CN217322929U - Two-phase power failure emergency rescue system for low-power elevator - Google Patents
Two-phase power failure emergency rescue system for low-power elevator Download PDFInfo
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- CN217322929U CN217322929U CN202221092615.8U CN202221092615U CN217322929U CN 217322929 U CN217322929 U CN 217322929U CN 202221092615 U CN202221092615 U CN 202221092615U CN 217322929 U CN217322929 U CN 217322929U
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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 a two-phase power failure emergency rescue system for a low-power elevator, which 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 battery passes through switch FA to be connected with the inverter, and will transmit the electricity to the inverter, and the rethread inverter is transformed into the alternating current that the elevator used and supplies to the elevator and has a power failure emergency rescue. The utility model discloses input voltage still adopts the mode of three-phase input, but its output voltage becomes the mode of double-phase output, and is convenient, economic, reasonable, is applicable to on the miniwatt elevator.
Description
Technical Field
The utility model relates to an elevator technical field, concretely relates to miniwatt elevator is with double-phase power failure emergency rescue system.
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 to-be-solved technical problem of the utility model is to provide a double-phase power failure emergency rescue system for miniwatt elevator, input voltage still adopts the mode of three-phase input, but its output voltage becomes the mode of double-phase output, can realize the power failure emergency rescue function of elevator, and is convenient, economic, reasonable, is applicable to on the miniwatt elevator.
In order to solve the technical problem, the utility model discloses take following technical scheme: the utility model discloses a miniwatt elevator is with double-phase power failure emergency rescue system, its innovation point lies in: 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 terminal R, S, T through a contact 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 a control board TDGK are respectively connected with incoming lines L1, L2 and L3 of a three-phase mains supply to charge an ARD system and detect 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 flat cable.
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 utility model has the advantages that:
(1) the utility model adopts a three-phase input mode, but the output voltage of the elevator is changed into a two-phase output mode, so that the emergency rescue function of the elevator in power failure can be realized, and the elevator is convenient, economic and reasonable and is suitable for a low-power elevator;
(2) the utility model discloses when guaranteeing that the elevator can realize its rescue function safely high-efficiently, still greatly simplified its inner structure, reduced the volume for the installation is convenient nimble more, and the cost is reduced by a wide margin, and has more to suitability.
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 will be 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 to obtain other drawings without creative efforts.
Fig. 1 is the utility model discloses a double-phase power failure emergency rescue system and elevator system's configuration structure chart is used to elevator.
Fig. 2 is a logic block diagram of the system of the present invention.
Fig. 3 is the utility model discloses an elevator is with double-phase power failure emergency rescue system's electric schematic diagram.
Detailed Description
The technical solution of the present invention will be described clearly and completely through the following detailed description.
The utility model discloses a two-phase power failure emergency rescue system for a low-power elevator, which comprises a contactor KY3, a control panel, an inverter, a storage battery, a switch FA and a transformer; 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.
The utility model adopts a control panel TDGK as the middle control panel; 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 by 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 board 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 utility model discloses a double-phase power failure emergency rescue system's theory of operation for elevator, as shown in fig. 1~3, including following step:
(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; if the storage battery is charged, 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, 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 a closed state again, the switch FA is in an open state, and then the elevator restores to a normal state again; the whole process does not conflict with the recovered commercial power.
The utility model has the advantages that:
(1) the utility model adopts a three-phase input mode, but the output voltage of the elevator is changed into a two-phase output mode, so that the emergency rescue function of the elevator in power failure can be realized, and the elevator is convenient, economic and reasonable and is suitable for a low-power elevator;
(2) the utility model discloses when guaranteeing that the elevator can realize its rescue function safely high-efficiently, still greatly simplified its inner structure, reduced the volume for the installation is convenient nimble more, and the cost is reduced by a wide margin, and has more to suitability.
The above-mentioned embodiments are only described as the preferred embodiments of the present invention, and are not intended to limit the concept and scope of the present invention, and the technical content of the present invention, which is claimed by the present invention, is fully recorded in the technical claims.
Claims (8)
1. The utility model provides a double-phase power failure emergency rescue system for miniwatt elevator 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 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, characterized in that: the control panel adopts a control panel TDGK; terminals J1.1, J1.3 and J1.5 of a control board TDGK are respectively connected with incoming lines L1, L2 and L3 of a three-phase mains supply to charge an ARD system and detect 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, characterized in that: 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221092615.8U CN217322929U (en) | 2022-05-09 | 2022-05-09 | Two-phase power failure emergency rescue system for low-power elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221092615.8U CN217322929U (en) | 2022-05-09 | 2022-05-09 | Two-phase power failure emergency rescue system for low-power elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217322929U true CN217322929U (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221092615.8U Active CN217322929U (en) | 2022-05-09 | 2022-05-09 | Two-phase power failure emergency rescue system for low-power elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217322929U (en) |
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2022
- 2022-05-09 CN CN202221092615.8U patent/CN217322929U/en active Active
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