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CN-118713423-B - Elevator power supply system with energy storage function

CN118713423BCN 118713423 BCN118713423 BCN 118713423BCN-118713423-B

Abstract

The invention provides an elevator power supply system with an energy storage function, the power supply module outputs a power supply voltage based on the on signal, and the carbon-based capacitance module generates a capacitance voltage based on the power supply voltage. The control module sequentially outputs a first start signal, a second start signal and a third start signal based on the on signal. The power grid small-current conducting circuit and the capacitor small-current conducting circuit are connected based on a first starting signal, the power grid large-current conducting circuit is connected based on a second starting signal, and the capacitor large-current conducting circuit is connected based on a third starting signal. The control module cuts off the power supply based on the third disconnection signal, and the output module outputs the output voltage to the elevator.

Inventors

  • ZHENG YIJUN
  • ZHENG DONGDONG
  • ZHAN WEIJIAN

Assignees

  • 郑役军

Dates

Publication Date
20260505
Application Date
20240613

Claims (10)

  1. 1. An elevator power supply system with energy storage function, characterized in that it comprises: The power supply module comprises a power supply switching-on unit, the power supply switching-on unit is used for generating a switching-on signal, and the power supply module is used for outputting a power supply voltage based on the switching-on signal; The carbon-based capacitor module is used for carrying out energy storage operation on the power supply voltage so as to generate capacitor voltage; The control module is used for starting the control module based on the on signal, outputting a first starting signal, outputting a second starting signal after delaying the first starting time, and outputting a third starting signal after delaying the second starting time; the switching module is used for switching on the power grid small current conduction circuit and the capacitor small current conduction circuit based on the first switching-on signal, switching on the power grid large current conduction circuit based on the second switching-on signal, switching on the capacitor large current conduction circuit based on the third switching-on signal; The output module is used for converting the direct-current power supply voltage and the capacitor voltage into alternating-current output voltage and outputting the output voltage to an elevator; The power grid supplies power normally, and the power grid supplies power for the control module based on the power grid input contactor, so that the power grid is not powered off even if the power grid large current conduction circuit, the power grid small current conduction circuit, the capacitor small current conduction circuit and the capacitor large current conduction circuit are all disconnected; The control module comprises a control input unit and a direct current control power supply, wherein the control input unit also comprises a capacitance input contactor, and the capacitance input contactor is connected with a power grid input contactor in parallel; If the power grid is in power failure, the control module also drives the small-current capacitor conduction circuit and the capacitor input contactor to conduct, so that the carbon-based capacitor module keeps supplying power to the elevator and the control module; after the elevator sends out all passengers, the control module can cut off the power to drive the capacitor input contactor to be disconnected with the capacitor small current conducting circuit, and the control module can stop working.
  2. 2. The elevator power supply system with the energy storage function according to claim 1, wherein when the elevator power supply system with the energy storage function is normally turned off, the control module outputs a first normal off signal, and outputs a second normal off signal after delaying a normal off time; Based on a first normal disconnection signal, the switch module disconnects the power grid high-current conduction circuit and the capacitor high-current conduction circuit, and based on a second normal disconnection signal, the switch module disconnects the power grid low-current conduction circuit and the capacitor low-current conduction circuit.
  3. 3. The elevator power supply system with the energy storage function according to claim 2, wherein when the power grid fails, the power supply switching-on unit is configured to output a switching-off signal, the control module outputs a first abnormal switching-off signal based on the switching-off signal, the control module outputs a second abnormal switching-off signal after delaying a first abnormal switching-off time, and the control module outputs a third abnormal switching-off signal after delaying a second abnormal switching-off time; the switch module disconnects the large-current power grid conducting circuit and the small-current power grid conducting circuit based on a first abnormal disconnection signal, disconnects the large-current power capacitor conducting circuit based on a second abnormal disconnection signal, and disconnects the small-current power capacitor conducting circuit based on a third abnormal disconnection signal.
