CN216649306U - Operation power supply for automatic emergency of elevator - Google Patents

Abstract

The present invention provides an operation power supply for an automatic emergency of an elevator, comprising: the system comprises a strong current module, a control module, a storage battery, a transformer and an output circuit breaker; the storage battery is connected with the control module and the strong current module, and is used for receiving a power-off signal of the control module and outputting a first standby voltage to the strong current module when the storage battery is in a power-off state; the strong current module is used for outputting the first standby voltage to the transformer; the transformer is used for boosting the first standby voltage to a second standby voltage and transmitting the second standby voltage to the control module; the control module is also used for inverting the second standby voltage into a first alternating voltage and outputting the first alternating voltage to the strong current module; and the output breaker is connected with the strong current module and used for outputting the first alternating current voltage to an elevator load to supply power for the elevator. The utility model can automatically switch to the inversion state when the commercial power fails and the power is off, and provides electric energy for the functions of illumination, ventilation, alarm and communication of the elevator car.

Description

Operation power supply for automatic emergency of elevator

Technical Field

The utility model relates to the technical field of elevator equipment, in particular to an automatic emergency operation power supply for an elevator.

Background

Elevators have become indispensable tools for citizens to get in and out of floors, but the situation that the citizens are trapped in the elevators occurs occasionally due to unexpected power failure and other situations. In the running elevators, if the elevators are suddenly powered off, many elevators are not provided with emergency power supply protection devices, and some elevators even have no double power supplies, so that the elevators can be in a person-closing accident once the elevators are subjected to accidental power failure.

With the progress of social modernization, urban electricity utilization will meet new peaks. The shortage of power resources causes the power supply problem of the elevator to be tested, and the safety maintenance of the elevator should be enhanced for related property districts and owner units, and the elevator is provided with an emergency power supply to deal with the sudden power failure of the elevator.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic emergency operating power supply for an elevator, which solves the problems.

An operating power supply for an automatic emergency of an elevator, comprising: the system comprises a strong current module, a control module, a storage battery, a transformer and an output circuit breaker;

the storage battery is connected with the control module and the strong current module, and is used for receiving a power-off signal of the control module and outputting a first standby voltage to the strong current module when the storage battery is in a power-off state;

the strong current module is used for outputting the first standby voltage to the transformer;

the transformer is used for boosting the first standby voltage to a second standby voltage and transmitting the second standby voltage to the control module;

the control module is further used for inverting the second standby voltage into the first alternating-current voltage and outputting the first alternating-current voltage to the strong current module;

and the output breaker is connected with the strong current module and used for outputting the first alternating current voltage to an elevator load to supply power for the elevator.

In some embodiments, further comprising:

an input breaker for inputting the first alternating-current voltage to the strong current module;

the strong current module is connected with the input circuit breaker and used for receiving the first alternating current voltage and transmitting the first alternating current voltage to a transformer;

the transformer is connected with the strong current module and used for receiving the first alternating current voltage, reducing the first alternating current voltage into a second alternating current voltage and outputting the second alternating current voltage to the control module;

the control module is connected with the transformer and used for rectifying the second alternating-current voltage into direct-current voltage to charge the storage battery.

In some embodiments, further comprising:

an input breaker for inputting the first alternating voltage to the strong current module;

the strong current module is connected with the input circuit breaker and used for receiving the first alternating current voltage and transmitting the first alternating current voltage to a transformer;

and the output breaker is connected with the strong current module and used for receiving the first alternating current voltage, outputting the first alternating current voltage to the elevator load and supplying power to the elevator.

In some embodiments, further comprising:

the temperature detection module is connected with the control module and the storage battery and used for detecting the real-time temperature of the storage battery and transmitting the real-time temperature of the storage battery to the control module;

the control module is further used for stopping power supply to the storage battery when the real-time temperature of the storage battery exceeds a temperature threshold value.

In some embodiments, further comprising:

and the display module is connected with the control module and the strong current module, and is used for displaying the real-time battery voltage of the operation power box and providing a human-computer interaction interface.

In some embodiments, the strong electric module includes:

the input filter circuit is used for being connected with the input circuit breaker and filtering the first alternating-current voltage input by the input circuit breaker;

the input filter circuit includes: the filter circuit comprises a filter inductor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor and a first resistor;

the second end and the fourth end of the filter inductor are connected with the first capacitor, and the second end and the fourth end of the filter inductor are also connected with the first resistor;

the first end and the third end of the filter inductor are connected with the second capacitor, and the first end and the third end of the filter inductor are also connected with the third capacitor and the fourth capacitor.

In some embodiments, the strong electric module further includes:

the current sampling circuit is used for reading the inversion current value for external calling;

the current sampling circuit includes: the device comprises a first sampling resistor and a second sampling resistor;

the first sampling resistor and the second sampling resistor are connected in parallel and are connected with the control module and the display module.

In some embodiments, the strong electric module further includes:

a switching circuit including a first relay, a second relay, a third relay, a fourth relay, a first diode, a second diode, and a third diode;

the first relay is connected with the input circuit breaker, the control module and the transformer, and the first relay is also connected with the third relay;

the second relay is connected with the first diode in parallel, the second relay is also connected with the fourth relay, and the second relay is connected with the control module;

the third relay is connected with the second diode in parallel, the third relay is also connected with the control module, and the third relay is connected with the transformer;

the fourth relay is connected with the third diode in parallel, the fourth relay is connected with the first relay, and the fourth relay is further connected with the control module.

