CN106980279B - Automatic power-on and power-off control device for elevator - Google Patents
Automatic power-on and power-off control device for elevator Download PDFInfo
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- CN106980279B CN106980279B CN201710233033.4A CN201710233033A CN106980279B CN 106980279 B CN106980279 B CN 106980279B CN 201710233033 A CN201710233033 A CN 201710233033A CN 106980279 B CN106980279 B CN 106980279B
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- 238000001514 detection method Methods 0.000 claims description 21
- 230000005611 electricity Effects 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 2
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- 230000003203 everyday effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B25/00—Control of escalators or moving walkways
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Control (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses an automatic power-on and power-off control device for an elevator, which comprises a switch circuit and a controller, wherein the switch circuit is connected between a mains supply and an elevator power system, the controller judges the running state of the elevator when the elevator reaches the preset automatic power-off time, sends a stopping command to the elevator power system if the elevator is in a normal running state, automatically turns off an elevator power supply after waiting for the elevator to be in the stopping running state, and controls the switch circuit to act if the elevator is in the stopping running state so as to disconnect a power supply circuit between the mains supply and the elevator power system to turn off the elevator power supply; and when the elevator reaches the preset automatic power-on time, the switch circuit is controlled to act so as to be communicated with a power supply circuit between the commercial power and the elevator power system, thereby being communicated with an elevator power supply. The invention can automatically control the power on and power off of the elevator, thereby greatly saving the workload of operators.
Description
Technical Field
The invention relates to an elevator, in particular to an automatic power-on and power-off control of an elevator, such as an automatic handrail and a moving sidewalk.
Background
The escalator and the moving pavement are commonly used in places such as large malls, subway stations, airports and the like, and have more quantity; the escalator and the moving sidewalk in the places need to be closed at night, and the commercial power needs to be turned off, so that the situation that the commercial power is not turned off and is started by non-management personnel to serve is avoided, and potential safety hazards are avoided; before the escalator or the sidewalk is closed for service, the entrance and the exit of the service range are generally closed, and personnel access is stopped. In the morning, a manager needs to start the commercial power for each escalator or moving walk, start service, and close the commercial power in the evening; because of higher implementation environment requirements, the closing position of the commercial power is relatively remote, the operation is inconvenient, meanwhile, the service time of each ladder has a certain difference, management of different time periods is needed, and management personnel need to turn on electricity, turn on service and turn off power to close service every day according to different service times of the escalator and the sidewalk. The number of elevators in these places is large, so that the management difficulty is high and the operation is complicated. Therefore, a control device capable of automatically powering on and off the elevator is continued.
Disclosure of Invention
The invention aims to provide an automatic power-on and power-off control device for elevators, which is used for independently and effectively controlling the automatic power-on and power-off time of each elevator and simultaneously omitting personnel from stopping the elevator.
In order to achieve the above purpose, the invention discloses an automatic power-on and power-off control device for an elevator, which comprises a switch circuit and a controller, wherein the switch circuit is connected between a commercial power and an elevator power system, the controller judges the running state of the elevator when the elevator reaches the preset automatic power-off time, sends a stopping command to the elevator power system if the elevator is in a normal running state, automatically closes an elevator power supply after waiting for the elevator to be in the stopping running state, and controls the switch circuit to act if the elevator is in the stopping running state so as to disconnect a power supply circuit between the commercial power and the elevator power system to close the elevator power supply; and when the elevator reaches the preset automatic power-on time, the switch circuit is controlled to act so as to be communicated with a power supply circuit between the commercial power and the elevator power system, thereby being communicated with an elevator power supply.
Compared with the prior art, the automatic power-on and power-off control device has one automatic power-off time parameter and one automatic power-on time parameter, can automatically control the power on and power off of the elevator, and can save the workload by only starting service in the service time corresponding to the escalator and the moving sidewalk by related management personnel.
