CN114834992A - Two-phase power failure emergency rescue system for low-power elevator and use method thereof - Google Patents
Two-phase power failure emergency rescue system for low-power elevator and use method thereof Download PDFInfo
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- CN114834992A CN114834992A CN202210497662.9A CN202210497662A CN114834992A CN 114834992 A CN114834992 A CN 114834992A CN 202210497662 A CN202210497662 A CN 202210497662A CN 114834992 A CN114834992 A CN 114834992A
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- elevator
- inverter
- emergency rescue
- storage battery
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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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/027—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
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- 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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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a two-phase power failure emergency rescue system for a low-power elevator and a using method thereof, wherein the two-phase power failure emergency rescue system comprises a contactor KY3, a control panel, an inverter, a storage battery, a switch FA and a transformer; the three-phase mains supply supplies power to the elevator through a contactor KY3 contact, is connected with the control panel through a contactor KY3 coil, further charges the ARD system, and is detected through the ARD system; the control panel is connected with the storage battery and charges the storage battery; the control panel is connected with the transformer and is converted into alternating voltage used by the elevator through the transformer; the control panel is connected with the inverter, and the storage battery is connected with the inverter through a switch FA, transmits electricity to the inverter, and is converted into alternating current used by the elevator through the inverter to supply the elevator for power failure emergency rescue. The input voltage of the invention still adopts a three-phase input mode, but the output voltage of the invention is changed into a two-phase output mode, thereby being convenient, economic and reasonable and being suitable for a low-power elevator.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to a two-phase power failure emergency rescue system for a low-power elevator and a using method thereof.
Background
The power failure emergency rescue device is a device which supplies power to an elevator when the normal power supply of the elevator is out of power or the power supply is out of phase, so that a power loop of the elevator is powered on, an elevator car is operated to a flat-layer position at a low speed, and passengers are safely evacuated by opening a door.
In order to minimize the capacity of a power supply required during power failure rescue, the general method comprises the following steps: when power is cut off, the elevator is driven to run towards the light load direction, and at the moment, the elevator can be driven by the frequency converter with little force, so that the capacity configuration of the power-cut emergency rescue device is greatly reduced.
At present to ordinary passenger elevator, because the elevator converter adopts the three-phase power supply, the way of generally adopting is: the power failure emergency rescue device outputs three-phase power, but the structure of internal components of the power failure emergency rescue device is complex, the size is large, and the cost is high. If can be when the power failure emergency rescue, only provide double-phase electricity for the elevator and just can accomplish the rescue, this will make the inside components and parts structure of power failure emergency rescue device obtain simplifying by a wide margin, and volume and cost also can have more advantages. Therefore, the above problems need to be solved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a two-phase power failure emergency rescue system for a low-power elevator and a use method thereof.
In order to solve the technical problems, the invention adopts the following technical scheme: the invention discloses a two-phase power failure emergency rescue system for an elevator, which is characterized in that: the device comprises a contactor KY3, a control board, an inverter, a storage battery, a switch FA and a transformer; the three-phase mains supply supplies power to the elevator through a contactor KY3 contact, is connected with the control panel through a contactor KY3 coil, further charges an ARD system, and is detected through the ARD system; the control board is connected with the storage battery and charges the storage battery; the control panel is connected with the transformer and is converted into alternating voltage used by the elevator through the transformer; the control panel is connected with the inverter, the storage battery is connected with the inverter through a switch FA, the storage battery transmits electricity to the inverter, and the electricity is converted into alternating current used by the elevator through the inverter to supply the elevator for emergency rescue in power failure.
Preferably, incoming lines L1, L2, and L3 of the three-phase commercial power are connected to the power output R, S, T through contacts of a contactor KY3, respectively, so as to supply power to the elevator.
Preferably, the control panel adopts a control panel TDGK; terminals J1.1, J1.3 and J1.5 of the control panel TDGK are respectively connected with incoming lines L1, L2 and L3 of a three-phase mains supply, the ARD system is charged, and detection is carried out through the ARD system; terminals J1.7 and J1.9 of the control board TDGK are respectively connected with a coil of a contactor KY3, and form a loop to control the closing of a contact of the contactor KY 3.