In some embodiments, the control module comprises:

the charging circuit is connected with the transformer and the storage battery and used for converting a first alternating current voltage into a first standby voltage;

the MCU is connected with the converter, the display module and the storage battery and is used for sending a power-off signal to the storage battery when the MCU is in a power-off state so that the storage battery outputs a first standby voltage to the strong current module;

and the current transformer is connected with the transformer and the strong electric module, and is used for inverting the second standby voltage sent by the transformer into the first alternating current voltage and outputting the first alternating current voltage to the strong electric module.

In some embodiments, the display module comprises:

a voltage display circuit connected to the high-voltage module and the battery; the real-time battery voltage used for displaying the operation power box;

a current display circuit connected to the high current module and the battery; the real-time current used for displaying the operation power box;

and the inversion display circuit is connected with the control module through an interface and is used for displaying the inversion current value.

In some embodiments, further comprising:

the anti-reverse connection module is connected with the strong current module;

the reverse connection preventing module comprises a reverse connection preventing circuit, and the reverse connection preventing circuit comprises a fourth diode and a direct current contactor; the fourth diode is connected in parallel with the direct current contactor.

The utility model provides an automatic emergency operation power supply for an elevator, which at least has the following beneficial effects:

1) the automatic emergency operation power supply box for the elevator, provided by the utility model, has the advantages of simple design, easiness in later maintenance, reliability and stability, realizes the safe maintenance of the elevator, and is provided with an emergency power supply for the elevator to cope with the sudden power failure of the elevator.

2) According to the utility model, firstly, because of function integration, the number of components is reduced, so that connecting wires are reduced, the interior of the case is simpler, and the production process is optimized. The external dimension of the case is reduced, and the miniaturization design of the product is realized.

3) The display module is used for replacing an original analog pointer type voltmeter and an original ammeter, and man-machine interaction is clearer and more visual.

Drawings

The above characteristics, technical features, advantages and realisations of an operating power supply for automatic emergency treatment of elevators will be further explained in a clearly understandable way, with reference to the accompanying drawings, which describe preferred embodiments.

Fig. 1 is a schematic structural view of an embodiment of an operating power supply for an automatic emergency of an elevator in the present invention;

fig. 2 is a schematic structural view of an operation power supply for an automatic emergency of an elevator according to a second embodiment of the present invention;

fig. 3 is a schematic structural view of an operation power supply for an automatic emergency of an elevator according to a third embodiment of the present invention;

fig. 4 is a schematic structural view of an operation power supply for an automatic emergency of an elevator according to a fourth embodiment of the present invention;

fig. 5 is a schematic structural view of an operation power supply for an automatic emergency of an elevator according to a fifth embodiment of the present invention;

fig. 6 is a schematic circuit diagram of an operating power supply for an elevator automatic emergency according to the present invention;

FIG. 7 is a schematic diagram of the application of the subscriber terminal arrangement method of the present invention;

FIG. 8 is a schematic diagram of an anti-reverse module of the present invention;

fig. 9 is a schematic diagram of an operation power supply for automatic emergency of an elevator according to the present invention after layout optimization;

fig. 10 is a schematic diagram of a charging circuit in the present invention.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. Moreover, in the interest of brevity and understanding, only one of the components having the same structure or function is illustrated schematically or designated in some of the drawings. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the utility model, and that for a person skilled in the art, without inventive effort, other drawings and embodiments can be derived from them.

In one embodiment, the present invention provides an operating power supply for an elevator automatic emergency, as shown in fig. 1, comprising:

a high-voltage module 100, a control module 200, a battery 300, a transformer 400, and an output breaker 500.

Specifically, the output breaker 500 is connected to the high voltage module 100; the transformer 400 is electrically connected to the strong electric module 100; the control module 200 is inserted into the side of the high voltage module 100.

The battery 300 is connected to the control module 200 and the strong electric module 100, and configured to receive a power-off signal from the control module 200 and output a first standby voltage to the strong electric module 100 when the battery is in a power-off state.

Specifically, the battery 300 may be a 24V battery 300. The 24V battery 300 is electrically connected to the high-voltage module 100.

The strong electric module 100 is configured to output the first standby voltage to the transformer 400.

The transformer 400 is configured to boost the first standby voltage to a second standby voltage, and transmit the second standby voltage to the control module 200.

The control module 200 is further configured to invert the second standby voltage into the first ac voltage, and output the first ac voltage to the strong electric module 100.

The output breaker 500 is connected to the strong current module 100, and is configured to output a first ac voltage to an elevator load to supply power to the elevator.

Illustratively, when there is no 220VAC, i.e. power-off state, the power is supplied by the storage battery 300 and input to the strong electric board, the voltage is boosted by the transformer 400 and inverted by the control module 200, so that the 24VDC voltage is inverted into 220VAC and output to the user load, and the power is provided for the functions of illumination, ventilation, alarm and communication of the elevator car.

The embodiment provides an elevator emergency operation power supply, when the commercial power breaks down and cuts off the power supply, automatic switching becomes the contravariant state, provides the electric energy for illumination, ventilation, warning and the communication function of elevator car.

