CN217720810U - Elevator rescue system and elevator - Google Patents
Elevator rescue system and elevator Download PDFInfo
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- CN217720810U CN217720810U CN202220567060.1U CN202220567060U CN217720810U CN 217720810 U CN217720810 U CN 217720810U CN 202220567060 U CN202220567060 U CN 202220567060U CN 217720810 U CN217720810 U CN 217720810U
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- 238000004146 energy storage Methods 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses an elevator rescue system and an elevator, wherein the elevator rescue system comprises an elevator driver; an elevator rescue device; the first input end of the power supply switching circuit is connected with the elevator rescue device, the second input end of the power supply switching circuit is used for being connected with a driver power supply, and the output end of the power supply switching circuit is connected with the elevator driver; and the power supply switching circuit is used for outputting the electric energy output by the elevator rescue device to the elevator driver to supply power to the elevator driver when the second input end is powered down. The utility model discloses can reach the effect of sealing the star for the elevator driver power supply when having a power failure, improve the reliability of elevator rescue.
Description
Technical Field
The utility model relates to a rescue technical field especially relates to an elevator rescue system and elevator.
Background
Nowadays, elevators are widely used in people's daily lives, and people have higher and higher requirements on the safety of elevator systems.
At present, when the elevator is released for rescue, the rescue speed is generally limited by the resistance generated by the sealing star of the permanent magnet synchronous motor, and when the braking force is insufficient in the contracting brake, the sealing star can provide some resistance, so that the elevator car is prevented from stalling, and accidents are prevented. However, when the control scheme of the electronic star sealing technology is adopted at present, if the power failure occurs, the elevator driver stops working, the electronic star sealing can not work, the star sealing effect can not be achieved, and the potential safety hazard still exists at the moment.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main mesh provides an elevator rescue system and elevator aims at solving the problem that the electron seals the unable work of star under the power failure situation.
In order to achieve the above object, the utility model provides an elevator rescue system, include:
an elevator drive;
an elevator rescue device;
the first input end of the power supply switching circuit is connected with the elevator rescue device, the second input end of the power supply switching circuit is used for being connected with a driver power supply, and the output end of the power supply switching circuit is connected with the elevator driver; and the power supply switching circuit is used for outputting the electric energy output by the elevator rescue device to the elevator driver to supply power to the elevator driver when the second input end is powered down.
Optionally, the elevator rescue apparatus comprises:
the external power supply interface is used for connecting an external power supply;
the rescue power supply output interface is used for connecting an elevator driver;
the input end of the intermediate circuit is connected with the external power supply interface, and the output end of the intermediate circuit is connected with the rescue power supply output interface; and the intermediate circuit is used for converting the external power supply voltage into rescue power supply voltage and supplying power to the elevator driver.
Optionally, the intermediate circuit comprises a charge-discharge circuit and an energy storage device; the input end of the charge-discharge circuit is connected with the external power supply interface, and the output end of the charge-discharge circuit is connected with the rescue power supply output interface; the energy storage device is connected with the charging and discharging circuit; wherein,
the charging and discharging circuit is used for storing electric energy input by an external power supply into the energy storage device;
the charging and discharging circuit is further used for converting the electric energy stored by the energy storage device into the rescue power supply voltage and outputting the rescue power supply voltage through the rescue power supply output interface.
Optionally, the intermediate circuit includes a voltage conversion circuit, an input end of the voltage conversion circuit is connected to the external power interface, and an output end of the voltage conversion circuit is connected to the rescue power output interface;
the voltage conversion circuit is used for converting an external power supply voltage into the rescue power supply voltage.
Optionally, the elevator rescue device is in pluggable electrical connection with the external power source.
Optionally, the elevator driver includes a power module, a main control circuit and a driving circuit, an input end of the power module is connected with an output end of the power switching circuit, a first output end of the power module is connected with the main control circuit, and a second output end of the power module is connected with the driving circuit;
the power supply module is used for converting the input power supply voltage of the driver or the rescue power supply voltage into a control voltage and supplying power to the driving circuit and the control circuit; and converting the input power supply voltage of the driver or the rescue power supply voltage into a driving voltage to supply power for the driving circuit.
