CN220642142U - Elevator control system with door closing prompt function - Google Patents
Elevator control system with door closing prompt function Download PDFInfo
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- CN220642142U CN220642142U CN202321768646.5U CN202321768646U CN220642142U CN 220642142 U CN220642142 U CN 220642142U CN 202321768646 U CN202321768646 U CN 202321768646U CN 220642142 U CN220642142 U CN 220642142U
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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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Abstract
The utility model discloses an elevator control system with a door closing prompt function, which comprises: the device comprises a switching power supply, a door opening and closing button loop, a time delay door closing loop, a landing door detection loop and a door closing prompt loop, wherein the switching power supply is respectively connected with the door opening and closing button loop, the time delay door closing loop, the landing door detection loop and the door closing prompt loop; the door opening and closing button loop is connected with the time delay door closing loop, and the time delay door closing loop is connected with the landing door detection loop; the landing door detection loop is connected with the door closing prompt loop. When the elevator door is ready to be closed, the elevator door system carries out prompt and early warning on passengers which are ready to enter the elevator car through the door closing prompt loop, so that the passengers are prevented from being injured in the door closing process of the elevator, and the safety operation of the elevator door system is protected.
Description
Technical Field
The utility model belongs to the technical field of elevators, and particularly relates to an elevator control system with a door closing prompt function.
Background
In life, elevator failure is mainly caused by failure of the elevator door system (including car doors and landing doors), and a significant portion of the injury accidents to passengers by elevators are also caused by elevator doors. In the prior art, the elevator door system has no relevant prompt in the process of closing the door, and for passenger elevators, when passengers take the elevator and do not pay attention to closing the door, passengers can be jammed by the elevator door system; for cargo lifts, without the assistance of a passenger to keep the door open, the operator may not notice the door closing of the lift door system during the delivery of the cargo, which may result in damage to the lift door clamp.
Disclosure of Invention
In order to overcome the technical defects, the utility model provides an elevator control system with a door closing prompt function, which prompts and early warns passengers entering an elevator car through a door closing prompt loop when an elevator door is ready to be closed, so that the passengers are prevented from being injured in the door closing process of the elevator.
In order to solve the problems, the utility model is realized according to the following technical scheme:
an elevator control system with door closing prompt function, comprising: the device comprises a switching power supply, a door opening and closing button loop, a time delay door closing loop, a landing door detection loop and a door closing prompt loop, wherein the switching power supply is respectively connected with the door opening and closing button loop, the time delay door closing loop, the landing door detection loop and the door closing prompt loop;
the door opening and closing button loop is connected with the time delay door closing loop, and the time delay door closing loop is connected with the landing door detection loop;
the landing door detection loop is connected with the door closing prompt loop.
Further, the landing door detection loop comprises a first landing door sensor arranged in the elevator hoistway, a second landing door sensor arranged on the elevator hoistway side of the elevator landing door frame, a first relay and a second relay, wherein the first landing door sensor is connected with a coil of the first relay through a first normally closed contact of the second relay, and the second landing door sensor is connected with a coil of the second relay;
the first landing door sensor is also connected with a first normally-closed contact of the second relay through a first normally-open contact of the first relay;
and a second normally closed contact of the second relay is connected with the door closing prompt loop.
Further, the landing door detection loop further comprises an electrifying delay relay, and a coil of the electrifying delay relay is connected with the first landing door sensor and the second landing door sensor through a second normally open contact of the first relay respectively;
the coil of the electrified delay relay is connected with the delay door closing loop through the second normally open contact of the first relay and the third normally closed contact of the second relay;
and the normally open contact of the electrified time-delay relay is connected with the door closing prompt loop through the second normally closed contact of the second relay.