Compared with the existing design, the case has the advantages that the number of parts is reduced due to function integration, connecting wires are reduced, the interior of the case is simpler, and the production process is optimized.

The utility model can also improve the reliability of elevator operation, avoid the fault caused by the power failure of the external power grid, and cause the harm to the body and mind of passengers.

In the embodiment, the strong current module and the control module are rearranged, and the control module is connected with the strong current module in a socket mode, so that cables are not needed between the control module and the strong current module, the number of connecting cables is reduced, and the wiring process in production is optimized. The connection relationship between the modules is simplified, the production cost is reduced, and the reliability is improved.

At the same time, as shown in fig. 9, the product volume is reduced to 370 x 450 x 188mm through layout optimization, which is minimized under the current design.

In an embodiment, based on the above embodiment, the same parts as those in the above embodiment are not repeated herein, and this embodiment provides an operation power supply for an elevator automatic emergency, as shown in fig. 2, including:

an input breaker 600 for inputting the first ac voltage to the high voltage module 100.

The strong current module is connected with the input circuit breaker and used for receiving the first alternating current voltage and transmitting the first alternating current voltage to the transformer.

The transformer is connected with the strong current module and used for receiving the first alternating current voltage, reducing the first alternating current voltage into a second alternating current voltage and outputting the second alternating current voltage to the control module.

The control module is connected with the transformer and used for rectifying the second alternating-current voltage into direct-current voltage to charge the storage battery.

Specifically, the operating power supply for automatic emergency of an elevator of the present embodiment includes a chassis, and an input breaker 600, an output breaker 500, a transformer 400, a strong current module 100, a control module 200, and a 24V storage battery 300 are respectively installed in a body of the chassis.

Illustratively, the input breaker 600 is electrically connected to the high power module 100, and the output breaker 500 is connected to the high power module 100; the transformer 400 is electrically connected to the strong electric module 100; the control module 200 is inserted into the side surface of the strong current module 100; the 24V battery 300 is electrically connected to the high-voltage module 100.

Specifically, the input breaker 600 is configured to input the first ac voltage to the high voltage module 100; the strong electric module 100 is connected to the input breaker 600, and configured to receive the first ac voltage and transmit the first ac voltage to the transformer 400; the output breaker 500 is connected to the strong current module 100, and is configured to receive the first ac voltage, output the first ac voltage to the elevator load, and supply power to the elevator.

In this embodiment, the operation power supply for elevator automatic emergency further includes a display module 700 connected to the control module 200 and the strong electric module 100, for displaying the real-time battery voltage of the operation power supply box and providing a man-machine interaction interface.

Illustratively, the display module 700 is electrically connected to the control module 200, and the display module 700 is electrically connected to the high voltage module 100.

In this embodiment, the display module 700 is used to replace the original analog pointer type voltmeter and ammeter, so that the human-computer interaction is more clear and intuitive.

The embodiment provides an elevator emergency operation power supply, when the commercial power breaks down and cuts off the power supply, automatic switching becomes the contravariant state, provides the electric energy for illumination, ventilation, warning and the communication function of elevator car.

Compared with the existing design, the case has the advantages that the number of parts is reduced due to function integration, connecting wires are reduced, the interior of the case is simpler, and the production process is optimized.

The utility model can also improve the reliability of elevator operation, avoid the fault caused by the power failure of the external power grid, and cause the harm to the body and mind of passengers.

In an embodiment, based on the above embodiment, parts of this embodiment that are the same as the above embodiment are not repeated, and this embodiment provides an operation power supply for an elevator automatic emergency, as shown in fig. 3, including:

a high-voltage module 100, a control module 200, a battery 300, a transformer 400, and an output breaker 500.

And the temperature detection module 800 is connected with the control module 200 and the storage battery 300, and is configured to detect the real-time temperature of the storage battery 300 and transmit the real-time temperature of the storage battery 300 to the control module 200.

The control module 200 is further configured to stop power supply to the battery 300 when the real-time temperature of the battery 300 exceeds the temperature threshold.

The power supply for automatic emergency operation of elevator includes a case, an input breaker 600, an output breaker 500, a transformer 400, a strong current module 100, a control module 200, a 24V battery 300, and a temperature sensor are mounted in the case.

The input breaker 600 is electrically connected with the high voltage module 100, the output breaker 500 is connected with the high voltage module 100, the transformer 400 is electrically connected with the high voltage module 100, the control module 200 is inserted and mounted on the side surface of the high voltage module 100, the 24V storage battery 300 is electrically connected with the high voltage module 100, and the temperature sensor is electrically connected with the control module 200.

In the state where there is a single-phase 220VAC, the 220VAC passes through the input breaker 600 to the high voltage module 100, and is output to the user load side through the output breaker 500.

At the same time, 220VAC passes through the strong electric module 100 to the transformer 400, so that the voltage is reduced, and the 24VDC storage battery 300 is charged after being rectified by the control module 200, so that the 24VDC storage battery 300 can be ensured to be in a full-power state.

When the elevator car is not powered by 220VAC, namely in a power-off state, the storage battery 300 supplies power to the strong electric board, the voltage is boosted through the transformer 400, and the control module 200 inverts the voltage to convert the 24VDC voltage into 220VAC voltage to be output to a user load, so that electric energy is provided for the functions of illumination, ventilation, alarm and communication of the elevator car.