  4. 4. The elevator power supply system with energy storage function according to claim 3, wherein the on-unit comprises an on-switch for generating an on-signal when closed and an off-signal when open, the dc control power supply is used for performing a power supply operation on the control module, the control input unit comprises a grid input contactor, an input end of the grid input contactor is connected with the power supply module and the carbon-based capacitor module, a control end of the grid input contactor is connected with the on-switch, and an output end of the grid input contactor is connected with the dc control power supply; The control module comprises a first control output unit, wherein the first control output unit comprises a power grid small current time relay, the switch module comprises a power grid small current conducting circuit, the power grid small current conducting circuit comprises a power grid small current contactor and a first current limiting resistor, one end of the power grid small current time relay is connected with a direct current control power supply, and the other end of the power grid small current time relay is connected with a control end of the power grid small current contactor; The control module further comprises a second control output unit, the second control output unit comprises a capacitance small current time relay, the switch module comprises a capacitance small current conducting circuit, the capacitance small current conducting circuit comprises a capacitance small current contactor and a second current limiting resistor, one end of the capacitance small current time relay is connected with a direct current control power supply, and the other end of the capacitance small current time relay is connected with a control end of the capacitance small current contactor; the input end of the capacitor input contactor is connected with the power supply module and the carbon-based capacitor module, the output end of the capacitor input contactor is connected with the direct-current control power supply, and the control end of the capacitor input contactor is connected with the capacitor low-current time relay; The control module further comprises a third control output unit, wherein the third control output unit comprises a power grid heavy current time relay, the switch module comprises a power grid heavy current conducting circuit, the power grid heavy current conducting circuit comprises a power grid heavy current contactor, one end of the power grid heavy current time relay is connected with a direct current control power supply, and the other end of the power grid heavy current time relay is connected with a control end of the power grid heavy current contactor; The control module further comprises a fourth control output unit, the fourth control output unit comprises a capacitor heavy current time relay, the switch module comprises a capacitor heavy current conducting circuit, the capacitor heavy current conducting circuit comprises a capacitor heavy current contactor, one end of the capacitor heavy current time relay is connected with a direct current control power supply, the other end of the capacitor heavy current time relay is connected with a control end of the capacitor heavy current contactor, one end of the capacitor heavy current contactor is connected with a power supply module, and the other end of the capacitor heavy current contactor is connected with the output module.
  5. 5. The elevator power system with energy storage function of claim 4, wherein when a power grid inputs voltage, the on switch is closed, the on switch generates the on signal, a control end of the power grid input contactor receives the on signal, the power grid input contactor is conducted, the control module is started, and the control module drives the capacitor low-current time relay and the power grid low-current time relay to be conducted; The capacitor low-current time relay and the power grid low-current time relay output the first starting signal, a control end of the power grid low-current contactor receives the first starting signal, the power grid low-current conducting circuit is conducted, a control end of the capacitor low-current contactor receives the first starting signal, the capacitor low-current conducting circuit is conducted, the switch module transmits the power supply voltage to the carbon-based capacitor module through the capacitor low-current conducting circuit and the power grid low-current conducting circuit, a control end of the capacitor input contactor receives the first starting signal, and the capacitor input contactor is conducted.
  6. 6. The elevator power supply system with the energy storage function according to claim 4, wherein after the capacitor low-current time relay and the power grid low-current time relay are turned on, the first starting time is delayed, the control module drives the power grid high-current time relay to be turned on, the power grid high-current time relay outputs a second starting signal, the control end of the power grid high-current contactor receives the second starting signal, the power grid high-current conducting circuit is turned on, and the switching module transmits the power supply voltage to the output module through the power grid high-current conducting circuit.
  7. 7. The elevator power supply system with the energy storage function according to claim 4, wherein the second starting time is delayed after the power grid high-current time relay is turned on, the control module drives the capacitor high-current time relay to be turned on, the capacitor high-current time relay outputs a third starting signal, a control end of the capacitor high-current contactor receives the third starting signal, the capacitor high-current conduction circuit is turned on, and the switch module transmits the capacitor voltage to the output module through the capacitor high-current conduction circuit.
