal includes: display control signal, voice playing control signal, alarm control signal, rotation control signal, elevator door switch control signal;
the display is connected with the singlechip and used for receiving the display control signal and displaying information according to the display control signal;
the voice player is connected with the singlechip and used for receiving the voice playing control signal and carrying out voice playing according to the voice playing control signal;
the alarm is connected with the singlechip and used for receiving the alarm control signal and giving an alarm according to the alarm control signal;
the motor is connected with the single chip microcomputer and used for receiving the rotation control signal and rotating according to the rotation control signal so as to drive the elevator to move upwards or downwards;
and the elevator door switch is connected with the single chip microcomputer and used for receiving the elevator door switch control signal and driving the elevator door to be opened or closed according to the elevator door switch control signal.
Preferably, in combination with the above, in one possible implementation manner of the present application, the method further includes: the indicating lamps correspond to the keys respectively;
the control signal further includes: an indicator light control signal;
the indicating lamp is connected with the single chip microcomputer and used for receiving the indicating lamp control signal and conducting lighting or extinguishing according to the indicating lamp control signal.
Preferably, in combination with the above, in one possible implementation manner of the present application, a shielding layer is disposed on the pressure sensor.
Preferably, in a possible implementation of the present application, in combination with the above, the shielding layer is a carpet.
Preferably, in combination with the above, in a possible implementation manner of the present application, the motor is a stepping motor;
the rotation control signal includes: a forward rotation control signal and a reverse rotation control signal;
the stepping motor is used for ascending when receiving the forward rotation control signal and descending when receiving the reverse rotation control signal.
Preferably, in combination with the above, in one possible implementation manner of the present application, the single chip microcomputer is an STC89C52 single chip microcomputer.
An elevator control method comprising:
the single chip microcomputer receives a pressure signal and/or an operation signal, the pressure signal is sent by a pressure sensor arranged outside an elevator door after the sensed pressure is greater than a preset pressure threshold value, the operation signal is generated after a user presses a key, and the key comprises: the elevator comprises an elevator internal key, an elevator external key, a reset key and an alarm key;
if the pressure signal is received, controlling an elevator door switch to drive an elevator door to be opened, and controlling a voice player to carry out door opening voice prompt;
or if an operation signal is received and the key is an elevator external key or an elevator internal key, controlling a voice player to perform voice prompt of a floor corresponding to the operation signal, controlling an elevator door switch to drive an elevator door to open after the floor corresponding to the operation signal is reached, and controlling the display to display floor information corresponding to the operation signal; or,
if an operation signal is received and the key is a reset key, resetting is carried out according to the operation signal;
and if the operation signal is received and the key is an alarm key, controlling the voice player to perform alarm prompt.
Preferably, in combination with the above, in one possible implementation manner of the present application, the method further includes:
and if the operation signal is received, controlling an indicator lamp corresponding to the key generating the operation signal to be lightened.
Preferably, in combination with the above, in one possible implementation manner of the present application, the method further includes: and after the floor corresponding to the operation signal is reached, controlling an indicator lamp corresponding to the key generating the operation signal to be turned off.
Preferably, with reference to the above, in a possible implementation manner of the present application, after the floor corresponding to the operation signal is reached, the elevator door switch is controlled to drive the elevator door to open, and the method further includes: and controlling the voice player to carry out voice prompt of the floor corresponding to the operation signal.
The technical scheme provided by the application can comprise the following beneficial effects:
the elevator control system in this application regards singlechip as main control unit, and control performance is stable, and the contrast other elevator system price/performance ratios are higher, can strengthen the privacy moreover, have improved the reliability. And when the passenger steps on the pressure sensor, namely stands at the elevator door, the singlechip receives the pressure signal, then the elevator door switch is controlled to drive the elevator door to open, and the voice player is controlled to carry out the door opening voice prompt, so that the passenger can be prevented from being clamped by the door, and the passenger is reminded to tightly grasp the elevator.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a block diagram of an elevator control system provided in one embodiment of the present application;
fig. 2 is a circuit diagram of a single chip microcomputer according to an embodiment of the present application;
fig. 3 is a circuit diagram of a reset circuit of a single chip microcomputer according to an embodiment of the present application;
FIG. 4 is a circuit diagram of a display provided by one embodiment of the present application;
FIG. 5 is a circuit diagram of a voice player provided by one embodiment of the present application;
FIG. 6 is a circuit diagram of a motor provided by one embodiment of the present application;
fig. 7 is a flow chart of an elevator control method provided in an embodiment of the present application;
fig. 8 is another flow chart of an embodiment of the present application for providing elevator control.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of an elevator control system and method consistent with aspects of the present application as recited in the appended claims.
