CN111362077A - Elevator monitoring system for preventing children from taking elevator alone - Google Patents
Elevator monitoring system for preventing children from taking elevator alone Download PDFInfo
- Publication number
- CN111362077A CN111362077A CN202010338870.5A CN202010338870A CN111362077A CN 111362077 A CN111362077 A CN 111362077A CN 202010338870 A CN202010338870 A CN 202010338870A CN 111362077 A CN111362077 A CN 111362077A
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- Prior art keywords
- elevator
- main control
- height detection
- detection assembly
- height
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0012—Devices monitoring the users of the elevator system
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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
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses an elevator monitoring system for preventing children from taking alone, which is characterized in that a first height detection assembly and a second height detection assembly are sequentially arranged on an elevator car from top to bottom to respectively detect the entering of the children and adults, a main control device judges that the children enter the elevator at present when receiving a detection signal of the first height detection assembly, and judges that the adults do not take the elevator alone at present when not receiving the detection signal of the second height detection assembly within preset time, the main control device controls an elevator door to be in an open state and not to respond to any calling operation, and controls an alarm device to give an alarm so as to prevent accidents and avoid safety accidents caused by improper behavior of the children taking alone.
Description
Technical Field
The invention relates to the technical field of elevator monitoring, in particular to an elevator monitoring system for preventing children from taking the elevator alone.
Background
The elevator becomes an indispensable vehicle in people's life, and when making things convenient for the trip, also brought a lot of accidental injuries. The safety consciousness of most children aged 2-6 in China is low, and the danger identification and prevention capability possibly occurring in life is low. The behaviors of jumping in the elevator car, pressing an elevator button in disorder, blocking the elevator door by a body, taking off the elevator door in disorder and the like of children are frequently repeated in the elevator taking process, and the behaviors have the hidden danger of safety accidents.
The control system of present elevator can't discriminate whether the passenger is adult or child, can't distinguish whether child takes alone, breaks away from guardian's control when child, takes the elevator alone, often can take place serious incident.
Disclosure of Invention
In view of the above, a first object of the present invention is to provide an elevator monitoring system for preventing a child from taking an elevator alone, so as to prevent safety accidents and the like when the child leaves a guardian to monitor the elevator taking the elevator alone.
In order to achieve the first object, the invention provides the following technical scheme:
an elevator monitoring system for preventing a child from riding alone, comprising:
the first height detection assembly and the second height detection assembly are sequentially arranged on the elevator car from bottom to top so as to respectively detect the entry of children and adults;
and the main control device is respectively connected with the first height detection assembly and the second height detection assembly, and when the main control device receives a detection signal of the first height detection assembly and does not receive a detection signal of the second height detection assembly within preset time, the main control device controls the elevator door to be in an open state and controls the alarm device to give an alarm.
Preferably, the alarm device comprises a wireless communication module connected with a preset associated terminal of the elevator, so as to send a short message to the preset associated terminal when alarming.
Preferably, the elevator door control system further comprises a relay with a normally closed contact connected between the main control device and the elevator door control system, a relay driving circuit is arranged between the main control device and the relay, and the relay driving circuit comprises an optical coupler, a triode and a resistor; the main control device controls the normally closed contact of the relay to be disconnected so as to control the elevator door to be in an opening state.
Preferably, the first height detection assembly and the second height detection assembly are photoelectric correlation switches respectively, and each photoelectric correlation switch comprises a receiver and a transmitter which are oppositely arranged along two sides of the car wall of the elevator car respectively.
Preferably, the wireless communication module is a GSM wireless module, and the wireless communication module is connected to the main control device via a serial port.
Preferably, the alarm device further comprises an audible and visual alarm arranged in the main control room.
Preferably, the first height detection assembly is arranged at a height of 70-90cm, and the second height detection assembly is arranged at a height of 120-140 cm.
Preferably, the main control device is a single chip microcomputer, and the single chip microcomputer includes a power circuit, a clock circuit, a reset circuit, and a first signal isolation circuit and a second signal isolation circuit for respectively connecting with the first height detection assembly and the second height detection assembly.
The invention provides an elevator monitoring system for preventing children from taking alone, which comprises: the first height detection assembly and the second height detection assembly are sequentially arranged on the elevator car from bottom to top so as to respectively detect the entry of children and adults; and the main control device is respectively connected with the first height detection assembly and the second height detection assembly, and when receiving the detection signal of the first height detection assembly and not receiving the detection signal of the second height detection assembly within preset time, the main control device controls the elevator door to be in an open state and controls the alarm device to give an alarm.