Preferably, the terminals J3.1 and J3.3 of the control board TDGK are connected to one end of the transformer, respectively, and the terminals J3.5 and J3.6 of the control board TDGK are connected to the other end of the transformer, respectively, so as to be converted into an alternating voltage usable by the elevator by the transformer.
Preferably, the terminal J-5 of the control panel TDGK is connected with the terminal J-5 of the inverter and is used for inversion starting control and communication wiring.
Preferably, the terminal J4.1 of the control board TDGK is connected to one end of the discharge resistor, and the terminal J4.2 of the control board TDGK is connected to the other end of the discharge resistor; a terminal J4.4 of the control board TDGK is connected with the negative electrode of the storage battery, and the negative electrode of the storage battery is connected with the BAT-end of the inverter; a terminal J4.3 of the control panel TDGK is connected with a BAT + end of the inverter, and the anode of the storage battery is connected with the BAT + end of the inverter through a switch FA; the terminal J4.7 of the control board TDGK is connected to the KB1 terminal of the boat switch, and the terminal J4.8 of the control board TDGK is connected to the KB2 terminal of the boat switch.
Preferably, the discharge resistance is 30 Ω/50W.
Preferably, the AC1 end of the inverter is connected with the power output end R, the AC2 end of the inverter is connected with the power output end S, and the AC is converted into the AC which can be used by the elevator by the inverter to supply the elevator for emergency rescue in power failure.
The invention discloses a use method of a two-phase power failure emergency rescue system for an elevator, which is characterized by comprising the following steps of:
(1) when the mains supply is normal, the coil of the contactor KY3 controls the contact of the contactor KY3 to be in a closed state, and the switch FA is in an open state; at the moment, the emergency rescue system, namely the ARD system is in a non-working state, the three-phase mains supply can directly supply power to the elevator, simultaneously charge the storage battery, and detect the three-phase mains supply through the ARD system;
(2) when the mains supply is powered off, the ARD system detects the situation and triggers a starting signal, the contact of the contactor KY3 is in a disconnected state, and the ARD system starts to be started;
(3) then the ARD system transmits an emergency flat layer starting signal to an elevator control system, the elevator enters an emergency mode, a switch of a phase sequence short circuit part is closed, and phase sequence short circuit is completed;
(4) then the switch FA is in a closed state, the storage battery transmits electricity to the inverter, the electricity is converted into alternating current which can be used by the elevator by the inverter and is supplied to the elevator, and the elevator is maintained to start running towards the flat-layer position in the light load direction;
(5) after the elevator runs to the position closest to the flat position in the light load direction, the elevator control system outputs an elevator door opening signal to open the elevator door so that passengers leave the elevator car; then the elevator is closed again until the elevator control system detects a door-closing in-place signal, and the elevator hall door and the elevator car door are confirmed to be closed; then the elevator control system outputs an emergency rescue completion signal to the ARD system, the ARD system stops outputting, the switch FA is in an off state, the contact of the contactor KY3 is in a closed state again, the emergency rescue state is exited, and the arrival of the mains supply is waited;
(6) if in the process of the emergency rescue state, when the commercial power is restored again, the ARD system completes the rescue process preferentially, after the ARD system exits the emergency rescue state, the contact of the contactor KY3 is in the closed state again, the switch FA is in the open state, and then the elevator is restored to the normal state again.
Preferably, in the step (1), if the battery is insufficient, the ARD system is in a charging state; and if the charging of the storage battery is finished, the ARD system is in a silent state.
The invention has the beneficial effects that:
(1) the input voltage of the elevator is still in a three-phase input mode, but the output voltage of the elevator is changed into a two-phase output mode, so that the elevator can realize the power failure emergency rescue function, is convenient, economic and reasonable, and is suitable for a low-power elevator;
(2) the invention ensures that the elevator can safely and efficiently realize the rescue function, greatly simplifies the internal structure, reduces the volume, ensures more convenient and flexible installation, greatly reduces the cost and has more targeted applicability.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a configuration structure diagram of a two-phase power failure emergency rescue system for an elevator and an elevator system.
FIG. 2 is a logic block diagram of the system of the present invention.