Preferably, the automatic power-on and power-off control device for the elevator further comprises a storage battery and a switch power supply, wherein the switch circuit is further connected between the storage battery and the input end of the switch power supply and between the commercial power and the input end of the switch power supply respectively, the output end of the switch power supply is connected with the controller and converts alternating current into direct current to supply power to the controller, the switch circuit controls the power supply line between the storage battery and the switch power supply to be conducted after the elevator power supply is turned off, and the power supply line between the commercial power and the switch power supply is disconnected, so that the storage battery supplies power to the controller; the switching circuit controls the power supply line between the commercial power and the switching power supply to be conducted after the switching circuit is communicated with the elevator power supply, and the power supply line between the storage battery and the switching power supply is disconnected, so that the commercial power supplies power to the controller.
Preferably, the switching power supply further sends a power supply detection signal to the controller after controlling the power supply line between the mains supply and the switching power supply to be disconnected, and the controller enters a sleep state after receiving the power supply detection signal and detects whether the elevator reaches the automatic power-on time.
Specifically, a first node, a second node and a power supply detection point are arranged on the controller, the controller disconnects the first node and the second node when the automatic power-off time is reached, and the first node and the second node are communicated when the automatic power-on time is reached; the switching circuit comprises a first relay, a second relay and a third relay, wherein a first normally-open contact, a second normally-open contact and a third normally-open contact of the third relay are respectively connected to a three-phase line of the mains supply so as to control the output of three-phase electricity on the three-phase line; the coil of the first relay is connected between any two phases of electricity output by the third relay, and the coil of the second relay is connected between two output ends of the storage battery after being connected with the normally closed contact of the first relay in series; the coils of the first node, the second node and the third relay are connected in series and then are connected between two output ends of the storage battery; the normally open contact of the second relay is connected between the storage battery and the switching power supply to control the connection and disconnection between the storage battery and the switching power supply, the normally closed contact of the second relay is connected between any two pieces of electricity output by the third relay, and the other normally open contact of the second relay is also connected between a level signal and the power supply detection point so that the power supply detection point receives the power supply detection signal.
Preferably, a first node and a second node are arranged on the controller, the controller disconnects the first node and the second node when the automatic power-off time is reached, and the first node and the second node are communicated when the automatic power-on time is reached; the switching circuit comprises a first relay, a second relay and a third relay, wherein a first normally-open contact, a second normally-open contact and a third normally-open contact of the third relay are respectively connected to a three-phase line of the mains supply so as to control the output of three-phase electricity on the three-phase line; the coil of the first relay is connected between any two phases of electricity output by the third relay, and the coil of the second relay is connected between two output ends of the storage battery after being connected with the normally closed contact of the first relay in series; the coils of the first node, the second node and the third relay are connected in series and then are connected between two output ends of the storage battery; the normally open contact of the second relay is connected between the storage battery and the switching power supply to control the connection and disconnection between the storage battery and the switching power supply, and the normally closed contact of the second relay is connected between any two pieces of electricity output by the third relay.
Preferably, the controller is further connected with the elevator power system, and is used for sending a control command to the elevator power system and obtaining a state command transmitted by the elevator power system, the controller judges the state of the elevator power system after the elevator reaches the automatic power-off time, when the elevator power system is in a running state, sends a stopping command to the elevator power system so as to slowly stop the elevator, and when receiving a stopping state transmitted by the elevator power system, the controller turns off an elevator power supply; and when the elevator power system is in a stop state, the elevator power supply is turned off.
Preferably, the controller further comprises a time setting unit and an input unit, wherein the input unit inputs external command information, and the time setting unit sets corresponding automatic power-off time and automatic power-on time according to the command information.
Drawings
Fig. 1 is a block diagram of an automatic power-on/off control device for an elevator according to the present invention.
Fig. 2 is a circuit diagram of an automatic power-on/off control device for an elevator according to another embodiment of the present invention.
Detailed Description
In order to describe the technical content, the constructional features, the achieved objects and effects of the present invention in detail, the following description is made in connection with the embodiments and the accompanying drawings.