By applying the elevator monitoring system for preventing the children from taking alone, the first height detection assembly and the second height detection assembly are sequentially arranged on the elevator car from top to bottom to respectively detect the entering of the children and the adults, the main control device judges that the children enter the elevator at present when receiving the detection signal of the first height detection assembly, and judges that the adults do not take the elevator alone at present when not receiving the detection signal of the second height detection assembly within the preset time, the main control device controls the elevator door to be in an open state to not respond to any calling operation, and controls the alarm device to give an alarm so as to prevent accidents and avoid safety accidents caused by improper actions when the children take the elevator alone.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an elevator monitoring system for preventing a child from taking a car alone according to an embodiment of the present invention;
fig. 2 is a schematic view of an installation structure of an elevator according to an embodiment of the present invention;
FIG. 3 is a circuit diagram of a clock circuit according to an embodiment of the present invention;
FIG. 4 is a circuit diagram of a reset circuit according to an embodiment of the present invention;
fig. 5 is a schematic block diagram of a relay and elevator door motor control circuit provided in an embodiment of the present invention.
The drawings are numbered as follows:
the height detection device comprises a first height detection assembly 1, a main control device 2, a second height detection assembly 3, a detection rod 4, a preset association terminal 5, an alarm device 6, a wireless communication module 61 and an audible and visual alarm 62.
Detailed Description
The embodiment of the invention discloses an elevator monitoring system for preventing children from taking an elevator independently, which is used for preventing the problems of safety accidents and the like when the children take the elevator independently from the supervision of a guardian.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, fig. 1 is a schematic structural diagram of an elevator monitoring system for preventing a child from taking alone according to an embodiment of the present invention; fig. 2 is a schematic view of an installation structure of an elevator according to an embodiment of the present invention.
In one specific embodiment, the present invention provides an elevator monitoring system for preventing a child from riding alone, comprising:
the elevator car is provided with a first height detection assembly 1 and a second height detection assembly 3 which are sequentially arranged from bottom to top on the elevator car so as to respectively detect the entry of children and adults;
and the main control device 2 is respectively connected with the first height detection assembly 1 and the second height detection assembly 3, and when the main control device 2 receives the detection signal of the first height detection assembly 1 and does not receive the detection signal of the second height detection assembly 3 within a preset time, the main control device controls the elevator door to be in an open state and controls the alarm device 6 to give an alarm.
The first height detection assembly 1 and the second height detection assembly 3 can be set to be an infrared sensor or a light curtain sensor and the like, the first height detection assembly 1 and the second height detection assembly 3 are preferably arranged on the car wall of the elevator car, or the first height detection assembly 1 and the second height detection assembly 3 are arranged on the detection rod 4 by arranging the detection rod 4 on the car wall of the car door, so that fixation is realized. The first height detection assembly 1 and the second height detection assembly 3 are preferably arranged on the same car wall, or in one embodiment, the first height detection assembly 1 comprises two first height detection pieces oppositely arranged on the car walls on the left side and the right side respectively, and similarly, the second height detection assembly 3 comprises two second height detection pieces, so that the detection precision is improved, and false alarm is prevented. The height of the first height detecting assembly 1 is preferably set to be 70-90cm, the height of the second height detecting assembly 3 is preferably set to be 120-140cm, and the height setting of the first height detecting assembly 1 and the second height detecting assembly 3 can be carried out according to the average height of adults and children in the using environment, and the invention is within the protection scope of the invention.
First height detection subassembly 1 and second height detection subassembly 3 are connected through the communication line with main control set 2 respectively to realize signal transmission, main control set 2 can be specifically for main control chip or other equipment that have control function, after main control set 2 received first height detection subassembly 1's detected signal, judge whether receive second height detection subassembly 3's detected signal in the time of predetermineeing, if no, show that there is the children of height between first height detection subassembly 1 and second height detection subassembly 3 to get into the elevator at present, do not have the adult to get into the elevator simultaneously, the time of predetermineeing can set up to three minutes, in other embodiments, also can set up to other times, set up as required. When only children enter, the main control device 2 controls the elevator door to be in an opening state, the control can be performed in a mode of breaking a circuit where the elevator door is located, the control mode of the elevator door can be set according to needs, and the alarm device 6 can be specifically an alarm lamp arranged on the outer side of the elevator room or a buzzer arranged in the main control room.
It can be understood that when the first height detecting assembly 1 and the second height detecting assembly 3 simultaneously receive the detecting signal, indicating that an adult having a height exceeding the second height detecting assembly 3 currently enters the elevator, the distance between the first height detecting assembly 1 and the second height detecting assembly 3 can be set as required.
