CN214114604U - Energy feedback energy-saving monitoring device for elevator - Google Patents
Energy feedback energy-saving monitoring device for elevator Download PDFInfo
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- CN214114604U CN214114604U CN202022391065.7U CN202022391065U CN214114604U CN 214114604 U CN214114604 U CN 214114604U CN 202022391065 U CN202022391065 U CN 202022391065U CN 214114604 U CN214114604 U CN 214114604U
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Abstract
The utility model discloses an energy feedback energy-saving monitoring device for an elevator, which comprises an energy feedback device, a processing device, a display device and a bidirectional electric energy meter; one end of the energy feedback device is electrically connected with a direct current bus of the frequency converter, the other end of the energy feedback device is electrically connected with a power input end of the frequency converter, and the bidirectional electric energy meter is connected with the power input end of the frequency converter; the energy feedback device is provided with a data interface, the processing device is in communication connection with the energy feedback device through the data interface so as to acquire regenerated electric quantity data fed back to the power grid by the energy feedback device in real time, the processing device can generate a plurality of energy-saving parameters for quantifying energy-saving indexes by taking the regenerated electric quantity data as basic data, and the display device is used for displaying the energy-saving parameters; by adopting the elevator energy feedback energy-saving monitoring device, a user can monitor the energy-saving data of the elevator caused by the regenerated energy in real time through the display device, and the energy-saving effect of the elevator caused by the regenerated energy is conveniently and dynamically evaluated.
Description
Technical Field
The utility model relates to an energy-conserving control technical field of elevator especially relates to an energy-conserving monitoring device of elevator energy repayment.
Background
The elevator can not run without electric energy, because the traction machine can generate regenerative energy when the elevator is in an idle load or a light load ascending and in a full load or a heavy load descending, and the regenerative energy must be properly processed. The energy feedback technology is the best processing method for solving the problem of regenerated energy. The research of the elevator energy feedback technology aims to solve the problem of energy waste in the elevator operation process and reduce the energy consumption of the elevator, and the method has important social significance and economic benefit for national economy. Therefore, some elevators are currently provided with energy feedback systems to feed the regenerated electric energy generated in the operation process of the elevator back to the power grid so as to achieve the purpose of saving energy. However, since a monitoring system for regenerative electric energy is not generally provided, a user does not have an intuitive sense of the electric quantity saved by the energy feedback system, so that the positivity of configuring the energy feedback system on the elevator is not high, and the market popularization is difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem and providing an energy-conserving monitoring device of elevator energy repayment that can audio-visual demonstration install the electric quantity that the energy repayment system practiced thrift on the elevator.
In order to achieve the purpose, the utility model discloses an energy feedback energy-saving monitoring device for an elevator, which comprises an energy feedback device, a processing device, a display device and a bidirectional electric energy meter; one end of the energy feedback device is electrically connected with a direct current bus of a frequency converter corresponding to a tractor on the elevator, the other end of the energy feedback device is electrically connected with a power input end of the frequency converter, the bidirectional electric energy meter is connected with the power input end of the frequency converter, and the energy feedback device is used for converting direct current generated by regenerated energy in the frequency converter into three-phase alternating current and feeding the three-phase alternating current back to a power grid through the bidirectional electric energy meter; the energy feedback device is provided with a data interface, the processing device is in communication connection with the energy feedback device through the data interface so as to collect regenerated electric quantity data fed back to a power grid by the energy feedback device in real time, the processing device can generate a plurality of energy-saving parameters for quantifying energy-saving indexes by taking the regenerated electric quantity data as basic data, and the display device is used for displaying the energy-saving parameters.
Compared with the prior art, the utility model discloses energy-conserving monitoring device of elevator energy repayment, including processing apparatus and display device with energy repayment device communication connection, processing apparatus gathers the regeneration electric quantity data of energy repayment device to the electric wire netting repayment in real time to use this regeneration electric quantity data to generate a plurality of energy-conserving parameters as the basis, and show this energy-conserving parameter on display device, consequently, user's accessible display device real time monitoring reaches this elevator because of the energy-conserving data that the regeneration energy produced, the energy-conserving effect that the convenience produced because of the regeneration energy carries out dynamic assessment to the elevator; in addition, because the power input end of the elevator frequency converter is also provided with the bidirectional electric energy meter, when the regenerative electric energy fed back by the energy feedback device enters the power grid through the bidirectional electric energy meter, the bidirectional electric energy meter is reversed, the effect of saving electricity for users is achieved, the effect of clearing the electricity for the elevator is achieved, and the elevator frequency converter is convenient to use.