Further, the door opening and closing button loop comprises a door opening button relay, a touch plate door opening relay and a first signal transmitter, wherein two ends of a coil of the door opening button relay are respectively connected with an elevator door opening button and the switching power supply, a first normally open contact of the door opening button relay is connected with the elevator door opening and closing button loop, and the elevator door opening button is connected with the first signal transmitter through a second normally open contact of the door opening button relay;
the coil both ends of the touch plate door opening relay are respectively connected with a touch plate door opening button and the switching power supply, a first normally open contact of the touch plate door opening relay is connected with an elevator wiring loop, and the touch plate door opening button is connected with the first signal transmitter through a second normally open contact of the touch plate door opening relay.
Further, the door opening and closing button loop further comprises a door opening delay relay and a second signal transmitter, the two ends of a coil of the door opening delay relay are respectively connected with the door opening delay button and the switching power supply, a first normally open contact of the door opening delay relay is connected with the elevator wiring loop, and the door opening delay button is connected with the second signal transmitter through a second normally open contact of the door opening delay relay.
Further, the door opening and closing button loop further comprises a door opening button relay and a third signal transmitter, the two ends of a coil of the door opening button relay are respectively connected with an elevator door opening button and the switch power supply, a first normally open contact of the door opening button relay is connected with the elevator door opening and closing button loop, and the elevator door opening button is connected with the third signal transmitter through a second normally open contact of the door opening button relay.
Further, the delay door closing loop comprises a signal receiver and a first power-off delay relay, one end of a first normally-open contact of the signal receiver is connected with a second normally-open contact of the first relay through a third normally-closed contact of the second relay, and the other end of the first normally-open contact of the signal receiver is connected with a coil of the first power-off delay relay;
and the normally open contact of the power-on delay relay is connected with the second normally closed contact of the second relay through the normally closed contact of the first power-off delay relay.
Further, the delay door closing loop also comprises a second outage delay relay, one end of a second normally open contact of the signal receiver is connected with a third normally closed contact of the second relay, and the other end of the second normally open contact of the signal receiver is connected with a coil of the second outage delay relay;
and the normally open contact of the power-on delay relay is connected with the second normally closed contact of the second relay through the normally closed contact of the first power-off delay relay and the normally closed contact of the second power-off delay relay.
Further, the delay door closing loop also comprises a third relay, one end of a third normally-open contact of the signal receiver is connected with a third normally-closed contact of the second relay, and the other end of the third normally-open contact of the signal receiver is connected with a coil of the third relay through a fourth normally-closed contact of the second relay;
one end of a first normally-open contact of the third relay is connected with a fourth normally-closed contact of the second relay, and the other end of the first normally-open contact of the first relay is connected with the first normally-open contact of the first relay;
one end of a second normally open contact of the third relay is connected with a second normally closed contact of the second relay, and the other end of the second normally open contact of the third relay is connected with the switching power supply.
Further, the door closing prompt loop comprises an alarm and a signal lamp connected with the alarm in parallel, one end of the alarm is connected with the landing door detection loop, and the other end of the alarm is connected with the switching power supply.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model discloses an elevator control system with a door closing prompt function, which prompts and early warns passengers waiting for entering an elevator car through a door closing prompt loop when an elevator door is ready to be closed, prevents the passengers from being injured in the door closing process of an elevator, and protects the safety operation of the elevator door system.
The utility model can be matched with the prior elevator door opening and closing protection technology, and can be used with the prior protection device, and the safety performance is superior to that of the prior protection device.
Drawings
The utility model is described in further detail below with reference to the attached drawing figures, wherein:
fig. 1 is a schematic circuit diagram of an elevator control system according to the present utility model;
fig. 2 is a schematic circuit diagram of an elevator control system according to the present utility model;
fig. 3 is a schematic circuit diagram three of an elevator control system according to the present utility model;
marking: 1. a switching power supply; 2. a first landing door sensor; 3. a second landing door sensor; 4. a first relay; 5. a second relay; 6. electrifying a time delay relay; 7. an alarm; 8. a signal lamp; 9. a door opening button relay; 10. a touch plate door opening relay; 11. a first signal transmitter; 12. an elevator door opening button; 13. an elevator door opening and closing button loop; 14. a touch panel door opening button; 15. an elevator wiring loop; 16. a signal receiver; 17. a first power-off delay relay; 18. an antenna; 19. a door opening delay relay; 20. a second signal transmitter; 21. a door opening time delay button; 22. a second signal transmitter; 23. a second power-off delay relay; 24. a door closing button relay; 25. a third signal transmitter; 26. an elevator door closing button; 27. and a third relay.