The utility model can improve the reliability of elevator operation, avoid the fault caused by the power failure of the external power grid, and cause the harm to the body and mind of passengers.

In an embodiment, based on the above embodiment, parts of this embodiment that are the same as the above embodiment are not repeated, and this embodiment provides an operation power supply for an elevator automatic emergency, as shown in fig. 4 and 6, including:

a high-voltage module 100, a control module 200, a battery 300, a transformer 400, an output breaker 500, an input breaker 600, and a display module 700.

The utility model aims to solve the defects of the prior art and provides an automatic emergency operation power box for an elevator, which is simple in design, easy to maintain in the later period, reliable and stable. The technical scheme is as follows:

the technology is realized as follows: the power supply system comprises a cabinet, an input breaker 600(MCB1), an output breaker 500(MCB2), a transformer 400, a strong current module 100, a control module 200, a display module 700 and a 24V storage battery 300.

Specifically, the input breaker 600 is electrically connected to the high power module 100, and the output breaker 500 is connected to the high power module 100; the transformer 400 is electrically connected to the strong electric module 100; the control module 200 is inserted into the side surface of the strong current module 100; the display module 700 is electrically connected with the control module 200, and the display module 700 is electrically connected with the strong electric module 100; the 24V battery 300 is electrically connected to the strong electric module 100; the temperature sensor is electrically connected to the control module 200.

The input breaker 600(MCB1), the output breaker 500(MCB2), the transformer 400, the high voltage module 100, the control module 200, the display module 700, the 24V battery 300, and the temperature sensor are mounted in the housing body.

Compared with the prior art, the number of parts is reduced due to the function integration of the embodiment, so that connecting wires are reduced, the interior of the case is simpler, and the production process is optimized; moreover, the display module 700 is used for replacing the original analog pointer type voltmeter and ammeter, so that the human-computer interaction is clearer and more intuitive; the external dimension of the case is reduced, and the miniaturization design of the product is realized.

Illustratively, the input breaker 600(MCB1) is electrically connected to the high voltage module 100, the output breaker 500(MCB2) is connected to the high voltage module 100, the transformer 400 is electrically connected to the high voltage module 100, the control module 200 is inserted into the side of the high voltage module 100, the display module 700 is electrically connected to the control module 200, the display module 700 is electrically connected to the high voltage module 100, the 24V BATTERY 300(BATTERY) is electrically connected to the high voltage module 100, and the temperature sensor is electrically connected to the control module 200.

In the state where there is a single-phase 220VAC, the 220VAC passes through input breaker 600(MCB1) to heavy electric module 100, and is output to the user load side through output breaker 500(MCB 2).

Meanwhile, 220VAC passes through the strong electric module 100 to the transformer 400, so that the voltage is reduced, and the 24VDC storage BATTERY 300(BATTERY) is charged after being rectified by the control module 200, so that the 24VDC storage BATTERY 300(BATTERY) can be ensured to be in a full-power state.

While the temperature sensor monitors the BATTERY surface temperature in real time, the control module 200 will stop charging the 24VDC BATTERY 300(BATTERY) when the BATTERY temperature is too high.

When the elevator car is not powered by 220VAC (power failure), the power is supplied to the strong electric board by the storage battery 300, the voltage is boosted by the transformer 400, and the control module 200 inverts the voltage to convert the 24VDC (24V direct current voltage) into 220VAC (220V alternating current voltage) and outputs the 220VAC (220V alternating current voltage) to a user load, so that electric energy is provided for the functions of illumination, ventilation, alarm and communication of the elevator car.

When the commercial power breaks down and is powered off, the inverter state is automatically switched to provide electric energy for the functions of illumination, ventilation, alarm and communication of the elevator car. The utility model can improve the reliability of elevator operation, and avoid the fault caused by the power failure of the external power grid, thereby causing the harm to the body and mind of passengers.

In an embodiment, based on the above embodiment, parts of this embodiment that are the same as the above embodiment are not repeated, and this embodiment provides an operation power supply for an elevator automatic emergency, as shown in fig. 5 and 6, including:

a high-voltage module 100, a control module 200, a battery 300, a transformer 400, an output breaker 500, an input breaker 600, a display module 700, and a temperature detection module 800.

The utility model aims to solve the defects of the prior art and provides an automatic emergency operation power box for an elevator, which is simple in design, easy to maintain in the later period, reliable and stable. The technical scheme is as follows:

the technology is realized as follows: the intelligent control system comprises a cabinet, an input breaker 600(MCB1), an output breaker 500(MCB2), a transformer 400, a strong current module 100, a control module 200, display modules 700, a 24V storage battery 300 and a temperature sensor.

Specifically, the input breaker 600 is electrically connected to the high power module 100, and the output breaker 500 is connected to the high power module 100; the transformer 400 is electrically connected to the strong electric module 100; the control module 200 is inserted into the side surface of the strong current module 100; the display module 700 is electrically connected with the control module 200, and the display module 700 is electrically connected with the strong electric module 100; the 24V battery 300 is electrically connected to the strong electric module 100; the temperature sensor is electrically connected to the control module 200.

The input breaker 600(MCB1), the output breaker 500(MCB2), the transformer 400, the high voltage module 100, the control module 200, the display module 700, the 24V battery 300, and the temperature sensor are mounted in the housing body.