By applying the elevator monitoring system for preventing the children from taking alone, the first height detection assembly 1 and the second height detection assembly 3 are sequentially arranged on the elevator car from top to bottom to respectively detect the entering of the children and the adults, the main control device 2 judges that the children enter the elevator at present when receiving the detection signal of the first height detection assembly 1, and judges that the children do not take the elevator alone when not receiving the detection signal of the second height detection assembly 3 within the preset time, the main control device 2 controls the elevator door to be in an open state to not respond to any calling operation and controls the alarm device 6 to give an alarm so as to prevent the accidents caused by the improper behavior of the children taking the elevator alone.
Specifically, the alarm device 6 comprises a wireless communication module 61 connected with the preset elevator associated terminal 5 to send a short message to the preset elevator associated terminal 5 when alarming, and the wireless communication module 61 is connected with the preset elevator associated terminal 5, such as a mobile terminal, and can remind a user of the current position of the alarm elevator in a short message sending mode, so that managers can give an alarm and locate the elevator in time, and rescue time is shortened. The preset associated terminal 5 may also be a display in the main control room, and the current alarm condition of the manager is reminded by displaying reminding information on the display. The wireless communication module 61 is specifically a GSM wireless module, and the wireless communication module 61 and the main control device 2 are connected via a serial port. The GSM wireless module can send an alarm signal and a short message of the position of the elevator to a manager so as to facilitate the manager of the elevator to take response measures in time, the GSM wireless module is connected with the main control device 2 through a serial port, the main control device 2 sends information including the reason of the alarm, the position of the elevator and the number of a mobile phone to the GSM wireless module through the serial port and completes sending the short message to the relevant mobile phone number, and the GSM wireless module is a mature existing device with functions of serial port information input and short message sending.
Preferably, the alarm device 6 further comprises an audible and visual alarm 62 arranged in the main control room, the audible and visual alarm 62 is connected with the main control device 2 through a wireless communication module 61, signals are transmitted to the main control room from the top plate of the elevator car, audible and visual alarm is performed, and therefore managers in the main control room are reminded, wherein the audible and visual alarm 62 can be replaced by a buzzer, an indicator lamp and the like, and the audible and visual alarm is within the protection scope of the invention.
In one embodiment, the elevator door control system further comprises a relay with a normally closed contact connected between the main control device 2 and the elevator door control system, a relay driving circuit is arranged between the main control device 2 and the relay, and the relay driving circuit comprises an optical coupler, a triode and a resistor; the main control device 2 controls the normally closed contact of the relay to be disconnected so as to control the elevator door to be in an opening state.
As shown in fig. 5, fig. 5 is a schematic block diagram of a relay and elevator door control circuit provided in an embodiment of the present invention. The main control device 2 controls the on-off of the elevator door motor control circuit through the relay to control the elevator door, the relay drive circuit amplifies the drive current so as to control the relay to act, the normally closed contact of the relay is connected into the elevator car top plate and the elevator door motor control loop, the type of the relay is selected according to the voltage of the elevator door motor control loop, and generally, the withstand voltage of the relay contact is greater than the voltage of the elevator door motor control loop. The connection relationship among the optocoupler, the triode, the resistor and the relay driving circuit can refer to the prior art, and is not described herein again.
During operation, the main control device 2 controls the normally closed contact of the relay to be disconnected, so that the loop of the car top plate and the door machine control system is disconnected, and the elevator door is controlled to be in an opening state.
In one embodiment, each of the first height detecting assembly 1 and the second height detecting assembly 3 is a photoelectric correlation switch including a receiver and a transmitter oppositely disposed along two sides of a wall of the elevator car.
The photoelectric correlation switch comprises a receiver and a transmitter, the receiver is arranged on one side of the car wall of the elevator car, the transmitter is arranged on the other side of the car wall of the elevator car, and preferably, the receivers of the first height detection assembly 1 and the second height detection assembly 3 are arranged on the same side. The specific type of the photoelectric correlation switch can be set according to the requirement. Preferably, the first height detecting assembly 1 is disposed at 80cm, and the second height detecting assembly 3 is disposed at 130 cm.
On the basis of the above embodiments, the main control device 2 is specifically a single chip microcomputer, and the single chip microcomputer includes a power supply circuit, a clock circuit, a reset circuit, and a first signal isolation circuit and a second signal isolation circuit for respectively connecting with the first height detection assembly 1 and the second height detection assembly 3.