Fig. 3 is an electrical schematic diagram of the two-phase power failure emergency rescue system for the elevator.
Detailed Description
The technical solution of the present invention will be clearly and completely described by the following detailed description.
The invention discloses a two-phase power failure emergency rescue system for an elevator, which comprises a contactor KY3, a control panel, an inverter, a storage battery, a switch FA and a transformer, wherein the contactor KY3 is arranged on the upper part of the control panel; as shown in fig. 1-3, three-phase mains supply supplies power to an elevator through a contact of a contactor KY3, is connected with a control board through a coil of a contactor KY3, further charges an ARD system, and is detected through the ARD system; the incoming lines L1, L2 and L3 of the three-phase mains supply are respectively connected with the power output end R, S, T through a contact of a contactor KY3, and then power is supplied to the elevator.
As shown in fig. 1 to 3, the control board is connected with the storage battery and charges the storage battery; the control panel is connected with the transformer and is converted into alternating voltage used by the elevator through the transformer; the control panel is connected with the inverter, and the storage battery is connected with the inverter through a switch FA, transmits electricity to the inverter, and is converted into alternating current used by the elevator through the inverter to supply the elevator for power failure emergency rescue.
In the invention, a control panel adopts a control panel TDGK; as shown in fig. 1 to 3, terminals J1.1, J1.3, and J1.5 of the control board TDGK are respectively connected to incoming lines L1, L2, and L3 of the three-phase commercial power to charge the ARD system and perform detection through the ARD system; terminals J1.7 and J1.9 of the control board TDGK are respectively connected with a coil of a contactor KY3 and form a loop to control the closing of a contact of the contactor KY 3; the terminals J3.1 and J3.3 of the control panel TDGK are respectively connected with one end of the transformer, and the terminals J3.5 and J3.6 of the control panel TDGK are respectively connected with the other end of the transformer, so that the control panel TDGK is converted into the alternating voltage which can be used by the elevator through the transformer.
As shown in fig. 1 to 3, a terminal J-5 of the control board TDGK is connected to a terminal J-5 of the inverter for inverter start control and communication bus; a terminal J4.1 of the control board TDGK is connected with one end of the discharge resistor, and a terminal J4.2 of the control board TDGK is connected with the other end of the discharge resistor; a terminal J4.4 of the control board TDGK is connected with the negative electrode of the storage battery, and the negative electrode of the storage battery is connected with the BAT-end of the inverter; a terminal J4.3 of the control panel TDGK is connected with a BAT + end of the inverter, and the anode of the storage battery is connected with the BAT + end of the inverter through a switch FA; the terminal J4.7 of the control board TDGK is connected with the KB1 end of the ship-shaped switch, and the terminal J4.8 of the control board TDGK is connected with the KB2 end of the ship-shaped switch; wherein, the discharge resistance is 30 omega/50W.
As shown in fig. 1 to 3, the AC1 terminal of the inverter is connected to the power output terminal R, and the AC2 terminal of the inverter is connected to the power output terminal S, and the AC is converted into AC usable by the elevator by the inverter and supplied to the elevator for emergency rescue in case of power failure.
The invention discloses a using method of a two-phase power failure emergency rescue system for an elevator, which comprises the following steps as shown in figures 1 to 3:
(1) when the mains supply is normal, the coil of the contactor KY3 controls the contact of the contactor KY3 to be in a closed state, and the switch FA is in an open state; at the moment, the emergency rescue system, namely the ARD system is in a non-working state, the three-phase mains supply can directly supply power to the elevator, simultaneously charge the storage battery, and detect the three-phase mains supply through the ARD system;
in the above steps, if the electric quantity of the storage battery is insufficient, the ARD system is in a charging state; and if the charging of the storage battery is finished, the ARD system is in a silent state.