Fig. 1 is a block diagram of an elevator control system according to an embodiment of the present application, and referring to fig. 1, an elevator control system includes:
the pressure sensor 10 is arranged outside the elevator door and used for sending a pressure signal when the sensed pressure is greater than a preset pressure threshold value;
singlechip 1 for receiving pressure signal, and operating signal to according to pressure signal and/or operating signal generation control signal, operating signal is that the user produces after pressing the button, and the button includes: inside button 2 of elevator, the outside button 3 of elevator, reset button 4, alarm button 5, control signal includes: display control signal, voice playing control signal, alarm control signal, rotation control signal, elevator door switch 9 control signal;
the display 6 is connected with the singlechip 1 and used for receiving the display control signal and displaying information according to the display control signal;
the voice player 7 is connected with the singlechip 1 and used for receiving the voice playing control signal and carrying out voice playing according to the voice playing control signal; the alarm control device is also used for receiving the alarm control signal and giving an alarm according to the alarm control signal;
the motor 8 is connected with the singlechip 1 and used for receiving the rotation control signal and rotating according to the rotation control signal so as to drive the elevator to move upwards or downwards;
the elevator door switch 9 is connected with the single chip microcomputer 1 and used for receiving the control signal of the elevator door switch 9 and driving the elevator door to be opened or closed according to the control signal of the elevator door switch 9.
The single chip 1 is an integrated circuit chip, is a small and perfect microcomputer system formed by integrating the functions of a central processing unit CPU with data processing capacity, a random access memory RAM, a read only memory ROM, various I/O ports, an interrupt system, a timer/counter and the like on a silicon chip by adopting a very large scale integrated circuit technology, and is widely applied to the field of industrial control. The single chip microcomputer 1 is suitable for a control system of an elevator, can effectively prolong the service life of the elevator and greatly reduce materials required by a controller.
The elevator intelligent control system based on the single chip microcomputer 1 is stable in control performance, higher in cost performance compared with other elevator systems, capable of enhancing privacy and improved in reliability.
The selection of singlechip 1 has two schemes, and the first is STM32 series singlechip 1, and STM32 is a semiconductor microcontroller who has ST company's development, is 32 bit microcontroller, possesses digital signal processing, high performance. The system control program is relatively complex and the production cost is high.
Secondly, STC89C52 singlechip 1, refer to figure 2, STC89C52 belongs to low-consumption high-performance 8-bit microcontroller, and the memory that can be used for writing the program reaches 8 kbytes, and STC89C52 has carried out the optimization transformation of large tracts of land on traditional 51 singlechip 1, and is more sensitive and effective in each application, and with low costs, can produce in large quantities.
The embodiment can be but is not limited to using the STC89C52 single chip microcomputer 1 as the main controller.
The inner keys 2 of the elevator are keys in the elevator, are arranged on the wall surface in the elevator, are specifically digital keys and are used for inputting target floors.
The external keys 3 of the elevator are keys outside the elevator, are arranged on the wall surface outside the elevator, are specifically uplink keys or downlink keys, are all provided with uplink keys on the external wall surface of each layer of the elevator body except the top layer, are all provided with downlink keys on the external wall surface of each layer of the elevator body except the bottom layer, and are used for inputting uplink signals or downlink signals.