Detailed Description
The following description of the preferred embodiments of the present utility model is provided in conjunction with the accompanying drawings 1-3, it being understood that the preferred embodiments described herein are for purposes of illustration and explanation only, and are not intended to limit the present utility model.
Example 1
The embodiment discloses elevator control system with door closing prompt facility, including: the switching power supply 1 is respectively connected with the door opening and closing button loop, the time delay door closing loop, the layer door detection loop and the door closing prompt loop; the door opening and closing button loop is connected with the time delay door closing loop, and the time delay door closing loop is connected with the layer door detection loop; the landing door detection loop is connected with the door closing prompt loop.
The switching power supply 1 converts AC220V into DC12V for operation of a door opening and closing button loop, a time delay door closing loop, a landing door detection loop and a door closing prompt loop.
Specifically, the landing door detection loop comprises a first landing door sensor 2 arranged in an elevator hoistway, a second landing door sensor 3 arranged on the elevator hoistway side of an elevator landing door frame, a first relay 4 and a second relay 5, wherein the first landing door sensor 2 is connected with a coil of the first relay 4 through a first normally closed contact 2-10 of the second relay 5, and the second landing door sensor 3 is connected with a coil of the second relay 5; the first landing door sensor 2 is also connected with the first normally-closed contact 2-10 of the second relay 5 through the first normally-open contact 5-9 of the first relay 4; the second normally closed contact 3-11 of the second relay 5 is connected with a door closing prompting loop.
Specifically, the landing door detection loop further comprises an electrifying delay relay 6, and a coil of the electrifying delay relay 6 is respectively connected with the first landing door sensor 2 and the second landing door sensor 3 through a second normally open contact 6-10 of the first relay 4; the coil of the electrified delay relay 6 is connected with a delay door closing loop through a second normally open contact 6-10 of the first relay 4 and a third normally closed contact 4-12 of the second relay 5; the normally open contact of the energizing delay relay 6 is connected with a door closing prompt loop through the second normally closed contact 3-11 of the second relay 5.
Specifically, the door closing prompt loop comprises an alarm 7 and a signal lamp 8 connected with the alarm in parallel, one end of the alarm 7 is connected with the landing door detection loop, and the other end of the alarm 7 is connected with the switching power supply 1.
When the elevator car normally arrives at the landing and opens the landing door completely, the landing door leaves the detection range of the second landing door sensor 3 arranged on the elevator shaft side of the elevator landing door frame, the landing door is not detected by the second landing door sensor 3, the coil of the second relay 5 is powered off, and the first normally closed contact 2-10, the second normally closed contact 3-11, the third normally closed contact 4-12 and the fourth normally closed contact 1-9 of the second relay 5 are reset. Meanwhile, a first landing door sensor 2 arranged in an elevator hoistway detects landing door leaves, a coil of a first relay 4 is powered on, a first normally open contact 5-9 and a second normally open contact 6-10 of the first relay 4 are closed, and the first normally open contact 5-9 of the first relay 4 is used for realizing self-locking maintenance of the coil of the first relay 4. The coil of the energizing delay relay 6 is electrified to work, if a signal of a delay door closing loop is not received in the process of energizing the energizing delay relay 6 to time, the normally open contacts 5-9 of the energizing delay relay 6 are closed after the time is finished, and the alarm 7 and the signal lamp 8 are electrified to work to prompt passengers that the elevator door is about to be closed.