(2) When the mains supply is powered off, the ARD system detects the situation and triggers a starting signal, the contact of the contactor KY3 is in a disconnected state, and the ARD system starts to be started;
(3) then the ARD system transmits an emergency flat layer starting signal to an elevator control system, the elevator enters an emergency mode, a switch of a phase sequence short circuit part is closed, and phase sequence short circuit is completed;
(4) then the switch FA is in a closed state, the storage battery transmits electricity to the inverter, the electricity is converted into alternating current which can be used by the elevator by the inverter and is supplied to the elevator, and the elevator is maintained to start running towards the flat-layer position in the light load direction;
(5) after the elevator runs to the position closest to the flat position in the light load direction, the elevator control system outputs an elevator door opening signal to open the elevator door so that passengers leave the elevator car; then the elevator is closed again until the elevator control system detects a door-closing in-place signal, and the elevator hall door and the elevator car door are confirmed to be closed; then the elevator control system outputs an emergency rescue completion signal to the ARD system, the ARD system stops outputting, the switch FA is in an off state, the contact of the contactor KY3 is in a closed state again, the emergency rescue state is exited, and the arrival of the mains supply is waited.
(6) If in the process of the emergency rescue state, when the commercial power is restored again, the ARD system completes the rescue process preferentially, after the ARD system exits the emergency rescue state, the contact of the contactor KY3 is in the closed state again, the switch FA is in the open state, and then the elevator restores to the normal state again; the whole process does not conflict with the recovered commercial power.
The invention has the beneficial effects that:
(1) the input voltage of the elevator is still in a three-phase input mode, but the output voltage of the elevator is changed into a two-phase output mode, so that the elevator can realize the power failure emergency rescue function, is convenient, economic and reasonable, and is suitable for a low-power elevator;
(2) the invention ensures that the elevator can safely and efficiently realize the rescue function, greatly simplifies the internal structure, reduces the volume, ensures more convenient and flexible installation, greatly reduces the cost and has more targeted applicability.
The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art should fall into the protection scope of the present invention without departing from the design concept of the present invention, and the technical contents of the present invention as claimed are all described in the technical claims.
Claims (10)
1. The utility model provides an elevator is with double-phase power failure emergency rescue system which characterized in that: the device comprises a contactor KY3, a control board, an inverter, a storage battery, a switch FA and a transformer; the three-phase mains supply supplies power to the elevator through a contactor KY3 contact, is connected with the control panel through a contactor KY3 coil, further charges an ARD system, and is detected through the ARD system; the control board is connected with the storage battery and charges the storage battery; the control panel is connected with the transformer and is converted into alternating voltage used by the elevator through the transformer; the control panel is connected with the inverter, the storage battery is connected with the inverter through a switch FA, the storage battery transmits electricity to the inverter, and the electricity is converted into alternating current used by the elevator through the inverter to supply the elevator for emergency rescue in power failure.
2. The two-phase power failure emergency rescue system for the elevator as claimed in claim 1, wherein: incoming lines L1, L2 and L3 of a three-phase mains supply are respectively connected with a power output end R, S, T through a contact of a contactor KY3, and then power is supplied to the elevator.
3. The two-phase power failure emergency rescue system for the elevator as claimed in claim 2, wherein: the control panel adopts a control panel TDGK; terminals J1.1, J1.3 and J1.5 of the control panel TDGK are respectively connected with incoming lines L1, L2 and L3 of a three-phase mains supply, the ARD system is charged, and detection is carried out through the ARD system; terminals J1.7 and J1.9 of the control board TDGK are respectively connected with a coil of a contactor KY3, and form a loop to control the closing of a contact of the contactor KY 3.
4. The two-phase power failure emergency rescue system for the elevator as claimed in claim 3, wherein: the terminals J3.1 and J3.3 of the control panel TDGK are respectively connected with one end of the transformer, and the terminals J3.5 and J3.6 of the control panel TDGK are respectively connected with the other end of the transformer, so that the control panel TDGK is converted into the alternating voltage which can be used by the elevator through the transformer.
5. The two-phase power failure emergency rescue system for the elevator as claimed in claim 3, wherein: and a terminal J-5 of the control board TDGK is connected with a terminal J-5 of the inverter and is used for inversion starting control and communication flat cable.