As shown in fig. 3 and 4, fig. 3 is a circuit diagram of a clock circuit according to an embodiment of the present invention; fig. 4 is a circuit diagram of a reset circuit according to an embodiment of the present invention. The clock circuit provides the clock frequency of work for the singlechip, and Y1 is the crystal oscillator, adopts 12 MHz's passive crystal oscillator, and wherein, C2, C3 are electric capacity, set up to 30pF generally, and X1, X2 are the pin end. The Reset circuit is used for power-on Reset and manual Reset of the CPU, wherein C1 is a capacitor, generally 10UF, D1 is a diode, R9 is a resistor, and Reset is a Reset switch. The circuits and the connection relationship of the clock circuit, the clock circuit and the reset circuit and the signal isolation circuit can be set according to the development level of the prior art.
The first signal isolation circuit and the second signal isolation circuit achieve signal acquisition and drive isolation of the detection assembly, and the photoelectric switch isolates a switch signal through an optical coupler after completing height detection and enters an input port of the single chip microcomputer. Preferably, the singlechip is an AT89C51 type singlechip.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (8)
1. An elevator monitoring system for preventing a child from riding alone, comprising:
the first height detection assembly and the second height detection assembly are sequentially arranged on the elevator car from bottom to top so as to respectively detect the entry of children and adults;
and the main control device is respectively connected with the first height detection assembly and the second height detection assembly, and when the main control device receives a detection signal of the first height detection assembly and does not receive a detection signal of the second height detection assembly within preset time, the main control device controls the elevator door to be in an open state and controls the alarm device to give an alarm.
2. The elevator monitoring system for preventing children from taking alone according to claim 1, wherein the alarm device comprises a wireless communication module for connecting with a preset associated terminal of the elevator to send a short message to the preset associated terminal when alarming.
3. The elevator monitoring system for preventing children from taking alone according to claim 1, further comprising a relay with a normally closed contact connected between the main control device and an elevator door machine control system, wherein a relay driving circuit is arranged between the main control device and the relay, and the relay driving circuit comprises an optical coupler, a triode and a resistor; the main control device controls the normally closed contact of the relay to be disconnected so as to control the elevator door to be in an opening state.
4. The elevator monitoring system for preventing children from taking alone according to claim 1, wherein the first height detecting assembly and the second height detecting assembly are each a photoelectric correlation switch including a receiver and a transmitter oppositely disposed along two sides of a wall of the elevator car.
5. The elevator monitoring system for preventing children from taking alone according to claim 2, wherein the wireless communication module is a GSM wireless module, and the wireless communication module is connected with the main control device through a serial port.
6. The elevator monitoring system for preventing children from taking alone according to claim 2, wherein the alarm device further comprises an audible and visual alarm provided in the main control room.
7. The elevator monitoring system for preventing children from taking alone according to claim 1, wherein the first height detecting assembly is set at a height of 70-90cm, and the second height detecting assembly is set at a height of 120-140 cm.
8. The elevator monitoring system for preventing children from taking alone according to any one of claims 1 to 7, wherein the master control device is a single chip microcomputer, and the single chip microcomputer comprises a power circuit, a clock circuit, a reset circuit, and a first signal isolation circuit and a second signal isolation circuit for connecting with the first height detection assembly and the second height detection assembly respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010338870.5A CN111362077A (en) | 2020-04-26 | 2020-04-26 | Elevator monitoring system for preventing children from taking elevator alone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010338870.5A CN111362077A (en) | 2020-04-26 | 2020-04-26 | Elevator monitoring system for preventing children from taking elevator alone |
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| Publication Number | Publication Date |
|---|---|
| CN111362077A true CN111362077A (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010338870.5A Pending CN111362077A (en) | 2020-04-26 | 2020-04-26 | Elevator monitoring system for preventing children from taking elevator alone |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112125084A (en) * | 2020-09-24 | 2020-12-25 | 立达博仕电梯（苏州）有限公司 | Elevator safety system |
| CN112723050A (en) * | 2020-12-11 | 2021-04-30 | 浙江欧姆龙电梯有限公司 | Elevator control system |
| CN112811281A (en) * | 2020-12-30 | 2021-05-18 | 浙江欧姆龙电梯有限公司 | Vertical lifting device based on signal identification triggers |
-
2020
- 2020-04-26 CN CN202010338870.5A patent/CN111362077A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112125084A (en) * | 2020-09-24 | 2020-12-25 | 立达博仕电梯（苏州）有限公司 | Elevator safety system |
| CN112723050A (en) * | 2020-12-11 | 2021-04-30 | 浙江欧姆龙电梯有限公司 | Elevator control system |
| CN112811281A (en) * | 2020-12-30 | 2021-05-18 | 浙江欧姆龙电梯有限公司 | Vertical lifting device based on signal identification triggers |
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