Optionally, the power switching circuit includes a first diode and a second diode, an anode of the first diode is a first input end of the power switching circuit, an anode of the second diode is a second input end of the power switching circuit, a cathode of the first diode is connected to a cathode of the second diode, and a common end where the cathode of the first diode is connected to the cathode of the second diode is an output end of the power switching circuit.
Optionally, the elevator rescue system comprises a power panel, and the power panel is provided with an input interface, a driver power input end and an output interface;
the power supply switching circuit is arranged on the power supply board, wherein a first input end of the power supply switching circuit is connected with the input interface, a second input end of the power supply switching circuit is connected with a power supply input end of the driver, and an output end of the power supply switching circuit is connected with the output interface.
Optionally, the elevator rescue system includes an interface board, where a rescue power interface and a power board interface are provided, and the rescue power interface is connected to the power board interface;
the rescue power supply interface is used for being connected with the rescue power supply output interface, and the power panel interface is used for being connected with a first input end of the power supply switching circuit.
Furthermore, in order to realize the above object, the utility model also provides an elevator, including elevator rescue system, elevator rescue system is configured as elevator rescue system as above.
The utility model provides an elevator rescue system and elevator, this elevator rescue system includes: an elevator drive; an elevator rescue device; a first input end of the power supply switching circuit is connected with the elevator rescue device, a second input end of the power supply switching circuit is used for being connected with a driver power supply, and an output end of the power supply switching circuit is connected with the elevator driver; and the power supply switching circuit is used for outputting the electric energy output by the elevator rescue device to the elevator driver to supply power to the elevator driver when the second input end is powered down. Therefore, when power failure occurs, the electric energy output by the elevator rescue device is automatically switched to supply power to the elevator driver, so that the elevator driver can continuously work, the star-sealing effect is continuously achieved, and the reliability of elevator rescue is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic diagram of functional modules of an embodiment of an elevator rescue system according to the present invention;
fig. 2 is a schematic diagram of a functional module of an elevator rescue device according to an embodiment of the elevator rescue system of the present invention;
fig. 3 is a schematic diagram of a functional module of an elevator rescue device of another embodiment of the elevator rescue system of the present invention;
fig. 4 is a schematic diagram of a functional module of an elevator rescue device of another embodiment of the elevator rescue system of the present invention;
fig. 5 is a schematic diagram of functional modules of another embodiment of the elevator rescue system of the present invention;
fig. 6 is a schematic module diagram of another embodiment of the elevator rescue system.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
The reference numbers indicate:
| reference numerals | Name(s) | Reference numerals | Name(s) |
| 100 | |
133 | |
| 200 | Power |
31 | |
| 300 | |
32 | |
| 400 | |
33 | |
| 500 | |
41 | Input interface |
| 11 | External |
51 | |
| 12 | Rescue power |
52 | |
| 13 | Intermediate circuit | D1 | |
| 131 | Charging and discharging circuit | D2 | |
| 132 | Energy storage device |
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an elevator rescue system, refer to fig. 1, and in an embodiment, this elevator rescue system, including elevator rescue device 100, power switching circuit 200 and elevator driver 300, the first input of power switching circuit 200 with elevator rescue device 100 is connected, the second input of power switching circuit 200 is used for inserting the driver power, the output of power switching circuit 200 with elevator driver 300 is connected; the power supply switching circuit 200 is configured to output the electric energy output by the elevator rescue apparatus 100 to the elevator driver 300 when the second input terminal is powered down, so as to supply power to the elevator driver 300.
The elevator rescue system can be used in an elevator control system adopting an electronic star-sealing technology. It can be understood that the elevator driver 300 is connected with a driver power supply, the elevator driver 300 is powered under normal conditions, the elevator driver 300 works normally, the star-sealed state is maintained, and the car is prevented from stalling; when the power is cut off, namely the power supply of the driver stops supplying power, the elevator driver 300 stops working, and the effect of sealing the star cannot be achieved.