Compared with the prior art, the number of parts is reduced due to the function integration of the embodiment, so that connecting wires are reduced, the interior of the case is simpler, and the production process is optimized; moreover, the display module 700 is used for replacing the original analog pointer type voltmeter and ammeter, so that the human-computer interaction is clearer and more intuitive; the external dimension of the case is reduced, and the miniaturization design of the product is realized.

Illustratively, the input breaker 600(MCB1) is electrically connected to the high voltage module 100, the output breaker 500(MCB2) is connected to the high voltage module 100, the transformer 400 is electrically connected to the high voltage module 100, the control module 200 is inserted into the side of the high voltage module 100, the display module 700 is electrically connected to the control module 200, the display module 700 is electrically connected to the high voltage module 100, the 24V BATTERY 300(BATTERY) is electrically connected to the high voltage module 100, and the temperature sensor is electrically connected to the control module 200.

In the state where there is a single-phase 220VAC, the 220VAC passes through input breaker 600(MCB1) to heavy electric module 100, and is output to the user load side through output breaker 500(MCB 2).

Meanwhile, 220VAC passes through the strong electric module 100 to the transformer 400, so that the voltage is reduced, and the 24VDC storage BATTERY 300(BATTERY) is charged after being rectified by the control module 200, so that the 24VDC storage BATTERY 300(BATTERY) can be ensured to be in a full-power state.

While the temperature sensor monitors the BATTERY surface temperature in real time, the control module 200 will stop charging the 24VDC BATTERY 300(BATTERY) when the BATTERY temperature is too high.

When the elevator car is not powered by 220VAC (power failure), the power is supplied to the strong electric board by the storage battery 300, the voltage is boosted by the transformer 400, and the control module 200 inverts the voltage to convert the 24VDC (24V direct current voltage) into 220VAC (220V alternating current voltage) and outputs the 220VAC (220V alternating current voltage) to a user load, so that electric energy is provided for the functions of illumination, ventilation, alarm and communication of the elevator car.

When the commercial power is in failure and power is off, the state is automatically switched to the inversion state, and electric energy is provided for the functions of illumination, ventilation, alarm and communication of the elevator car. The utility model can improve the reliability of elevator operation, avoid the fault caused by the power failure of the external power grid, and cause the harm to the body and mind of passengers.

In an embodiment, based on the above embodiment, the same parts as those in the above embodiment are not repeated in this embodiment, and this embodiment provides an operation power supply for an elevator automatic emergency, as shown in fig. 5 and 6, in this embodiment, the strong electric module 100 includes:

and the input filter circuit is connected with the input breaker 600 and is used for filtering the first alternating voltage input by the input breaker 600.

The input filter circuit includes: the filter circuit comprises a filter inductor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor and a first resistor.

The second end and the fourth end of the filter inductor are connected with the first capacitor, and the second end and the fourth end of the filter inductor are also connected with the first resistor.

The first end and the third end of the filter inductor are connected with the second capacitor, and the first end and the third end of the filter inductor are also connected with the third capacitor and the fourth capacitor.

Illustratively, the input filter circuit is configured to be connected to the input breaker 600, and filter the first ac voltage input by the input breaker 600. The input filter circuit includes: the circuit comprises a filter inductor (Le), a first capacitor (C1), a second capacitor (C2), a third capacitor (C3), a fourth capacitor (C4) and a first resistor (R1).

The second end and the fourth end of the filter inductor (Le) are connected with the first capacitor (C1), and the second end and the fourth end of the filter inductor (Le) are also connected with the first resistor (R1).

The first end and the third end of the filter inductor (Le) are connected with the second capacitor, and the first end and the third end of the filter inductor (Le) are also connected with a third capacitor (C3) and a fourth capacitor (C4).

The strong electric module 100 further includes:

and the current sampling circuit is used for reading the inversion current value for external calling.

The current sampling circuit includes: the device comprises a first sampling resistor and a second sampling resistor; the first sampling resistor and the second sampling resistor are connected in parallel and are connected with the control module 200 and the display module 700.

Illustratively, the current sampling circuit includes: a first sampling resistor (Rs1) and a second sampling resistor (Rs 2); the first sampling resistor (Rs1) and the second sampling resistor (Rs2) are connected in parallel and are connected with the control module 200 and the display module 700.

Specifically, the current sampling circuit is further connected to a FUSE (FUSE1 FUSE2 FUSE3) and a BATTERY (BATTERY) at the dc terminal.

As an example, as shown in fig. 7, the arrangement method of the subscriber terminals is schematically illustrated. The current sampling circuit samples the current, and the current sampling circuit can be connected with a client terminal for reading the inversion current value.

The strong electric module 100 further includes:

a switching circuit including a first relay, a second relay, a third relay, a fourth relay, a first diode, a second diode, and a third diode; the first relay is connected with the input breaker 600, the control module 200 and the transformer 400, and the first relay is also connected with the third relay; the second relay is connected with the first diode in parallel, the second relay is also connected with the fourth relay, and the second relay is connected with the control module 200; the third relay is connected in parallel with the second diode, the third relay is further connected with the control module 200, and the third relay is connected with the transformer 400; the fourth relay is connected in parallel with the third diode, the fourth relay is connected with the first relay, and the fourth relay is further connected with the control module 200.