When the elevator landing door leaf is completely closed, the landing door is detected by the second landing door sensor 3, the coil of the second relay 5 is electrified to work, and the first normally-closed contact 2-10, the second normally-closed contact 3-11, the third normally-closed contact 4-12 and the fourth normally-closed contact 1-9 of the second relay 5 are disconnected.
Example 2
The embodiment discloses elevator control system with door closing prompt facility, including: the switching power supply 1 is respectively connected with the door opening and closing button loop, the time delay door closing loop, the layer door detection loop and the door closing prompt loop; the door opening and closing button loop is connected with the time delay door closing loop, and the time delay door closing loop is connected with the layer door detection loop; the landing door detection loop is connected with the door closing prompt loop.
The switching power supply 1 converts AC220V into DC12V for operation of a door opening and closing button loop, a time delay door closing loop, a landing door detection loop and a door closing prompt loop.
Specifically, the layer gate detection loop is the same as that in embodiment 1, and will not be described here again.
Specifically, the door opening and closing button loop comprises a door opening button relay 9, a touch plate door opening relay 10 and a first signal transmitter 11, two ends of a coil of the door opening button relay 9 are respectively connected with an elevator door opening button 12 and a switching power supply 1, a first normally open contact 7-11 of the door opening button relay 9 is connected with an elevator door opening and closing button loop 13, and the elevator door opening button 12 is connected with the first signal transmitter 11 through a second normally open contact 5-9 of the door opening button relay 9. The two ends of the coil of the touch plate door opening relay 10 are respectively connected with a touch plate door opening button 14 and a switching power supply 1, the first normally open contact 7-11 point of the touch plate door opening relay 10 is connected with an elevator wiring loop 15, and the touch plate door opening button 14 is connected with a first signal transmitter 11 through the second normally open contact 5-9 of the touch plate door opening relay 10.
In the above embodiment, the delay door closing loop comprises a signal receiver 16 and a first power-off delay relay 17, wherein one end of a first normally-open contact K1 of the signal receiver 16 is connected with a second normally-open contact 6-10 of the first relay 4 through a third normally-closed contact 4-12 of the second relay 5, and the other end is connected with a coil of the first power-off delay relay 17; the normally open contact 5-9 of the power-on delay relay 6 is connected with the second normally closed contact 3-11 of the second relay 5 through the normally closed contact 1-9 of the first power-off delay relay 17.
Specifically, the door closing prompt loop comprises an alarm 7 and a signal lamp 8 connected with the alarm 7 in parallel, one end of the alarm 7 is connected with the landing door detection loop, and the other end of the alarm 7 is connected with the switching power supply 1.
When the elevator car normally arrives at the landing and opens the landing door completely, the landing door leaves the detection range of the second landing door sensor 3 arranged on the elevator shaft side of the elevator landing door frame, the landing door is not detected by the second landing door sensor 3, the coil of the second relay 5 is powered off, and the first normally closed contact 2-10, the second normally closed contact 3-11, the third normally closed contact 4-12 and the fourth normally closed contact 1-9 of the second relay 5 are reset. Meanwhile, a first landing door sensor 2 arranged in an elevator hoistway detects landing door leaves, a coil of a first relay 4 is powered on, a first normally open contact 5-9 and a second normally open contact 6-10 of the first relay 4 are closed, and the first normally open contact 5-9 of the first relay 4 is used for realizing self-locking maintenance of the coil of the first relay 4. The coil of the power-on delay relay 6 is powered on, if a passenger presses the elevator door opening button 12 in the process of timing when the power-on delay relay 6 is powered on, the coil of the door opening button relay 9 is powered on, the first normally open contact 7-11 and the second normally open contact 5-9 of the door opening button relay 9 are closed, the elevator continues to open the door, and the first signal transmitter 11 is triggered to transmit a first control signal to the signal receiver 16 through the antenna 18. The signal receiver 16 receives the first control signal, the first normally open contact K1 of the signal receiver 16 is closed, the coil of the first power-off delay relay 17 is powered on, the normally closed contacts 1-9 of the first power-off delay relay 17 are opened, and the alarm 7 does not work with the signal lamp 8.