In this embodiment, the power supply of the driver is the power supply of the elevator driver 300 under the condition of no power failure, and the power supply of the driver can be a low-voltage power supply, such as 24V, converted by a switching power supply, so that when power fails, the power supply of the driver also fails, and at this time, in order to ensure that the elevator driver 300 works normally, the power switching circuit 200 automatically switches to the electric energy output by the elevator rescue device 100 to supply power, so that the elevator driver 300 can work normally, and the electronic star-sealing function is effective.
It should be noted that when the power supply voltage of the driver is abnormal, for example, when the power supply voltage is abnormal and low due to instability of the commercial power, the normal operation of the elevator driver 300 cannot be satisfied, and the power supply switching circuit 200 will automatically switch to supply power by the elevator rescue device 100.
Due to the arrangement of the elevator rescue device power supply 100, the switching circuit 200 and the elevator driver 300, when the second input end is powered down, the power output by the elevator rescue device 100 is output to the elevator driver 300 through the power switching circuit 200 so as to supply power to the elevator driver 300. The utility model discloses an electric energy of automatic switch-over elevator rescue device 100 output when having a power failure makes elevator driver 300 can continue work for elevator driver 300 power supply, lasts to reach the effect of sealing the star to the reliability of elevator rescue has been improved.
Further, referring to fig. 2, the elevator rescue apparatus 100 includes:
an external power supply interface 11 for connecting an external power supply;
the rescue power supply output interface 12 is used for being connected to the elevator driver 300;
the input end of the intermediate circuit 13 is connected with the external power supply interface 11, and the output end of the intermediate circuit 13 is connected with the rescue power supply output interface 12; the intermediate circuit 13 is configured to convert a voltage of an external power supply into a rescue power supply voltage to supply power to the elevator drive 300.
The elevator rescue device 100 can be a rescue device alone or integrated in an elevator system. The rescue power supply voltage can be slightly smaller than the driver power supply voltage, and can be specifically set according to actual conditions.
Further, referring to fig. 3, the intermediate circuit 13 includes a charge and discharge circuit 131 and an energy storage device 132; the input end of the charge and discharge circuit 131 is connected with the external power interface 11, and the output end of the charge and discharge circuit 131 is connected with the rescue power output interface 12; the energy storage device 132 is connected with the charging and discharging circuit 131; the charging and discharging circuit 131 is configured to store electric energy input by an external power source into the energy storage device 132; the charging and discharging circuit 131 is further configured to convert the electric energy stored in the energy storage device 132 into the rescue power voltage, and output the rescue power voltage through the rescue power output interface 12.
In this embodiment, the external power source may be a commercial power, when there is no power failure, the charging and discharging circuit 131 stores the commercial power to the energy storage device 132, and the energy storage device 132 may be a battery or other device capable of storing electric energy; when a power failure occurs, the battery releases the stored electric energy through the charging and discharging circuit 131, so as to supply power to the elevator driver 300 and maintain the star-sealed state. It should be noted that the structure of the charge and discharge circuit 131 is not limited, and those skilled in the art may set the charge and discharge circuit by referring to the common techniques in the art, and only the corresponding functions described above need to be implemented.
Further, referring to fig. 4, the intermediate circuit 13 includes a voltage conversion circuit 133, an input end of the voltage conversion circuit 133 is connected to the external power interface 11, and an output end of the voltage conversion circuit 133 is connected to the rescue power output interface 12; the voltage converting circuit 133 is configured to convert a voltage of an external power supply into the rescue power supply voltage, and output the rescue power supply voltage through the rescue power supply output interface 12.
In this embodiment, the elevator rescue device 100 is electrically connected to the external power supply in a pluggable manner; the external power source may be a portable power source, the portable power source stores a certain amount of electric energy, and when power is cut off, the voltage conversion circuit 133 converts the voltage of the portable power source into a rescue power source voltage and outputs the rescue power source voltage. The input voltage to the voltage conversion circuit 133 can be a wide range of voltages, e.g., 5V-24V, with the output voltage being a constant value, e.g., 24V, in order to meet the requirements of the elevator drive 300. The structure of the voltage conversion circuit 133 is not limited, and only the corresponding functions described above need to be realized.