Referring to fig. 1, the invention discloses an automatic power-on and power-off control device 100 for an elevator, which comprises a switch circuit 10 and a controller 20, wherein the switch circuit 10 is connected between a commercial power 101 and an elevator power system 30, the controller 20 judges the running state of the elevator when the elevator reaches a preset automatic power-off time T0, if the elevator is in a normal running state, sends a stopping command to the elevator power system 30, and waits for the elevator to be in a stopping running state and then automatically turns off an elevator power supply, and if the elevator is in the stopping running state, the switch circuit 10 is controlled to act so as to disconnect a power supply line between the commercial power 101 and the elevator power system 30 and thus turn off the elevator power supply; when the elevator reaches the preset automatic power-on time T1, the control switch circuit 10 is controlled to act so as to communicate the power supply line between the commercial power 101 and the elevator power system 30, thereby communicating the elevator power supply.
Referring to fig. 2, the automatic power-on/off control device 100 for an elevator further includes a storage battery 50 and a switching power supply 40, the switching circuit 10 is further connected between the storage battery 50 and an input end of the switching power supply 40, the utility power 101 and an input end of the switching power supply 40, an output end of the switching power supply 40 is connected with the controller 20 and converts ac power into dc power to power the controller 20, the switching circuit 10 controls a power supply line between the storage battery 50 and the switching power supply 40 to be turned on after the elevator power supply is turned off, and a power supply line between the utility power 101 and the switching power supply 40 is turned off, so that the storage battery 50 supplies power to the controller 20 through the switching power supply 40; the switching circuit 10 controls the power supply line between the mains supply 101 and the switching power supply 40 to be turned on after the elevator power supply is connected, and the power supply line between the storage battery 50 and the switching power supply 40 is turned off, so that the mains supply 101 supplies power to the controller 20 through the switching power supply 40.
With continued reference to fig. 2, the switching power supply 40 further transmits a power detection signal to the controller 20 after controlling the power supply line between the utility power 101 and the switching power supply 40 to be disconnected, and the controller 20 enters a sleep state upon receiving the power detection signal and detects whether the elevator reaches an automatic power-on time.
Specifically, the controller 20 is provided with a first node M0, a second node Y0 and a power supply detection point X1, the controller 20 disconnects the first node M0 and the second node Y0 when reaching the automatic power-off time, and connects the first node M0 and the second node Y0 when reaching the automatic power-on time; the switch circuit 10 includes a first relay K1, a second relay K2, and a third relay K3, where normally open contacts K3-1, K3-2, and K3-3 of the third relay K3 are respectively connected to three-phase lines of the mains supply 101 to control output of three-phase voltages L1, L2, and L3 on the three-phase lines; the coil of the first relay K1 is connected between two phases of electricity L1 and L2 of the output of the third relay K3, and the coil of the second relay K2 is connected with the normally closed contact K1-1 of the first relay K1 in series and then is connected between two output ends of the storage battery 50; the coils of the first node M0, the second node Y0 and the third relay K3 are connected in series and then connected between two output ends of the storage battery 50; the normally open contacts K2-1, K2-2 of the second relay K2 are connected between the storage battery 50 and the switching power supply 40 to control the connection and disconnection between the storage battery 50 and the switching power supply 40, the normally closed contacts K2-3, K2-4 of the second relay K2 are connected between the two pieces of electricity L2, L3 output by the third relay K3, and the other normally open contact K2-5 of the second relay K2 is also connected between a level signal and the power supply detection point X1, so that the power supply detection point X1 receives the power supply detection signal. In this embodiment, the level signal is low, and of course, the level signal may also be high.
The controller 20 is further connected to the elevator power system 30, and is configured to send a control command to the elevator power system 30 and obtain a status command sent by the elevator power system 30, and the controller 20 determines a status of the elevator power system 30 after the elevator reaches an auto-power-off time, sends a stop command to the elevator power system 30 to slowly stop the elevator when the elevator power system 30 is in a running state, and turns off an elevator power supply when receiving a stop status sent by the elevator power system 30; the elevator power supply is turned off when the elevator power system 30 is in a stopped state.
The controller 20 further includes a time setting unit and an input unit, wherein the input unit inputs external command information, and the time setting unit sets corresponding auto-power-off time and auto-power-on time according to the command information.