Illustratively, a switching circuit including a first relay (K1 connected to port L2), a second relay (K2), a third relay (K3), a fourth relay (K1 connected to diode D33), a first diode (D1), a second diode (D2), and a third diode (D33); the first relay is connected with the input breaker 600, the control module 200 and the transformer 400, and the first relay is also connected with the third relay; the second relay is connected with the first diode in parallel, the second relay is also connected with the fourth relay, and the second relay is connected with the control module 200; the third relay is connected in parallel with the second diode, the third relay is further connected with the control module 200, and the third relay is connected with the transformer 400; the fourth relay is connected with the third diode in parallel, the fourth relay is connected with the first relay, and the fourth relay is further connected with the control module 200.

Specifically, the switching circuit is used as a mutual switching part between the ac PASS and the inverter output to realize the switching of the circuit output, for example:

in the state where there is a single-phase 220VAC, the 220VAC passes through the input breaker 600(MCB1) to the high electric power module 100, and the 220VAC (220V ac voltage) is output to the user load side through the output breaker 500(MCB 2).

Meanwhile, 220VAC (220V alternating voltage) passes through the strong electric module 100 to the transformer 400, so that the voltage is reduced, the voltage is rectified by the control module 200 and then charged into the 24VDC (24V direct voltage) storage BATTERY 300(BATTERY), and the 24VDC storage BATTERY 300(BATTERY) can be ensured to be in a full-power state.

While the temperature sensor monitors the BATTERY surface temperature in real time, the control module 200 will stop charging the 24VDC BATTERY 300(BATTERY) when the BATTERY temperature is too high.

When the elevator car is not powered by 220VAC (namely in a power-off state), the storage battery 300 supplies power and inputs the power to the strong electric board, the voltage is boosted through the transformer 400 and inverted by the control module 200, so that the 24VDC voltage (24V direct current voltage) is inverted into 220VAC (220V alternating current voltage) and output to a user load, and electric energy is provided for the functions of illumination, ventilation, alarm and communication of the elevator car.

Illustratively, the symbols (P: DC +, N: DC-; X) are the connecting line definition points, with no practical significance. VF: a Voltage feedback.

The control module 200 includes:

illustratively, as shown in fig. 6, the MCU (MCU1), the charging circuit (Charger), and the alternator (Inverter).

And a charging circuit connected to the transformer 400 and the battery 300, for converting the first ac voltage into a first standby voltage.

The first alternating voltage is 220VAC, which is a normal input voltage, and the first alternating voltage of the charging circuit is input from the transformer. The first standby voltage (24VDC) is output to the battery.

And an MCU connected to the converter, the display module 700 and the battery 300, and configured to transmit a power-off signal to the battery 300 when the converter, the display module 700 and the battery 300 are in a power-off state, so that the battery 300 outputs a first standby voltage (24VDC) to the high voltage module 100.

The charging circuit is connected with the MCU, and the MCU controls the charging current in the charging circuit.

And a converter connected to the transformer 400 and the high power module 100, for converting the second standby voltage (22VDC) transmitted from the transformer 400 into the first ac voltage (220VAC), and outputting the first ac voltage to the high power module 100.

The display module 700 includes:

a voltage display circuit connected to the high voltage module 100 and the battery 300; and the real-time battery voltage display module is used for displaying the real-time battery voltage of the operation power box.

A current display circuit connected to the high power module 100 and the battery 300; the real-time current display device is used for displaying the real-time current of the operation power box.

And the inversion display circuit is connected with the control module 200 through an interface and is used for displaying the inversion current value.

Illustratively, the display module 700 includes a voltage display circuit (Volt meter), a current display circuit (AM meter), an Inverter display circuit (Inverter), a High direct current display (High DC), and a Low direct current (Low DC).

Based on the above embodiment, the same parts as those in the above embodiment are not repeated in this embodiment, and the operation power supply for automatic emergency of an elevator of this embodiment further includes a reverse connection prevention module, and the reverse connection prevention circuit is connected to the strong current module.

Illustratively, as shown in fig. 8, the reverse connection prevention module includes a reverse connection prevention circuit, and the reverse connection prevention circuit includes a fourth DIODE (DIODE), a direct current contactor (RY-a); the fourth diode is connected in parallel with the direct current contactor.

Through the reverse connection preventing circuit, the reverse connection preventing function of the battery is added, and if the positive end and the negative end of the battery are reversely connected to the power module, the operation power supply cannot operate. The function is realized by the diode and the direct current contactor, the direct current contactor can be attracted only after the strong current module is correctly connected with the positive electrode and the negative electrode of the battery, and the strong current module is electrified after attraction to start operation.

Based on the above embodiment, the same parts as those in the above embodiment are not repeated in this embodiment, and the door panel man-machine interaction interface of the operation power supply for elevator automatic emergency of this embodiment is embedded, as shown in fig. 9, and includes a circuit breaker, a display module and a cabinet lock, and is embedded inside the door panel, so that the package transportation is more compact and safer, and the parts mounted on the door panel are prevented from being damaged in the transportation process.