Further, referring to fig. 5, the elevator driver 300 includes a power module 31, a control circuit 32, and a driving circuit 33, an input terminal of the power module 31 is connected to an output terminal of the power switching circuit 200, a first output terminal of the power module 31 is connected to the control circuit 32, and a second output terminal of the power module 31 is connected to the driving circuit 33; the power supply module 31 is configured to convert the input driver power supply voltage or the rescue power supply voltage into a control voltage, and supply power to the driving circuit 33 and the control circuit; the input driver power supply voltage or the rescue power supply voltage is converted into a driving voltage to supply power to the driving circuit 33.
In this embodiment, the control circuit 32 and the driving circuit 33 may be configured according to the prior art, for example, the control circuit 32 is a DSP (Digital Signal Processing) control circuit, the driving circuit 33 is an IGBT (Insulated Gate Bipolar Transistor) driving circuit, and it can be understood that the DSP control circuit is connected to the IGBT driving circuit, and the DSP control circuit controls and drives the IGBT to operate. The power module 31 may be a switching power supply, in the prior art, the switching power supply receives a high voltage of a bus of a driver, and in this embodiment, a low voltage is received, so that a specific circuit in the switching power supply also needs to be adjusted accordingly to perform conversion according to a low voltage input.
Further, referring to fig. 6, the configuration of the power switching circuit 200 may be configured according to actual needs, for example, the power switching circuit 200 includes a first diode D1 and a second diode D2, an anode of the first diode D1 is a first input end of the power switching circuit 200, an anode of the second diode D2 is a second input end of the power switching circuit 200, a cathode of the first diode D1 is connected to a cathode of the second diode D2, and a common end where the cathode of the first diode D1 is connected to the cathode of the second diode D2 is an output end of the power switching circuit 200. Through setting up first diode D1 and second diode D2 can play the effect of keeping apart and switching two power supplies, when which mains voltage is high, corresponding diode switches on, and another diode cuts off to supply power by the higher power of voltage.
Further, the elevator rescue system comprises a power panel 400, wherein an input interface 41 and a driver power input end and an output interface (not shown) are arranged on the power panel 400; the power switching circuit 200 is disposed on the power board 400, wherein a first input end of the power switching circuit 200 is connected to the input interface 41, a second input end of the power switching circuit 200 is connected to the power input end of the driver, and an output end of the power switching circuit 200 is connected to the output interface. Therefore, the elevator rescue system is more convenient to assemble and maintain, and the safety of the system is improved.
It should be noted that the power panel 400 is further provided with a mains interface and a switching power supply (not shown), the mains interface is used for accessing mains power, the switching power supply is used for converting the mains power into a driver power supply, and an output end of the switching power supply is an input end of the driver power supply.
Further, the elevator rescue system comprises an interface board 500, a rescue power interface 51 and a power board interface 52 are arranged on the interface board 500, and the rescue power interface 51 is connected with the power board interface 52; the rescue power interface 51 is used for being connected with the rescue power output interface 12, and the power board interface 52 is used for being connected with a first input end of the power switching circuit 200. Specifically, the power board interface 52 may be directly connected to the first input interface 41 on the power board 400. The interface board 500 can be an interface board of an elevator system to save cost, reduce parts, and facilitate assembly.
Based on the hardware structure, the elevator rescue system provides a set of rescue scheme of the electronic star-sealing technology, comprises a rescue device and a driver framework matched with the rescue device, and can meet the requirement of an elevator control system using the electronic star-sealing technology on power failure brake release and vehicle sliding rescue.
The utility model also provides an elevator, which comprises an elevator rescue system; the structure of the elevator rescue system can refer to the embodiment and is not described in detail herein. As the elevator of the embodiment adopts the technical scheme of the elevator rescue system, the elevator has all the beneficial effects of the elevator rescue system.