After the coil of the first power-off delay relay 17 is powered off, normally closed contacts 1-9 of the first power-off delay relay 17 are closed after the power-off timing is finished, and an alarm 7 and a signal lamp 8 are powered on again to work so as to prompt passengers that an elevator door is about to be closed.
Similarly, if a passenger presses the touch panel door opening button 14 in the process of powering on the time delay relay 6, the coil of the touch panel door opening relay 10 is powered on, the first normally open contact 7-11 and the second normally open contact 5-9 of the touch panel door opening relay 10 are closed, the elevator continues to open the door, and the first signal transmitter 11 is triggered to transmit a first control signal to the signal receiver 16 through the antenna 18. The signal receiver 16 receives the first control signal, the first normally open contact K1 of the signal receiver 16 is closed, the coil of the first power-off delay relay 17 is powered on, the normally closed contacts 1-9 of the first power-off delay relay 17 are opened, and the alarm 7 does not work with the signal lamp 8.
After the coil of the first power-off delay relay 17 is powered off, normally closed contacts 1-9 of the first power-off delay relay 17 are closed after the power-off timing is finished, and an alarm 7 and a signal lamp 8 are powered on again to work so as to prompt passengers that an elevator door is about to be closed.
When the elevator landing door leaf is completely closed, the landing door is detected by the second landing door sensor 3, the coil of the second relay 5 is electrified to work, and the first normally-closed contact 2-10, the second normally-closed contact 3-11, the third normally-closed contact 4-12 and the fourth normally-closed contact 1-9 of the second relay 5 are disconnected.
Example 3
The embodiment discloses elevator control system with door closing prompt facility, including: the switching power supply 1 is respectively connected with the door opening and closing button loop, the time delay door closing loop, the layer door detection loop and the door closing prompt loop; the door opening and closing button loop is connected with the time delay door closing loop, and the time delay door closing loop is connected with the layer door detection loop; the landing door detection loop is connected with the door closing prompt loop.
The switching power supply 1 converts AC220V into DC12V for operation of a door opening and closing button loop, a time delay door closing loop, a landing door detection loop and a door closing prompt loop.
Specifically, the layer gate detection loop is the same as that in embodiment 1, and will not be described here again.
Specifically, the door opening and closing button loop further comprises a door opening delay relay 19 and a second signal transmitter 20, two ends of a coil of the door opening delay relay 19 are respectively connected with a door opening delay button 21 and a switching power supply, a first normally open contact 7-11 of the door opening delay relay 19 is connected with the elevator wiring loop 15, and the door opening delay button 21 is connected with the second signal transmitter 22 through a second normally open contact 5-9 of the door opening delay relay 19.
Specifically, the delayed door closing loop further comprises a second outage delay relay 23, one end of a second normally-open contact K2 of the signal receiver 16 is connected with a third normally-closed contact 4-12 of the second relay 5, and the other end of the second normally-open contact K2 is connected with a coil of the second outage delay relay 23; the normally open contact 5-9 of the energizing delay relay 6 is connected with the second normally closed contact 3-11 of the second relay 5 through the normally closed contact 1-9 of the first deenergizing delay relay 17 and the normally closed contact 1-9 of the second deenergizing delay relay 23.
Specifically, the door closing prompt loop comprises an alarm 7 and a signal lamp 8 connected with the alarm 7 in parallel, one end of the alarm 7 is connected with the landing door detection loop, and the other end of the alarm 7 is connected with the switching power supply 1.