6. The two-phase power failure emergency rescue system for the elevator as claimed in claim 3, wherein: a terminal J4.1 of the control board TDGK is connected with one end of the discharge resistor, and a terminal J4.2 of the control board TDGK is connected with the other end of the discharge resistor; a terminal J4.4 of the control board TDGK is connected with the negative electrode of the storage battery, and the negative electrode of the storage battery is connected with the BAT-end of the inverter; a terminal J4.3 of the control panel TDGK is connected with a BAT + end of the inverter, and the anode of the storage battery is connected with the BAT + end of the inverter through a switch FA; the terminal J4.7 of the control board TDGK is connected to the KB1 terminal of the boat switch, and the terminal J4.8 of the control board TDGK is connected to the KB2 terminal of the boat switch.
7. The two-phase power failure emergency rescue system for the elevator as claimed in claim 6, wherein: the discharge resistance was 30. omega./50W.
8. The two-phase power failure emergency rescue system for the elevator as claimed in claim 3, wherein: the AC1 end of the inverter is connected with the power output end R, the AC2 end of the inverter is connected with the power output end S, and the AC is converted into the AC which can be used by the elevator through the inverter to supply the elevator for emergency rescue in power failure.
9. The use method of the two-phase power failure emergency rescue system for the elevator as claimed in any one of claims 1 to 8, characterized by comprising the following steps:
(1) when the mains supply is normal, the coil of the contactor KY3 controls the contact of the contactor KY3 to be in a closed state, and the switch FA is in an open state; at the moment, the emergency rescue system, namely the ARD system is in a non-working state, the three-phase mains supply can directly supply power to the elevator, simultaneously charge the storage battery, and detect the three-phase mains supply through the ARD system;
(2) when the mains supply is powered off, the ARD system detects the situation and triggers a starting signal, the contact of the contactor KY3 is in a disconnected state, and the ARD system starts to be started;
(3) then the ARD system transmits an emergency flat layer starting signal to an elevator control system, the elevator enters an emergency mode, a switch of a phase sequence short circuit part is closed, and phase sequence short circuit is completed;
(4) then the switch FA is in a closed state, the storage battery transmits electricity to the inverter, the electricity is converted into alternating current which can be used by the elevator by the inverter and is supplied to the elevator, and the elevator is maintained to start running towards the flat-layer position in the light load direction;
(5) after the elevator runs to the position closest to the flat position in the light load direction, the elevator control system outputs an elevator door opening signal to open the elevator door so that passengers leave the elevator car; then the elevator is closed again until the elevator control system detects a door-closing in-place signal, and the elevator hall door and the elevator car door are both closed well; then the elevator control system outputs an emergency rescue completion signal to the ARD system, the ARD system stops outputting, the switch FA is in an off state, the contact of the contactor KY3 is in a closed state again, the emergency rescue state is exited, and the arrival of the mains supply is waited;
(6) if in the process of the emergency rescue state, when the commercial power is restored again, the ARD system completes the rescue process preferentially, after the ARD system exits the emergency rescue state, the contact of the contactor KY3 is in the closed state again, the switch FA is in the open state, and then the elevator is restored to the normal state again.
10. The use method of the two-phase power failure emergency rescue system for the elevator as claimed in claim 9, characterized in that: in the step (1), if the electric quantity of the storage battery is insufficient, the ARD system is in a charging state; and if the charging of the storage battery is finished, the ARD system is in a silent state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210497662.9A CN114834992A (en) | 2022-05-09 | 2022-05-09 | Two-phase power failure emergency rescue system for low-power elevator and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210497662.9A CN114834992A (en) | 2022-05-09 | 2022-05-09 | Two-phase power failure emergency rescue system for low-power elevator and use method thereof |
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| CN114834992A true CN114834992A (en) | 2022-08-02 |
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| CN202210497662.9A Pending CN114834992A (en) | 2022-05-09 | 2022-05-09 | Two-phase power failure emergency rescue system for low-power elevator and use method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115149560A (en) * | 2022-09-01 | 2022-10-04 | 广东省特种设备检测研究院中山检测院 | Energy-saving automatic rescue system for elevator with power failure |
-
2022
- 2022-05-09 CN CN202210497662.9A patent/CN114834992A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115149560A (en) * | 2022-09-01 | 2022-10-04 | 广东省特种设备检测研究院中山检测院 | Energy-saving automatic rescue system for elevator with power failure |
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