The above is only the optional embodiment of the present invention, and not therefore the scope of the present invention is limited, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (10)
1. An elevator rescue system, comprising:
an elevator drive;
an elevator rescue device;
a first input end of the power supply switching circuit is connected with the elevator rescue device, a second input end of the power supply switching circuit is used for being connected with a driver power supply, and an output end of the power supply switching circuit is connected with the elevator driver; and the power supply switching circuit is used for outputting the electric energy output by the elevator rescue device to the elevator driver to supply power to the elevator driver when the second input end is powered down.
2. An elevator rescue system as defined in claim 1, wherein the elevator rescue apparatus includes:
the external power supply interface is used for connecting an external power supply;
the rescue power supply output interface is used for connecting an elevator driver;
the input end of the intermediate circuit is connected with the external power supply interface, and the output end of the intermediate circuit is connected with the rescue power supply output interface; and the intermediate circuit is used for converting the external power supply voltage into rescue power supply voltage and supplying power to the elevator driver.
3. An elevator rescue system as defined in claim 2, wherein the intermediate circuit includes a charge-discharge circuit and an energy storage device; the input end of the charging and discharging circuit is connected with the external power supply interface, and the output end of the charging and discharging circuit is connected with the rescue power supply output interface; the energy storage device is connected with the charging and discharging circuit; wherein,
the charging and discharging circuit is used for storing electric energy input by an external power supply into the energy storage device;
the charging and discharging circuit is also used for converting the electric energy stored by the energy storage device into the rescue power supply voltage and outputting the rescue power supply voltage through the rescue power supply output interface.
4. An elevator rescue system as defined in claim 2, wherein the intermediate circuit includes a voltage conversion circuit having an input connected to the external power source interface and an output connected to the rescue power source output interface;
the voltage conversion circuit is used for converting an external power supply voltage into the rescue power supply voltage.
5. An elevator rescue system as defined in claim 4, wherein the elevator rescue apparatus is pluggable electrically connected to the external power source.
6. An elevator rescue system as defined in claim 2, wherein the elevator drive includes a power module, a main control circuit, and a drive circuit, an input of the power module being connected to an output of the power switching circuit, a first output of the power module being connected to the main control circuit, a second output of the power module being connected to the drive circuit;
the power supply module is used for converting the input power supply voltage of the driver or the rescue power supply voltage into a control voltage and supplying power to the driving circuit and the control circuit; and converting the input driver power supply voltage or the rescue power supply voltage into a driving voltage to supply power to the driving circuit.
7. An elevator rescue system as defined in claim 6, wherein the power switching circuit includes a first diode and a second diode, an anode of the first diode being a first input terminal of the power switching circuit, an anode of the second diode being a second input terminal of the power switching circuit, a cathode of the first diode being connected to a cathode of the second diode, a common terminal at which the cathode of the first diode is connected to the cathode of the second diode being an output terminal of the power switching circuit.
8. An elevator rescue system as defined in claim 1, including a power panel having an input interface, a drive power input, and an output interface;
the power supply switching circuit is arranged on the power panel, wherein a first input end of the power supply switching circuit is connected with the input interface, a second input end of the power supply switching circuit is connected with a power supply input end of the driver, and an output end of the power supply switching circuit is connected with the output interface.
9. The elevator rescue system of claim 1, comprising an interface board having a rescue power interface and a power board interface, the rescue power interface being connected to the power board interface;
the rescue power supply interface is used for being connected with the rescue power supply output interface, and the power supply board interface is used for being connected with the first input end of the power supply switching circuit.
10. An elevator, characterized by comprising an elevator rescue system configured as an elevator rescue system as claimed in any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220567060.1U CN217720810U (en) | 2022-03-15 | 2022-03-15 | Elevator rescue system and elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220567060.1U CN217720810U (en) | 2022-03-15 | 2022-03-15 | Elevator rescue system and elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217720810U true CN217720810U (en) | 2022-11-01 |
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ID=83788866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220567060.1U Active CN217720810U (en) | 2022-03-15 | 2022-03-15 | Elevator rescue system and elevator |
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| Country | Link |
|---|---|
| CN (1) | CN217720810U (en) |
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2022
- 2022-03-15 CN CN202220567060.1U patent/CN217720810U/en active Active
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