When the elevator car normally arrives at the landing and opens the landing door completely, the landing door leaves the detection range of the second landing door sensor 3 arranged on the elevator shaft side of the elevator landing door frame, the landing door is not detected by the second landing door sensor 3, the coil of the second relay 5 is powered off, and the first normally closed contact 2-10, the second normally closed contact 3-11, the third normally closed contact 4-12 and the fourth normally closed contact 1-9 of the second relay 5 are reset. Meanwhile, a first landing door sensor 2 arranged in an elevator hoistway detects landing door leaves, a coil of a first relay 4 is powered on, a first normally open contact 5-9 and a second normally open contact 6-10 of the first relay 4 are closed, and the first normally open contact 5-9 of the first relay 4 is used for realizing self-locking maintenance of the coil of the first relay 4. The coil of the power-on delay relay 6 is powered on, if a passenger presses the door-opening delay button 21 in the process of timing when the power-on delay relay 6 is powered on, the coil of the door-opening delay relay 19 is powered on, the first normally-open contact 7-11 and the second normally-open contact 5-9 of the door-opening delay relay 19 are closed, the elevator is delayed in door opening, and the second signal transmitter 20 is triggered to transmit a second control signal to the signal receiver 16 through the antenna 18. The signal receiver 16 receives the second control signal, the second normally open contact 5-9 of the signal receiver 16 is closed, the coil of the second outage delay relay 23 is electrified to work, the normally closed contact 1-9 of the second outage delay relay 23 is opened, and the alarm 7 and the signal lamp 8 do not work.
After the coil of the second outage delay relay 23 is powered off, the normally closed contacts 1-9 of the second outage delay relay 23 are closed after the outage timing is finished, and the alarm 7 and the signal lamp 8 are powered on again to work so as to prompt passengers that the elevator door is about to be closed.
When the elevator landing door leaf is completely closed, the landing door is detected by the second landing door sensor 3, the coil of the second relay 5 is electrified to work, and the first normally-closed contact 2-10, the second normally-closed contact 3-11, the third normally-closed contact 4-12 and the fourth normally-closed contact 1-9 of the second relay 5 are disconnected.
Example 4
The embodiment discloses elevator control system with door closing prompt facility, including: the switching power supply 1 is respectively connected with the door opening and closing button loop, the time delay door closing loop, the layer door detection loop and the door closing prompt loop; the door opening and closing button loop is connected with the time delay door closing loop, and the time delay door closing loop is connected with the layer door detection loop; the landing door detection loop is connected with the door closing prompt loop.
The switching power supply 1 converts AC220V into DC12V for operation of a door opening and closing button loop, a time delay door closing loop, a landing door detection loop and a door closing prompt loop.
Specifically, the layer gate detection loop is the same as that in embodiment 1, and will not be described here again.
Specifically, the door opening and closing button loop further comprises a door opening and closing button relay 24 and a third signal transmitter 25, two ends of a coil of the door opening and closing button relay 24 are respectively connected with an elevator door opening and closing button 26 and the switching power supply 1, a first normally open contact 7-11 of the door opening and closing button relay 24 is connected with the elevator door opening and closing button loop 13, and the elevator door opening and closing button 26 is connected with the third signal transmitter 25 through a second normally open contact 5-9 of the door opening and closing button relay 24.
Specifically, the delayed door closing loop further comprises a third relay 27, one end of a third normally-open contact K3 of the signal receiver 16 is connected with a third normally-closed contact 4-12 of the second relay 5, and the other end of the third normally-open contact K3 of the signal receiver is connected with a coil of the third relay 27 through a fourth normally-closed contact 1-9 of the second relay 5; one end of a first normally-open contact 5-9 of the third relay 27 is connected with a fourth normally-closed contact 1-9 of the second relay 5, and the other end of the first normally-open contact 5-9 of the first relay 4; one end of the second normally open contact 6-10 of the third relay 27 is connected with the second normally closed contact 3-11 of the second relay 5, and the other end is connected with the switching power supply 1.