Based on the above embodiment, the same parts as those in the above embodiment are not repeated in this embodiment, and as shown in fig. 10, the charging circuit of the operating power supply for elevator automatic emergency of this embodiment includes:

a #: a main topological unit:

the charging control is based on a charging management circuit (a main circuit of a charging circuit (Buck converter)) of a BUCK converter, a switching tube of the converter is at a high end and is driven by an isolation transformer, and a control unit and a main power circuit are isolated (the main charging circuit (Buck converter) and a charging control circuit (TI controller) are isolated by the isolation transformer).

B #: a control unit:

the control part is realized by a TI-based controller TL494 and comprises the following steps: the charging circuit comprises a voltage acquisition circuit, a reference voltage setting circuit and a charging current control circuit.

The voltage acquisition circuit acquires the Buck output voltage, and the Buck output voltage is compared with the reference voltage after voltage division so as to set the Buck output voltage, namely the highest charging voltage.

The voltage acquisition circuit includes:

a capacitor (C47) and a capacitor (E12) which are connected with a reference voltage terminal (REF) in parallel; and a capacitor (C48) and a capacitor (E13) which are connected in parallel with the power supply terminal (VDD).

The reference voltage setting circuit includes:

and the TI controller is connected with a capacitor (C46), a resistor (R136), a pull-up resistor (R129) and a pull-down resistor (R138). A pull-up resistor (R129) is connected to the port (REF) and serves as a reference voltage output terminal of the reference voltage setting circuit.

The charging circuit control circuit includes:

the charging circuit comprises a pull-up resistor (R126) and a pull-up resistor (R128), wherein the pull-up resistor (R126) is connected with a port (Vbulk), and the pull-down resistor (R135) is connected with a port (Charge _ FB) and is used for adjusting the highest charging voltage.

The charging current control is a four-stage charging method, the MCU samples the voltage and the charging current of the rechargeable battery, and controls the charging current according to the collected voltage of the battery.

Four stages of charging current are set between the lowest battery working voltage and the highest voltage, the maximum charging current is set when the voltage is lower, and the trickle charging current is set when the voltage is highest to protect the battery.

C #: enabling and soft-starting the trigger unit:

in the figure, DTC is driving dead time, the power-on moment is maximum dead time, and then the dead time is gradually reduced to a modulation required value, namely a soft start process.

In addition, the single chip can collect other fault information, such as overvoltage, overtemperature and the like, and once other faults exist, the charging unit is forbidden to be enabled.

D # & E #: charging current unit and voltage sampling unit:

the charging current and the battery voltage are sampled to cooperate with the TL494 control unit to realize the four-stage charging method. Meanwhile, the charging current and voltage are monitored to realize overcurrent and overvoltage protection and the like.

The D # charging current unit comprises two comparators, wherein a positive feedback end (+) of a first comparator (UIB) is connected with a power supply (VCC) through a resistor (R1R 3) and is connected with a port (CS) through a resistor (R2R 3). The negative feedback (-) terminal of the first comparator is connected to the output terminal through a resistor (R5) and to ground through a resistor (R6). The input end (+) of the second comparator (UIA) is connected with the output end of the first comparator, the negative feedback end (-) of the second comparator is connected with the output end of the second comparator, the output end of the second comparator is connected with the port (BAT _ Cur) through the resistor (R4) and the resistor (R106), and the parallel capacitor (C40) and the resistor (R109) are connected with the port (BAT _ Cur) and used for achieving charging current sampling proportion adjustment.

The E # voltage sampling unit comprises: the resistor (R148) is connected to the port (BAT +), and the resistor (R148) is connected to the port (BAT _ Vol) via the resistor (R149) and the resistor (R150). The resistor (R148) is connected in parallel with the resistor (R153R 154), the device (Z4) and the capacitor (C53) which are connected in series through the resistor (R149), and is also connected to the ground through the capacitor (C51).

Because of the design of the charging circuit, the charging circuit is designed to be charged in 4 sections, the voltage of the 4 sections of charging is increased in sequence, the charging current is reduced in sequence, and the 4 sections of charging ensure that the two types of batteries can be charged safely.

At present, the product can be used for common lithium batteries and lead-acid sealed batteries, and the applicability of different battery types is improved through circuit design.

The automatic emergency operation power supply box for the elevator, provided by the utility model, has the advantages of simple design, easiness in later maintenance, reliability and stability, realizes the safe maintenance of the elevator, and is provided with an emergency power supply for the elevator to cope with the sudden power failure of the elevator. According to the utility model, firstly, because of function integration, the number of components is reduced, so that connecting wires are reduced, the interior of the case is simpler, and the production process is optimized. The external dimension of the case is reduced, and the miniaturization design of the product is realized. The display module is used for replacing an original analog pointer type voltmeter and an original ammeter, and man-machine interaction is clearer and more visual.

It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of program modules is illustrated, and in practical applications, the above-described distribution of functions may be performed by different program modules, that is, the internal structure of the apparatus may be divided into different program units or modules to perform all or part of the above-described functions. Each program module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one processing unit, and the integrated unit may be implemented in a form of hardware, or may be implemented in a form of software program unit. In addition, the specific names of the program modules are only used for distinguishing the program modules from one another, and are not used for limiting the protection scope of the application.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or recited in detail in a certain embodiment.