Preferably, the data interface is an RS485 standard interface.
Preferably, the energy feedback device further comprises an interface conversion device, the interface conversion device is used for converting an RS485 standard interface type into a USB standard interface type, one end of the interface conversion device is connected with the data interface on the energy feedback device through a twisted pair shielding wire, and the other end of the interface conversion device is connected with the USB interface on the processing device through a USB transmission wire.
Preferably, the energy saving parameters include one or more of a minute power, an hour power, a day power, a month power, a year power, and a year power.
Preferably, the display device displays the energy-saving parameters in real time by using a line graph.
Preferably, the processing means is integrated with the display means.
Preferably, the energy-saving system further comprises a cloud server in communication connection with the processing device, and the cloud server is used for remotely storing and viewing the historical energy-saving parameters and the current energy-saving parameters generated by the processing device.
Drawings
Fig. 1 is the embodiment of the utility model provides an energy-conserving monitoring device of elevator energy repayment schematic structure diagram.
Fig. 2 is the elevator suspension in the embodiment of the present invention.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.
As shown in fig. 1, the present embodiment discloses an energy-feedback energy-saving monitoring device for an elevator, which includes an energy feedback device 1, a processing device 20, a display device 21, and a bidirectional electric energy meter 3. One end A of the energy feedback device 1 is electrically connected with a direct current bus of a frequency converter 41 corresponding to a tractor 40 on the elevator, the other end B of the energy feedback device 1 is electrically connected with a power input end of the frequency converter 41, the bidirectional electric energy meter 3 is connected with the power input end of the frequency converter 41, and the energy feedback device 1 is used for converting direct current generated by regenerated energy in the frequency converter 41 into three-phase alternating current and feeding the three-phase alternating current back to a power grid through the bidirectional electric energy meter 3 based on rectification and feedback technologies. In addition, the energy feedback device 1 is provided with a data interface 10, the processing device 20 is in communication connection with the energy feedback device 1 through the data interface 10 to collect regenerated electric quantity data fed back to the power grid by the energy feedback device 1 in real time, the processing device 20 can generate a plurality of energy-saving parameters for quantifying energy-saving indexes by taking the regenerated electric quantity data as basic data, and the display device 21 is used for displaying the energy-saving parameters. The specific structure and operation principle of the energy feedback device 1 and the bidirectional electric energy meter 3 in this embodiment are common technical knowledge in the art, and are not described herein again.
As shown in fig. 2, when the elevator car 44 is lightly loaded (or unloaded) and travels upward, the counterweight 43 travels downward. Because the weight of the counterweight 43 is larger than that of the car 44, the counterweight 43 drags the car 44 through the traction machine 40 and the guide wheels 42 to move, so that the traction machine 40 is in a power generation state, the generated direct current electric energy is fed back to the frequency converter 41 and then transmitted to the energy feedback device 1 through the direct current bus, and the energy feedback device 1 converts the direct current into three-phase alternating current to be fed back to a power grid.
When the elevator car 44 is descending heavily loaded, the counterweight 43 is ascending. The weight of the counterweight 43 is less than that of the car 44, the car 44 drags the counterweight 43 to move through the traction machine 40 and the guide wheels 42, so that the traction machine 40 is in a power generation state, the generated electric energy is fed back to the frequency converter 41 and then transmitted to the energy feedback device 1 through the direct current bus, and the energy feedback device 1 converts the direct current into three-phase alternating current to be fed back to the power grid.
The processing device 20 collects the regenerated electric quantity data fed back to the power grid by the energy feedback device 1 through the data interface 10 of the energy feedback device 1 in real time, and then generates a plurality of energy-saving parameters based on the regenerated electric quantity data and displays the parameters through the display device 21. Therefore, the user can monitor the energy-saving data of the elevator caused by the regenerated energy in real time through the display device 21, and the energy-saving effect of the elevator caused by the regenerated energy can be conveniently and dynamically evaluated. In addition, because the bidirectional electric energy meter 3 is arranged at the power input end of the elevator frequency converter 41, when the regenerative electric energy fed back by the energy feedback device 1 enters the power grid through the bidirectional electric energy meter 3, the bidirectional electric energy meter 3 is reversed, so that the effect of saving electricity is achieved for users, the effect of uniformly settling the electricity used by the elevator is achieved, and the elevator frequency converter is convenient to use.