The singlechip system sometimes needs to carry out data clearing to the system in the working process, or when some unknown problems occur, the current situations such as incapability of running or running and the like occur in the singlechip 1, and the reset circuit is utilized to restart the singlechip 1 system to run at the moment. And when the reset key 4 is pressed, the singlechip 1 receives the operation signal, starts a reset circuit and restarts the system. The circuit diagram of the reset circuit refers to fig. 3.
The single chip microcomputer system also comprises a crystal oscillator circuit, namely a clock circuit which is often called, plays a vital role in the whole operation system of the single chip microcomputer, is a source of a system clock signal and is a provider of clock frequency. The single chip microcomputer system performs instruction work through received pulse signals, the crystal oscillator circuit consists of a crystal oscillator and two capacitors, and an oscillator is formed by connecting the crystal oscillator, the X1(P19) and the X2(P18) two inverter control pins of the single chip microcomputer and the capacitors. In principle, the clock frequency is in direct proportion to the operation of the single chip microcomputer system in the operation process of the single chip microcomputer system, but in the practical application process, the higher the frequency is, the better the operation of the whole system is, but the proper crystal frequency is selected according to the crystal frequency which can be borne by the adopted single chip microcomputer. In this embodiment, a 12M crystal is selected as the crystal oscillator of the single chip, and two identical 30 picofarad load capacitors are selected to prevent the stability of resonance from being affected by too large difference between capacitance values.
The alarm button 5 is arranged in the elevator, the problems that power failure, failure of the elevator door to open, failure of the motor 8 to operate and the like can occur in the working process of the elevator, the alarm button 5 is pressed at the moment, the single chip microcomputer 1 receives an operation signal, and the voice player 7 is controlled to give an alarm prompt.
In order to prevent passengers from being clamped when entering the elevator door, the pressure sensor 10 is arranged outside the elevator door, when the pressure sensor 10 senses pressure, a pressure signal is generated, the single chip microcomputer 1 sends an elevator door switch 9 control signal to the elevator door switch 9 after receiving the pressure signal, and the elevator door switch 9 controls the elevator door to be opened, so that the passengers are prevented from being clamped by the elevator door.
In order to prevent accidents such as sundries covering the pressure sensor 10 being not cleaned in time and the like, and the pressure sensor 10 is enabled to sense pressure all the time so as to send pressure signals to the single chip microcomputer 1 uninterruptedly, the pressure sensor 10 is set to send the pressure signals when the sensed pressure is larger than a preset pressure threshold value.
Referring to fig. 1, an elevator internal key 2, an elevator external key 3, a reset key 4 and an alarm key 5 are all connected with a single chip microcomputer 1, and are used for sending operation signals to the single chip microcomputer 1 when being pressed. The display 6, the voice player 7, the motor 8 and the elevator door switch 9 are also connected with the single chip microcomputer 1, and the single chip microcomputer 1 generates different control signals according to operation signals of different keys after receiving the operation signals.
If the single chip microcomputer 1 receives the pressure signal, the elevator door switch 9 is controlled to drive the elevator door to be opened, and the voice player 7 is controlled to carry out door opening voice prompt;
or if the single chip microcomputer 1 receives the operation signal and the key is an elevator external key 3 or an elevator internal key 2, the voice player 7 is controlled to perform voice prompt of the floor corresponding to the operation signal, the elevator door switch 9 is controlled to drive the elevator door to be opened after the floor corresponding to the operation signal is reached, and the display 6 is controlled to display the floor information corresponding to the operation signal; or,
if the singlechip 1 receives the operation signal and the key is the reset key 4, resetting is carried out according to the operation signal;
if the singlechip 1 receives the operation signal and the key is the alarm key 5, the voice player 7 is controlled to give an alarm prompt.
The common liquid crystal displays mainly include character-type and Chinese-character-type liquid crystal displays, such as Chinese-character-type LCD12864 and character-type LCD 1602. Since the embodiment does not need to display the chinese characters, the system selects the character type LCD1602 with lower cost as the display 6, fig. 4 is a circuit diagram of the display 6, and referring to fig. 4, the LCD1602 LCD includes VSS, VDD, VO, RS, RW, E, DB0-DB7, A, K16 connection control ports in total.