  8. 8. The elevator power supply system with the energy storage function according to claim 4, wherein when the elevator power supply system with the energy storage function is normally turned off, the capacitor high-current time relay and the power grid high-current time relay output the first normal off signal, a control end of the power grid high-current contactor receives the first normal off signal, the power grid high-current conducting circuit is turned off, a control end of the capacitor high-current contactor receives the first normal off signal, and the capacitor high-current conducting circuit is turned off; The control module controls the capacitor low-current time relay to be disconnected, the capacitor low-current time relay to output the second normal disconnection signal, the control end of the capacitor low-current contactor to receive the second normal disconnection signal, the power grid low-current conduction circuit to be disconnected, the control module controls the capacitor low-current time relay to be disconnected, the capacitor low-current time relay to output the second normal disconnection signal, the control end of the capacitor low-current contactor to receive the second normal disconnection signal, the capacitor low-current conduction circuit to be disconnected, and the control end of the capacitor input contactor to receive the second normal disconnection signal, and the capacitor input contactor to be disconnected.
  9. 9. The elevator power supply system with the energy storage function according to claim 4, wherein when a power grid stops inputting voltage, the on switch is turned off, the on switch generates the off signal, a control end of the power grid input contactor receives the off signal, the power grid input contactor is turned off, the control module controls the power grid low current time relay and the power grid high current time relay to be turned off, the power grid low current time relay and the power grid high current time relay output the first abnormal off signal, a control end of the power grid high current contactor receives the first abnormal off signal, the power grid high current conducting circuit is turned off, a control end of the power grid low current contactor receives the first abnormal off signal, and the power grid low current conducting circuit is turned off; After the power grid low-current time relay and the power grid high-current time relay are disconnected, delaying the first abnormal off time, wherein the control module controls the capacitor high-current time relay to be disconnected, the capacitor high-current time relay outputs the second abnormal off signal, a control end of the capacitor high-current contactor receives the second abnormal off signal, and the capacitor high-current conducting circuit is disconnected; After the capacitor high-current time relay is disconnected, the second abnormal off time is delayed, the control module controls the capacitor low-current time relay to be disconnected, the capacitor low-current time relay outputs the third abnormal off signal, the control end of the capacitor low-current contactor receives the third abnormal off signal, the capacitor low-current on circuit is disconnected, the control end of the capacitor input contactor receives the third abnormal off signal, and the capacitor input contactor is disconnected.
  10. 10. The elevator power supply system with the energy storage function according to claim 4, wherein the control module further comprises a power grid control unit, the power grid control unit comprises a power grid control relay, one end of the power grid control relay is connected with a direct current control power supply, and the other end of the power grid control relay is connected with a control end of the power grid high current time relay and a control end of the power grid low current time relay; When a power grid fails, the power grid control relay is disconnected, the power grid control relay outputs a first disconnection signal, a control end of the power grid high-current time relay and a control end of the power grid low-current time relay receive the first disconnection signal, the power grid high-current time relay is disconnected with the power grid low-current time relay, the power grid high-current time relay outputs a first abnormal disconnection signal, a control end of the power grid high-current contactor receives the first abnormal disconnection signal, and the power grid high-current conducting circuit is disconnected; The control module further comprises a capacitance control unit, the capacitance control unit comprises a capacitance control relay, one end of the capacitance control relay is connected with a direct current control power supply, and the other end of the capacitance control relay is connected with a control end of the capacitance high-current time relay and a control end of the capacitance low-current time relay; When the carbon-based capacitor fails, the capacitor control relay is disconnected, the capacitor control relay outputs a second disconnection signal, the control end of the capacitor high-current time relay and the control end of the capacitor low-current time relay receive the second disconnection signal, the capacitor high-current time relay and the capacitor low-current time relay are disconnected, the capacitor high-current time relay outputs a first abnormal disconnection signal, the control end of the capacitor high-current contactor receives the first abnormal disconnection signal, the capacitor high-current conducting circuit is disconnected, the capacitor network low-current time relay outputs a third abnormal disconnection signal, the control end of the capacitor low-current contactor receives the third abnormal disconnection signal, and the capacitor low-current conducting circuit is disconnected.