Specifically, the door closing prompt loop comprises an alarm 7 and a signal lamp 8 connected with the alarm 7 in parallel, one end of the alarm 7 is connected with the landing door detection loop, and the other end of the alarm 7 is connected with the switching power supply 1.
When the elevator car normally arrives at the landing and opens the landing door completely, the landing door leaves the detection range of the second landing door sensor 3 arranged on the elevator shaft side of the elevator landing door frame, the landing door is not detected by the second landing door sensor 3, the coil of the second relay 5 is powered off, and the first normally closed contact 2-10, the second normally closed contact 3-11, the third normally closed contact 4-12 and the fourth normally closed contact 1-9 of the second relay 5 are reset. Meanwhile, a first landing door sensor 2 arranged in an elevator hoistway detects landing door leaves, a coil of a first relay 4 is powered on, a first normally open contact 5-9 and a second normally open contact 6-10 of the first relay 4 are closed, and the first normally open contact 5-9 of the first relay 4 is used for realizing self-locking maintenance of the coil of the first relay 4. When the passenger presses the elevator door closing button 26 in the process of timing the power on of the 6 coils of the power on time delay relay, the coils of the door closing button relay 24 are powered on, the first normally open contact 7-11 and the second normally open contact 5-9 of the door closing button relay 24 are closed, the elevator is closed, and the third signal transmitter 25 is triggered to transmit a third control signal to the signal receiver 16 through the antenna 18. The signal receiver 16 receives the third control signal, the third normally open contact K3 of the signal receiver is closed, the coil of the third relay 27 is powered on, the first normally open contact 5-9 and the second normally open contact 6-10 of the third relay 27 are closed, the alarm 7 and the signal lamp 8 are powered on, and the passenger is prompted that the elevator door is about to be closed.
When the elevator landing door leaf is completely closed, the landing door is detected by the second landing door sensor 3, the coil of the second relay 5 is electrified to work, and the first normally-closed contact 2-10, the second normally-closed contact 3-11, the third normally-closed contact 4-12 and the fourth normally-closed contact 1-9 of the second relay 5 are disconnected.
When the elevator door is ready to be closed, the elevator door system carries out prompt and early warning on passengers which are ready to enter the elevator car through the door closing prompt loop, so that the passengers are prevented from being injured in the door closing process of the elevator, and the safety operation of the elevator door system is protected.
The utility model can be matched with the prior elevator door opening and closing protection technology, and can be used with the prior protection device, and the safety performance is superior to that of the prior protection device.
The present utility model is not limited to the preferred embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical principles of the present utility model are within the scope of the technical proposal of the present utility model.
Claims (10)
1. An elevator control system with door closing prompt function, comprising: the device comprises a switching power supply, a door opening and closing button loop, a time delay door closing loop, a landing door detection loop and a door closing prompt loop, wherein the switching power supply is respectively connected with the door opening and closing button loop, the time delay door closing loop, the landing door detection loop and the door closing prompt loop;
the door opening and closing button loop is connected with the time delay door closing loop, and the time delay door closing loop is connected with the landing door detection loop;
the landing door detection loop is connected with the door closing prompt loop.
2. The elevator control system of claim 1, wherein the landing door detection loop comprises a first landing door sensor disposed within an elevator hoistway, a second landing door sensor disposed on an elevator hoistway side of an elevator landing door frame, a first relay, and a second relay, the first landing door sensor connected to a coil of the first relay through a first normally closed contact of the second relay, the second landing door sensor connected to a coil of the second relay;
the first landing door sensor is also connected with a first normally-closed contact of the second relay through a first normally-open contact of the first relay;
and a second normally closed contact of the second relay is connected with the door closing prompt loop.
3. The elevator control system of claim 2, wherein the landing door detection loop further comprises an energizing delay relay, the coil of the energizing delay relay being connected to the first landing door sensor and the second landing door sensor respectively through a second normally open contact of the first relay;
the coil of the electrified delay relay is connected with the delay door closing loop through the second normally open contact of the first relay and the third normally closed contact of the second relay;
and the normally open contact of the electrified time-delay relay is connected with the door closing prompt loop through the second normally closed contact of the second relay.