The VSS control port is grounded for the cathode of the display screen; and the VDD control port is a display screen anode connected with a single chip microcomputer positive 5-volt power supply.
The VO control port is connected with a slide rheostat and used for adjusting the dark brightness of the display screen. The slide rheostat is provided with three control pins, one control pin is connected with the VO end of the display screen, the other control pin is connected with a positive 5-volt power supply of the single chip microcomputer, and the last control pin is connected with the negative electrode of the single chip microcomputer. The voltage is changed by changing the resistance, so that the brightness of the display screen is adjusted.
The RS control port is a command output port, a register is selected by using high and low levels and is connected with a P10 pin of the singlechip, and when the P07 pin outputs a low level, the display screen performs a writing function on the command register; when the P07 pin outputs a high level, the display performs a "write" function to the data register.
The RW control port is a read-write output port, selects reading and writing by using high and low levels, is connected with a P11 pin of the singlechip, and executes write operation when the output of the P11 pin is low level, otherwise executes read operation when the output of the P11 pin is high level.
The control port E is an enabling control port in read-write operation and is connected with a P12 pin of the single chip microcomputer, and when the P12 pin outputs a low level, the single chip microcomputer writes display data into a display screen memory; when the P12 pin outputs a high level, the single chip reads the display data to the lcd panel.
The DO-D7 control port is a data transmission port and is connected with the P01-P07 of the single chip microcomputer. The singlechip is used for reading and operating the display data.
The A control port and the K control port are respectively the anode and the cathode of the backlight power line.
In this embodiment, BY8001 is adopted as a main control chip of the voice player 7. BY8001 is a double-decoding voice chip capable of supporting MP3 and WAV formats. The module is provided with a card seat, and playing contents can be replaced by connecting a card or a data line with a computer. The 3W power amplifier built in the module can directly drive the 3W loudspeaker to play voice. 3IO port hardware selects 8 trigger modes, and the application is wide. And functions of UART asynchronous serial port control such as pause, music up and down, volume up and down interpolation and inter-cut and the like are supported. The circuit diagram of the voice player 7 refers to fig. 5. The BUSY pin of BY8001 is connected with a diode small lamp through a 1K resistor and then grounded, and the small lamp is used as a voice module state indicator lamp. RX and TX are data transmission pins, RX is connected with a P31IO control port of the single chip microcomputer through a resistor, and TX is connected with a P30IO control port of the single chip microcomputer through a resistor. The SPK1 and SPK2 are connected with the loudspeaker and are used for driving the 3W loudspeaker to play voice. DP, DM are used for changing the broadcast content of TF card for the USB data link.
The circuit diagram of the motor 8 refers to fig. 6. Referring to fig. 6, the main control chip of the single chip microcomputer is respectively connected with pins I N1, I N2, I N3 and I N4 of the motor drive ULN2003 through control ports P23, P22, P21 and P20IO for signal transmission. The stepper motor used in the design is four-phase five-wire, and five data wires are directly connected with the OUT1-OUT5 pins of ULN 2003. GND is grounded, and VCC is connected to 5V voltage.
The single chip microcomputer in the implementation supplies power through a power circuit, and the power circuit is composed of a power socket and two capacitors. The power socket consists of two negative pins and one positive pin, the two negative pins are grounded, and the positive pin is connected with the positive pole of the power voltage. The two capacitors are used for ensuring the stable work of system current and preventing devices from being burnt, and the two capacitors are 470uF and 0.1uF respectively. The capacitance of 470uF is used for filtering high-frequency electric waves generated in the operation of the system, and the capacitance of 0.1uF is used for filtering low-frequency electric waves generated in the operation of the system.
In the embodiment, one end of an elevator internal key is grounded, the other end of the elevator internal key is respectively connected with P27, P26, P25 and P24IO control ports of a singlechip, and then the elevator internal key is connected with a positive power supply through a 1K resistor;
one end of the elevator external key is grounded, the other end of the elevator external key is respectively connected with the control ports of P37, P36, P35, P34, P33 and P32IO of the singlechip, and then the elevator external key is connected with the positive power supply through a 1K resistor;
one end of the alarm button is grounded, and the other end is connected with the control port of the singlechip P13 IO.