Description

Elevator power supply system with energy storage function Technical Field The invention relates to the field of circuits, in particular to an elevator power supply system with an energy storage function. Background In modern society, elevators are widely used in various living places such as houses, markets, etc. The existing elevator is provided with a driving power supply and a control power supply, wherein the driving power supply is used for maintaining the operation of the elevator, and the control power supply is used for sending control instructions such as ascending, descending and the like of the elevator. The elevator driving power supply and the elevator control power supply are respectively powered by the power grids, so that the starting time of the elevator driving power supply is different, for example, the starting time of the elevator control power supply is later than that of the elevator driving power supply, so that the elevator runs under the condition of no control instruction, and the safety problem of the elevator can be caused. Therefore, it is necessary to provide an elevator power system with energy storage function to solve the above technical problems. Disclosure of Invention The invention provides an elevator power supply system with an energy storage function, which effectively solves the technical problem of poor safety of the existing elevator. The invention provides an elevator power supply system with an energy storage function, which comprises: The power supply module comprises a power supply switching-on unit, the power supply switching-on unit is used for generating a switching-on signal, and the power supply module is used for outputting a power supply voltage based on the switching-on signal; The carbon-based capacitor module is used for carrying out energy storage operation on the power supply voltage so as to generate capacitor voltage; a control module for starting the control module based on the on signal, outputting a first start signal, outputting a second start signal after delaying the first start time, outputting a third start signal after delaying the second start time, The switching module is used for switching on the power grid small current conduction circuit and the capacitor small current conduction circuit based on the first switching-on signal, switching on the power grid large current conduction circuit based on the second switching-on signal, switching on the capacitor large current conduction circuit based on the third switching-on signal; And the output module is used for converting the direct-current power supply voltage and the capacitor voltage into alternating-current output voltage and outputting the output voltage to the elevator. Compared with the prior art, the elevator power supply system with the energy storage function has the beneficial effects that the elevator power supply system with the energy storage function comprises a power supply module, a carbon-based capacitor module, a control module and a switch module. The control module can be connected and output a first starting signal based on the connection signal, and the switch module is connected with the power grid small current conducting circuit and the capacitor small current conducting circuit based on the first starting signal. Therefore, the power grid small-current conducting circuit and the capacitor small-current conducting circuit can transmit the power supply voltage to the carbon-based capacitor module. And the charging operation of the power supply voltage to the carbon-based capacitor module ensures that the carbon-based capacitor has enough electric quantity, and the control module can be ensured to be normally used when power is off. After delaying the first starting time, the control module outputs a second starting signal, and the switch module is used for switching on the large-current conducting circuit of the power grid based on the second starting signal. Thus, the power supply module can output a power supply voltage to the elevator. Thus, the elevator can be started up quickly and operated normally based on the supply voltage. In the elevator power supply system with the energy storage function, the control module is firstly connected and then supplies power to the elevator, so that the starting time of the elevator control module is earlier than the starting time of the elevator. So that the elevator is operated with control instructions. Therefore, the elevator is not easy to cause out of control in running, and the user can use the elevator more safely. The technical problem that the safety of the existing elevator is poor is effectively solved. After delaying the second starting time, the control module outputs a third starting signal. The switch module is used for switching on a small-current conducting circuit of the power grid based on the third starting signal, so that the carbon-based capacitor module can output capacitor voltage to the elevator.