Those of ordinary skill in the art will appreciate that the elements of the examples described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

In the embodiments provided in the present application, it should be understood that the disclosed system may be implemented in other ways. The above-described embodiments are merely illustrative, and the division of the modules or units is merely an exemplary logical functional division, and there may be other divisions in actual implementation, and as an exemplary, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. An operating power supply for an automatic emergency of an elevator, comprising: the system comprises a strong current module, a control module, a storage battery, a transformer and an output circuit breaker;

the storage battery is connected with the control module and the strong current module, and is used for receiving a power-off signal of the control module and outputting a first standby voltage to the strong current module when the storage battery is in a power-off state;

the strong current module is used for outputting the first standby voltage to the transformer;

the transformer is used for boosting the first standby voltage to a second standby voltage and transmitting the second standby voltage to the control module;

the control module is also used for inverting the second standby voltage into a first alternating voltage and outputting the first alternating voltage to the strong current module;

and the output breaker is connected with the strong current module and used for outputting the first alternating current voltage to an elevator load to supply power for the elevator.

2. The operating power supply for an elevator automatic emergency as set forth in claim 1, further comprising:

an input breaker for inputting the first alternating voltage to the strong current module;

the strong current module is connected with the input circuit breaker and used for receiving the first alternating current voltage and transmitting the first alternating current voltage to a transformer;

the transformer is connected with the strong current module and used for receiving the first alternating current voltage, reducing the first alternating current voltage into a second alternating current voltage and outputting the second alternating current voltage to the control module;

and the control module is connected with the transformer and used for rectifying the second alternating-current voltage into direct-current voltage to charge the storage battery.

3. The operating power supply for an elevator automatic emergency as set forth in claim 1, further comprising:

an input breaker for inputting the first alternating voltage to the strong current module;

the strong current module is connected with the input circuit breaker and used for receiving the first alternating current voltage and transmitting the first alternating current voltage to a transformer;

and the output breaker is connected with the strong current module and used for receiving the first alternating current voltage, outputting the first alternating current voltage to the elevator load and supplying power to the elevator.

4. The operating power supply for an elevator automatic emergency as set forth in claim 1, further comprising:

the temperature detection module is connected with the control module and the storage battery and used for detecting the real-time temperature of the storage battery and transmitting the real-time temperature of the storage battery to the control module;

the control module is further used for stopping power supply to the storage battery when the real-time temperature of the storage battery exceeds a temperature threshold value.

5. The operating power supply for an elevator automatic emergency as set forth in claim 1, further comprising:

the display module is connected with the control module and the strong current module, and is used for displaying the real-time battery voltage of the operating power supply and providing a human-computer interaction interface;

the display module includes:

a voltage display circuit connected to the high-voltage module and the battery; the real-time battery voltage used for displaying the operation power box;

a current display circuit connected to the high current module and the battery; the real-time current used for displaying the operation power box;

and the inversion display circuit is connected with the control module through an interface and is used for displaying the inversion current value.

6. The automatic emergency operating power supply for elevators according to any one of claims 1 to 5, wherein the strong electric module comprises:

the input filter circuit is used for connecting the input circuit breaker and filtering the first alternating-current voltage input by the input circuit breaker;

the input filter circuit includes: the filter circuit comprises a filter inductor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor and a first resistor;

the second end and the fourth end of the filter inductor are connected with the first capacitor, and the second end and the fourth end of the filter inductor are also connected with the first resistor;

the first end and the third end of the filter inductor are connected with the second capacitor, and the first end and the third end of the filter inductor are also connected with the third capacitor and the fourth capacitor.

7. The operational power supply for elevator automatic emergency as set forth in claim 6, wherein the strong electric module further comprises:

the current sampling circuit is used for reading the inversion current value for external calling;

the current sampling circuit includes: the device comprises a first sampling resistor and a second sampling resistor;

the first sampling resistor and the second sampling resistor are connected in parallel and are connected with the control module and the display module.

8. The power supply for automatic emergency operation of elevator as claimed in claim 7, wherein said strong electric module further comprises:

a switching circuit including a first relay, a second relay, a third relay, a fourth relay, a first diode, a second diode, and a third diode;

the first relay is connected with the input circuit breaker, the control module and the transformer, and the first relay is also connected with the third relay;

the second relay is connected with the first diode in parallel, the second relay is also connected with the fourth relay, and the second relay is connected with the control module;

the third relay is connected with the second diode in parallel, the third relay is also connected with the control module, and the third relay is connected with the transformer;

the fourth relay is connected with the third diode in parallel, connected with the first relay and further connected with the control module.

9. The operating power supply for automatic emergency of elevator according to claim 6, characterized by the fact that said control module comprises:

the charging circuit is connected with the transformer and the storage battery and used for converting a first alternating current voltage into a first standby voltage;

the MCU is connected with the converter, the display module and the storage battery and used for sending a power-off signal to the storage battery when the storage battery is in a power-off state so that the storage battery outputs a first standby voltage to the strong current module;

and the converter is connected with the transformer and the strong current module, and is used for inverting the second standby voltage sent by the transformer into the first alternating current voltage and outputting the first alternating current voltage to the strong current module.

10. The operating power supply for an automatic emergency of an elevator according to claim 6, further comprising:

the anti-reverse connection module is connected with the strong current module;

the reverse connection preventing module comprises a reverse connection preventing circuit, and the reverse connection preventing circuit comprises a fourth diode and a direct current contactor; the fourth diode is connected in parallel with the direct current contactor.

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