The elevator control system in this embodiment regards singlechip 1 as main control unit, and control performance is stable, and it is higher to compare other elevator system price/performance ratios, can strengthen the privacy moreover, has improved the reliability. And when the passenger steps on the pressure sensor 10, namely stands at the elevator door, the singlechip receives the pressure signal, then controls the elevator door switch to drive the elevator door to open, and controls the voice player to carry out door opening voice prompt, so that the passenger can be prevented from being clamped by the door, and is reminded to get into the elevator firmly.
In some embodiments of the elevator control system, the pressure sensor 10 is a semicircular pressure sensor, and a linear side of the semicircular pressure sensor 10 is close to the elevator door. So configured, the coverage of the pressure sensor 10 can be made larger while using less material.
The elevator control system in some embodiments, further comprising: the indicating lamps correspond to the keys respectively;
the control signal further includes: an indicator light control signal;
and the indicating lamp is connected with the single chip microcomputer 1 and used for receiving the control signal of the indicating lamp and turning on or off according to the control signal of the indicating lamp.
The keys can be made of transparent materials and embedded with indicator lamps.
One end of an elevator internal key is grounded, the other end of the elevator internal key is respectively connected with P27, P26, P25 and P24I O control ports of a singlechip, then is connected with an indicator lamp through a 1K resistor, and finally is connected with a positive power supply.
One end of an elevator external key is grounded, the other end of the elevator external key is respectively connected with control ports of P37, P36, P35, P34, P33 and P32IO of a singlechip, then the elevator external key is connected with an indicator lamp through a 1K resistor, and finally the elevator external key is connected with a positive power supply.
One end of the alarm key is grounded, the other end of the alarm key is connected with an indicator light through a 1K resistor, and finally the alarm key is connected with a control port of the singlechip P13 IO.
Each key corresponds to an indicator light, and if the single chip microcomputer 1 receives an operation signal, the indicator light corresponding to the key generating the operation signal is controlled to be turned on.
In this embodiment, whether the passenger successfully presses or not is prompted by lighting the indicator lamp.
In some embodiments of the elevator control system, a barrier is disposed over the pressure sensor 10. The pressure sensor 10 can be protected by shielding the pressure sensor 10 with a shielding layer, and the visual effect of passengers is not affected.
The shielding layer is required to be slightly larger than the pressure sensor 10 and cover the surface of the pressure sensor 10. When the preset pressure threshold of the pressure sensor 10 is set, the pressure occupied by the barrier layer should be removed.
Further, the shielding layer may be, but is not limited to, a carpet. The stall is beautiful and elegant, and is easy to obtain;
also can be a sponge layer. The sponge layer has a certain buffering effect on the impact of pressure, so that the pressure sensor 10 can be better protected;
and can also be a waterproof rubber mat. The pressure sensor 10 is protected from water by a waterproof rubber mat.
Preferably, in combination with the above, in one possible implementation manner of the present application, the motor 8 is a stepping motor;
the rotation control signal includes: a forward rotation control signal and a reverse rotation control signal;
and the stepping motor is used for ascending when receiving the forward rotation control signal and descending when receiving the reverse rotation control signal.
In the embodiment, a stepping motor is selected to execute the up-and-down operation of the elevator, the stepping motor is an open-loop control motor 8 for converting an electric pulse signal into angular displacement or linear displacement, is a main execution element in a modern digital program control system, and is extremely widely applied. In the case of non-overload, the rotation speed and the stop position of the motor 8 only depend on the frequency and the number of pulses of the pulse signal, and are not influenced by the load change, when the stepping driver receives a pulse signal, the stepping driver drives the stepping motor to rotate by a fixed angle called a 'step angle' in a set direction, and the rotation of the stepping motor is performed by one step at the fixed angle. The angular displacement can be controlled by controlling the number of pulses, so that the aim of accurate positioning is fulfilled; meanwhile, the rotating speed and acceleration of the motor 8 can be controlled by controlling the pulse frequency, so that the purpose of speed regulation is achieved.