With reference to fig. 2, the operation of the automatic power-on/off control device 100 for an elevator according to the present invention will be described:
(1) After an output voltage switch (not shown) of the storage battery 50 is turned on, an output end of the storage battery 50 outputs an AC220V voltage; at this time, the controller 20 is not energized, the first node Y0 is not controlled to be conducted with the first node M0, the coil of the third relay K3 in the corresponding loop is disconnected, and the normally open contacts K3-1, K3-2, K3-3 are in an open state. At this time, the coil of the first relay K1 is not powered, the normally closed contact K1-1 is in a closed state, the second relay K2 is conducted due to the power supply of the storage battery 50, the normally open contacts K2-1, K2-2 and K2-5 of the corresponding second relay are attracted, the normally closed contacts K2-3 and K2-4 are disconnected, and therefore the power supply of the external power grid to the controller 20 is ensured to be cut off, the storage battery 50 supplies power to the switching power supply 40, and the switching power supply 40 supplies power to the controller 20. At this time, the power detection point X1 receives the power detection signal due to the attraction of the normally open contacts K2-5, and determines that the storage battery 50 is powered, in this case, the controller 20 enters a sleep state, and detects whether the elevator reaches the automatic power-on time T1, that is, the controller 20 does not perform other control signal processing, and controls the on/off of the first node M0 and the second node Y0 only according to the automatic power-on time T1.
(2) When the system time of the controller 20 reaches the set automatic power-on time T1, the controller 20 controls the first node M0 and the second node Y0 to be turned on. At this time, the coil of the third relay K3 is energized, and the normally open contacts K3-1, K3-2, K3-3, and the utility power 101 supply power to the elevator power system 30. At the same time, the coil of the first relay K1 is electrified and attracted, and the corresponding normally-closed contact K1-1 is disconnected; the coil of the second relay K2 is opened, the corresponding normally open contacts K2-1, K2-2 and K2-5 are opened, the normally closed contacts K2-3 and K2-4 are closed, the mains supply 101 supplies power to the switching power supply 40, the switching power supply 40 supplies power to the controller 20, and the normally open contacts K2-1 and K2-2 ensure that the storage battery 50 cuts off power supply to the controller 20 under the condition that the mains supply 101 supplies power. Meanwhile, as the normally open contact K2-5 is opened, the power detection point X1 does not detect the power detection signal and determines that the power is supplied by the mains supply, in this case, the controller 20 exits from the sleep state and can control other signals to control the operation of the elevator power system 30 of the elevator.
(3) When the system time of the controller 20 reaches the set automatic power-off time T0, (1) if the elevator is in a running state, the controller 20 outputs a elevator stopping command to the elevator power system 30 through a transmission channel between the controller 20 and the elevator power system 30, the elevator power system 30 slowly stops the elevator according to the elevator stopping command, and after the elevator stops running, the controller 20 controls the first node M0 and the second node Y0 to be disconnected; (2) if the elevator is in the stop state, the controller 20 directly controls the first node M0 and the second node Y0 to be disconnected. At this time, the coil of the third relay K3 is deenergized, the corresponding normally open contacts K3-1, K3-2, K3-3 are opened, the commercial power 101 is deenergized, the commercial power 101 does not supply power to the elevator power system 30, and the controller 20 is not supplied with power. The coil of the first relay K1 is deenergized, the normally closed contact K1-1 is closed, the second relay K2 is energized to close the normally open contacts K2-1, K2-2, and the storage battery 50 supplies power to the controller 20 through the switching power supply 40.
(4) The automatic energization and de-energization control apparatus 100 for an elevator enters the automatic energization and de-energization control state of the loop of the above steps (1) to (3).
The automatic power-on time T1 and the automatic power-off time T0 can be respectively set according to different service positions and time of each elevator, for example, 6:00 of each morning is automatically powered on, and 23:00 of each evening is powered off.
The foregoing description of the preferred embodiments of the present invention is not intended to limit the scope of the claims, which follow, as defined in the claims.