4. The elevator control system of claim 3, wherein the door opening and closing button loop comprises a door opening button relay, a touch plate door opening relay and a first signal transmitter, wherein two ends of a coil of the door opening button relay are respectively connected with an elevator door opening button and the switching power supply, a first normally open contact of the door opening button relay is connected with the elevator door opening button loop, and the elevator door opening button is connected with the first signal transmitter through a second normally open contact of the door opening button relay;
the coil both ends of the touch plate door opening relay are respectively connected with a touch plate door opening button and the switching power supply, a first normally open contact of the touch plate door opening relay is connected with an elevator wiring loop, and the touch plate door opening button is connected with the first signal transmitter through a second normally open contact of the touch plate door opening relay.
5. The elevator control system of claim 4, wherein the door opening and closing button loop further comprises a door opening delay relay and a second signal transmitter, wherein both ends of a coil of the door opening delay relay are respectively connected with the door opening delay button and the switching power supply, a first normally open contact of the door opening delay relay is connected with the elevator wiring loop, and the door opening delay button is connected with the second signal transmitter through a second normally open contact of the door opening delay relay.
6. The elevator control system of claim 5, wherein the door-closing button loop further comprises a door-closing button relay and a third signal transmitter, wherein coil ends of the door-closing button relay are respectively connected with an elevator door-closing button and the switching power supply, a first normally open contact of the door-closing button relay is connected with the elevator door-closing button loop, and the elevator door-closing button is connected with the third signal transmitter through a second normally open contact of the door-closing button relay.
7. The elevator control system of claim 4, wherein the delay door closing loop comprises a signal receiver and a first de-energized delay relay, wherein one end of a first normally open contact of the signal receiver is connected with a second normally open contact of a first relay through a third normally closed contact of the second relay, and the other end is connected with a coil of the first de-energized delay relay;
and the normally open contact of the power-on delay relay is connected with the second normally closed contact of the second relay through the normally closed contact of the first power-off delay relay.
8. The elevator control system of claim 5, wherein the delayed door closing circuit further comprises a second de-energized delay relay, wherein a second normally open contact of the signal receiver is connected at one end to a third normally closed contact of the second relay and at the other end to a coil of the second de-energized delay relay;
the normally open contact of the power-on delay relay is connected with the second normally closed contact of the second relay through the normally closed contact of the first power-off delay relay and the normally closed contact of the second power-off delay relay.
9. The elevator control system of claim 6, wherein the delayed door closing circuit further comprises a third relay, wherein a third normally open contact of the signal receiver is connected at one end to a third normally closed contact of the second relay, and at the other end to a coil of the third relay through a fourth normally closed contact of the second relay;
one end of a first normally-open contact of the third relay is connected with a fourth normally-closed contact of the second relay, and the other end of the first normally-open contact of the first relay is connected with the first normally-open contact of the first relay;
one end of a second normally open contact of the third relay is connected with a second normally closed contact of the second relay, and the other end of the second normally open contact of the third relay is connected with the switching power supply.
10. The elevator control system of claim 1, wherein the door closing alert circuit comprises an alarm, a signal light connected in parallel with the alarm, one end of the alarm being connected to the landing door detection circuit, the other end being connected to the switching power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321768646.5U CN220642142U (en) | 2023-07-06 | 2023-07-06 | Elevator control system with door closing prompt function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321768646.5U CN220642142U (en) | 2023-07-06 | 2023-07-06 | Elevator control system with door closing prompt function |
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| Publication Number | Publication Date |
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| CN220642142U true CN220642142U (en) | 2024-03-22 |
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| CN202321768646.5U Active CN220642142U (en) | 2023-07-06 | 2023-07-06 | Elevator control system with door closing prompt function |
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| CN (1) | CN220642142U (en) |
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