In the embodiment, the single chip microcomputer 1 controls the stepping motor to perform purposeful linear movement at a constant speed so as to meet the performance requirement of up-and-down operation of the elevator.
An elevator control method comprising:
singlechip 1 receives pressure signal and/or operating signal, and pressure signal is that pressure sensor 10 that sets up outside the elevator door sends after the pressure that senses is greater than preset pressure threshold, and operating signal is that the user produces after pressing the button, and the button includes: an elevator inner key 2, an elevator outer key 3, a reset key 4 and an alarm key 5;
when receiving the operation signal, the singlechip 1 simultaneously performs a process of receiving the pressure signal if receiving the pressure signal;
and if the singlechip 1 receives the operation signal when receiving the pressure signal, the singlechip simultaneously receives the operation signal.
The flow of the single chip microcomputer 1 when receiving the pressure signal is as follows:
s21: the single chip microcomputer 1 receives a pressure signal;
s211: and controlling the elevator door switch 9 to drive the elevator door to be opened, and controlling the voice player 7 to carry out door opening voice prompt.
The flow of the single chip microcomputer 1 when receiving the operation signal is as follows:
s22: the singlechip 1 receives an operation signal;
when the key is an elevator external key 3 or an elevator internal key 2, executing
S221: controlling the voice player 7 to perform voice prompt of the floor corresponding to the operation signal, controlling the elevator door switch 9 to drive the elevator door to open after the floor corresponding to the operation signal is reached, and controlling the display 6 to display the floor information corresponding to the operation signal;
when the key is the reset key 4, execution is performed
S222: resetting according to the operation signal;
when the key is the alarm key 5, execution is performed
S223: and controlling the voice player 7 to perform alarm prompt.
According to the elevator control method in the embodiment, the singlechip 1 is used as the main controller, the control performance is stable, the cost performance is higher compared with other elevator systems, the privacy can be enhanced, and the reliability is improved. And when the passenger steps on the pressure sensor 10 (namely stands at the elevator door), the singlechip 1 receives the pressure signal, controls the elevator door switch 9 to drive the elevator door to open, and controls the voice player 7 to carry out door opening voice prompt, so that the passenger can be prevented from being clamped by the door.
Further, if the single chip microcomputer 1 receives the operation signal, an indicator lamp corresponding to a key generating the operation signal is controlled to be turned on.
And after the floor corresponding to the operation signal is reached, the indicator lamp corresponding to the key generating the operation signal is controlled to be turned off.
Whether the passenger successfully presses or not is prompted by the illumination of the indicator lamp.
After the floor corresponding to the operation signal is reached, the singlechip 1 controls the indicator lamp corresponding to the key generating the operation signal to be turned off so that the key can be turned on again after being pressed again.
Further, after the floor corresponding to the operation signal is reached, the elevator door switch 9 is controlled to drive the elevator door to open, and the method further comprises the following steps: and controlling the voice player 7 to perform voice prompt of the floor corresponding to the operation signal.
The single chip microcomputer 1 receives the operation signal, and executes the operation when the key is an elevator external key 3 or an elevator internal key 2
S221: the voice player 7 is controlled to perform voice prompt of the floor corresponding to the operation signal, the elevator door switch 9 is controlled to drive the elevator door to open after the floor corresponding to the operation signal is reached, and the display 6 is controlled to display the floor information corresponding to the operation signal.