Claims (3)
1. An automatic power-on and power-off control device for an elevator, which is used for an escalator and a moving walk, and is characterized in that: the three-phase power supply control circuit comprises a switch circuit, a controller, a storage battery and a switch power supply, wherein a first node, a second node and a power supply detection point are arranged on the controller, the switch circuit is connected between a commercial power and an elevator power system, between the storage battery and an input end of the switch power supply and between the commercial power and an input end of the switch power supply, the switch circuit comprises a first relay, a second relay and a third relay, coils of the first node, the second node and the third relay are connected in series and then are connected between two output ends of the storage battery, and three normally open contacts of the third relay are respectively connected on three-phase lines of the commercial power to control the output of the three-phase power on the three-phase lines; the coil of the first relay is connected between any two-phase electricity of the output of the third relay; the coil of the second relay is connected in series with the normally closed contact of the first relay and then is connected between two output ends of the storage battery; the normally open contact of the second relay is connected between the storage battery and the switching power supply to control the connection and disconnection between the storage battery and the switching power supply, the normally closed contact of the second relay is connected between any two phases of electricity output by the third relay, the other normally open contact of the second relay is also connected between a level signal and the power supply detection point, so that the power supply detection point receives a power supply detection signal output by the switching power supply after a power supply circuit between the commercial power and the switching power supply is disconnected, and the controller receives the power supply detection signal to enter a dormant state and detects whether the elevator reaches automatic power-on time; when the elevator reaches the preset automatic power-off time, the controller judges the running state of the elevator, if the elevator is in the normal running state, a stop command is sent to the elevator power system, so that the elevator power system slowly stops the elevator according to the stop command, the first node and the second node are disconnected to automatically close the elevator power supply after the elevator is in the stop running state, and if the elevator is in the stop running state, the switch circuit is controlled to act so as to disconnect the first node and the second node to disconnect the power supply line between the commercial power and the elevator power system, and thus the elevator power supply is closed; when the elevator reaches the preset automatic power-on time, the switch circuit is controlled to act, and the first node and the second node are communicated to be communicated with a power supply circuit between the commercial power and the elevator power system so as to be communicated with an elevator power supply.
2. The automatic power-on and power-off control device for an elevator according to claim 1, characterized in that: the controller is also connected with the elevator power system and is used for sending a control command to the elevator power system and obtaining a state command transmitted by the elevator power system, the controller judges the state of the elevator power system after the elevator reaches the automatic power-off time, and when the elevator power system is in a running state, the controller sends a stopping command to the elevator power system so as to slowly stop the elevator and turns off an elevator power supply when receiving a stopping state transmitted by the elevator power system; and when the elevator power system is in a stop state, the elevator power supply is turned off.
3. The automatic power-on and power-off control device for an elevator according to claim 1, characterized in that: the controller also comprises a time setting unit and an input unit, wherein the input unit inputs external command information, and the time setting unit sets corresponding automatic power-off time and automatic power-on time according to the command information.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710233033.4A CN106980279B (en) | 2017-04-11 | 2017-04-11 | Automatic power-on and power-off control device for elevator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710233033.4A CN106980279B (en) | 2017-04-11 | 2017-04-11 | Automatic power-on and power-off control device for elevator |
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| CN106980279A CN106980279A (en) | 2017-07-25 |
| CN106980279B true CN106980279B (en) | 2024-01-02 |
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| CN201710233033.4A Active CN106980279B (en) | 2017-04-11 | 2017-04-11 | Automatic power-on and power-off control device for elevator |
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Families Citing this family (2)
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| CN112420449B (en) * | 2020-11-25 | 2024-03-19 | 上海新时达电气股份有限公司 | Elevator locking system and elevator |
| CN114859797B (en) * | 2022-07-06 | 2022-10-25 | 江苏邑文微电子科技有限公司 | Power supply control system and power supply control method |
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| CN206077065U (en) * | 2016-08-27 | 2017-04-05 | 何春廷 | Auto switching electric source system |
| CN206960882U (en) * | 2017-04-11 | 2018-02-02 | 快意电梯股份有限公司 | Auto-power on power-down control device for elevator |
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| CN106980279A (en) | 2017-07-25 |
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