Referring to fig. 1 again, specifically, the data interface 10 is an RS485 standard interface to facilitate the layout of a communication network, through the RS485 standard interface, the processing device 20 and the energy feedback devices 1 adopt a master-slave communication mode, the processing device 20 is a master, the energy feedback devices 1 are slaves, and one processing device 20 can be in communication connection with a plurality of energy feedback devices 1, thereby realizing the monitoring of a plurality of elevators by one processing device 20 and display control. Preferably, in practical applications, a computer (desktop computer, notebook computer, or all-in-one machine, etc.) is mostly used as the processing device 20, and most of the computers do not have RS485 standard interfaces integrated thereon, so the processing device 20 and the energy feedback device 1 in this embodiment can be communicatively connected through an interface conversion device 5, the interface conversion device 5 is used to convert the RS485 standard interface type into a USB standard interface type, one end of the interface conversion device 5 is connected to the data interface 10 on the energy feedback device 1 through a twisted pair shielding wire 60, and the other end of the interface conversion device 5 is connected to the USB interface on the processing device 20 through a USB transmission wire 61, which is convenient to use. In addition, the processing device 20 in the present embodiment is preferably an all-in-one machine in which the processing device 20 is integrated with a real device.
More specifically, the energy saving parameters include one or more of a minute power amount, an hour power amount, a day power amount, a month power amount, a year power amount, and a year power amount, so that the user can conveniently review and evaluate the energy saving effect.
In order to facilitate the user to look up the energy saving parameters more intuitively, the display device 21 presents the energy saving parameters in real time in a line graph. Preferably, the line graph comprises a histogram.
The utility model discloses in another preferred embodiment of elevator energy repayment energy-conserving monitoring device, still include with processing apparatus 20 communication connection's high in the clouds server 7, high in the clouds server 7 is used for remote storage and looks over historical energy-conserving parameter and the current energy-conserving parameter that processing apparatus 20 generated. In this embodiment, the processing device 20 is connected to the cloud server 7 through a wireless network.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (7)
1. An energy-saving monitoring device for elevator energy feedback is characterized by comprising an energy feedback device, a processing device, a display device and a bidirectional electric energy meter; one end of the energy feedback device is electrically connected with a direct current bus of a frequency converter corresponding to a tractor on the elevator, the other end of the energy feedback device is electrically connected with a power input end of the frequency converter, the bidirectional electric energy meter is connected with the power input end of the frequency converter, and the energy feedback device is used for converting direct current generated by regenerated energy in the frequency converter into three-phase alternating current and feeding the three-phase alternating current back to a power grid through the bidirectional electric energy meter; the energy feedback device is provided with a data interface, the processing device is in communication connection with the energy feedback device through the data interface so as to collect regenerated electric quantity data fed back to a power grid by the energy feedback device in real time, the processing device can generate a plurality of energy-saving parameters for quantifying energy-saving indexes by taking the regenerated electric quantity data as basic data, and the display device is used for displaying the energy-saving parameters.
2. The elevator energy feedback energy-saving monitoring device according to claim 1, wherein the data interface is an RS485 standard interface.
3. The energy-saving monitoring device for elevator energy feedback as claimed in claim 2, further comprising an interface conversion device, wherein the interface conversion device is used to convert RS485 standard interface type into USB standard interface type, one end of the interface conversion device is connected to the data interface of the energy feedback device through twisted pair shielding wire, and the other end of the interface conversion device is connected to the USB interface of the processing device through USB transmission wire.
4. The elevator energy feedback energy-saving monitoring device according to claim 1, wherein the energy-saving parameters include one or more of a minute power, an hour power, a day power, a month power, a year.
5. The elevator energy feedback energy-saving monitoring device according to claim 1, wherein the display device displays the energy-saving parameter in real time as a line graph.
6. The elevator energy feedback energy saving monitoring device according to claim 1, wherein the processing device is integrated with the display device.
7. The elevator energy feedback energy-saving monitoring device according to claim 1, further comprising a cloud server in communication connection with the processing device, wherein the cloud server is used for remotely storing and viewing the historical energy-saving parameters and the current energy-saving parameters generated by the processing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022391065.7U CN214114604U (en) | 2020-10-23 | 2020-10-23 | Energy feedback energy-saving monitoring device for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022391065.7U CN214114604U (en) | 2020-10-23 | 2020-10-23 | Energy feedback energy-saving monitoring device for elevator |
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| Publication Number | Publication Date |
|---|---|
| CN214114604U true CN214114604U (en) | 2021-09-03 |
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| CN202022391065.7U Active CN214114604U (en) | 2020-10-23 | 2020-10-23 | Energy feedback energy-saving monitoring device for elevator |
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| CN (1) | CN214114604U (en) |
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