After the floor corresponding to the operation signal is reached, the elevator door switch 9 is controlled to drive the elevator door to be opened, the voice player 7 is controlled to perform voice prompt of the floor corresponding to the operation signal, for example, an external key arranged on the 5 th floor is pressed, and after the elevator runs to the 5 th floor, the singlechip 1 controls the elevator door switch 9 to drive the elevator door to be opened, and then the voice player 7 is controlled to play voice prompt of the floor 5. Or the inner key corresponding to the 5 th floor is pressed, after the elevator runs to the 5 th floor, the singlechip 1 controls the elevator door switch 9 to drive the elevator door to be opened, and then controls the voice player 7 to play the voice prompt of reaching the 5 th floor.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. An elevator control system, comprising:
the pressure sensor is arranged outside the elevator door and used for sending a pressure signal after the sensed pressure is greater than a preset pressure threshold value;
the singlechip is used for receiving the pressure signal and an operation signal and generating a control signal according to the pressure signal and/or the operation signal, the operation signal is generated after a user presses a key, and the key comprises: inside button, the outside button of elevator, reset button, alarm button, control signal includes: display control signal, voice playing control signal, alarm control signal, rotation control signal, elevator door switch control signal;
the display is connected with the singlechip and used for receiving the display control signal and displaying information according to the display control signal;
the voice player is connected with the singlechip and used for receiving the voice playing control signal and carrying out voice playing according to the voice playing control signal; the alarm control device is also used for receiving the alarm control signal and giving an alarm according to the alarm control signal;
the motor is connected with the single chip microcomputer and used for receiving the rotation control signal and rotating according to the rotation control signal so as to drive the elevator to move upwards or downwards;
and the elevator door switch is connected with the single chip microcomputer and used for receiving the elevator door switch control signal and driving the elevator door to be opened or closed according to the elevator door switch control signal.
2. The elevator control system of claim 1, further comprising: the indicating lamps correspond to the keys respectively;
the control signal further includes: an indicator light control signal;
the indicating lamp is connected with the single chip microcomputer and used for receiving the indicating lamp control signal and conducting lighting or extinguishing according to the indicating lamp control signal.
3. The elevator control system of claim 1, wherein a barrier is disposed over the pressure sensor.
4. The elevator control system of claim 3, wherein the shade layer is a carpet.
5. The elevator control system of claim 1, wherein the motor is a stepper motor;
the rotation control signal includes: a forward rotation control signal and a reverse rotation control signal;
the stepping motor is used for ascending when receiving the forward rotation control signal and descending when receiving the reverse rotation control signal.
6. The elevator control system of claim 1, wherein the single chip microcomputer is an STC89C52 single chip microcomputer.
7. An elevator control method, comprising:
the single chip microcomputer receives a pressure signal and/or an operation signal, the pressure signal is sent by a pressure sensor arranged outside an elevator door after the sensed pressure is greater than a preset pressure threshold value, the operation signal is generated after a user presses a key, and the key comprises: the elevator comprises an elevator internal key, an elevator external key, a reset key and an alarm key;
if the pressure signal is received, controlling an elevator door switch to drive an elevator door to be opened, and controlling a voice player to carry out door opening voice prompt;
or if an operation signal is received and the key is an elevator external key or an elevator internal key, controlling a voice player to perform voice prompt of a floor corresponding to the operation signal, controlling an elevator door switch to drive an elevator door to open after the floor corresponding to the operation signal is reached, and controlling the display to display floor information corresponding to the operation signal; or,
if an operation signal is received and the key is a reset key, resetting is carried out according to the operation signal;
and if the operation signal is received and the key is an alarm key, controlling the voice player to perform alarm prompt.
8. The method of claim 7, further comprising:
and if the operation signal is received, controlling an indicator lamp corresponding to the key generating the operation signal to be lightened.
9. The method of claim 8, further comprising: and after the floor corresponding to the operation signal is reached, controlling an indicator lamp corresponding to the key generating the operation signal to be turned off.
10. The method of claim 7, wherein after the floor corresponding to the operation signal is reached, the elevator door switch is controlled to drive the elevator door to open, and the method further comprises: and controlling the voice player to carry out voice prompt of the floor corresponding to the operation signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811074022.7A CN109052080A (en) | 2018-09-14 | 2018-09-14 | A kind of elevator control system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811074022.7A CN109052080A (en) | 2018-09-14 | 2018-09-14 | A kind of elevator control system and method |
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| CN109052080A true CN109052080A (en) | 2018-12-21 |
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| CN201811074022.7A Withdrawn CN109052080A (en) | 2018-09-14 | 2018-09-14 | A kind of elevator control system and method |
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