TWI874922B - Power backup system, electrical infrastructure and power backup method - Google Patents

Abstract

A power backup system includes an uninterruptable power supply device and a battery connection seat. The uninterruptable power supply device is configured to receive a power from a power grid and provides the power to an electrical basic infrastructure. The battery connection seat is electrically connected to the uninterruptable power supply device and configured to receive at least one swappable battery and performs an authentication process with the swappable battery. After passing the authentication process, the battery connection seat allows the swappable battery to charge or discharge. When the power grid is abnormal, the swappable battery is discharged, the battery connection seat receives a power from the swappable battery, and the uninterruptable power supply device is switched to receive the power from the battery connection seat and provides the power to the electrical basic infrastructure. Such that, during the power grid is abnormal, the system can be automatically switched to provide the power from the swappable battery, and the system can continuously provide power to the electrical basic infrastructure by constantly swapping the batteries, thereby maintaining the operation of the electrical basic infrastructure.

Description

Power backup system, electronic infrastructure and power backup method

The present invention relates to a power backup system, electronic infrastructure and power backup method, in particular to a power backup system, electronic infrastructure and power backup method that continuously supply power during power grid abnormalities.

Traffic lights, pedestrian and bicycle lights, lane control lights, street lights, surveillance cameras, smart parking posts and other electronic infrastructure are all powered by the power grid. If the power grid is partially or completely damaged by natural disasters or man-made disasters, some or all of the electronic infrastructure will lose power and shut down, causing traffic chaos or darkness in some areas or even the entire town.

Power backup systems for electronic infrastructure have been developed in the market. During power grid failures, power backup systems can continue to supply power to electronic infrastructure.

However, the conventional power backup system uses a built-in battery. Since the backup time is determined by the battery capacity, the power of the built-in battery is limited and cannot be replaced. Before the power grid is repaired, once the power of the built-in battery is exhausted, the electronic infrastructure will face the risk of losing power and shutting down.

The main purpose of the present invention is to provide a power backup system, electronic infrastructure and power backup method, which can continuously provide power to the electronic infrastructure during power grid abnormalities.

Another purpose of the present invention is to provide a power backup system, electronic infrastructure and power backup method, which can extend the power supply time by replacing batteries.

In order to achieve the above-mentioned purpose, the present invention provides a power backup system for electronic infrastructure, including an uninterruptible power device and a battery connector. The uninterruptible power device is configured to receive power from a power grid and provide power to an electronic infrastructure. The battery connector is electrically connected to the uninterruptible power device, configured to accommodate at least one exchangeable battery, and authenticate with the exchangeable battery. After authentication, the battery connector allows the exchangeable battery to be charged or discharged. When the power grid is abnormal, the exchangeable battery is discharged, the battery connector receives power from the exchangeable battery, and the uninterruptible power device switches to receive power from the battery connector and provide power to the electronic infrastructure.

In order to achieve the above-mentioned purpose, the present invention provides an electronic infrastructure with power backup function, including a body, a control device, a power backup system and at least one exchangeable battery. The control device is arranged outside the body, electrically connected to the body, and controls the operation of the body. The power backup system is arranged outside the control device or outside the body, wherein the uninterruptible power supply device is electrically connected to the control device and provides power to the control device. The exchangeable battery is arranged in the battery connector. Wherein, when the power grid is abnormal, the uninterruptible power supply device switches to receive power from the battery connector and provides power to the control device.

In order to achieve the above-mentioned purpose, the present invention provides a power backup method for electronic infrastructure, comprising the following steps: an uninterruptible power device receives power from a power grid and provides power to an electronic infrastructure; when at least one exchangeable battery is inserted into a battery connector, the battery connector and the exchangeable battery are authenticated; after passing the authentication, the battery connector allows the exchangeable battery to be charged or discharged; and when the power grid is abnormal, the exchangeable battery is discharged, the battery connector receives power from the exchangeable battery, and the uninterruptible power device switches to receive power from the battery connector and provides power to the electronic infrastructure.

The effect of the present invention is that when an abnormality occurs in the power grid, it can automatically switch to power supply by interchangeable batteries to maintain the operation of electronic infrastructure.

Another effect of the present invention is that during power grid abnormalities, by continuously replacing interchangeable batteries, the uninterruptible power supply device can continue to receive power from the battery connector and provide power to the electronic infrastructure to maintain the operation of the electronic infrastructure until the power grid is repaired.

100: Power backup system

10: Uninterruptible power supply device

11: Power module

12: Communication module

20: Battery connector

21,21A: Receiving groove

22,22A: Electrical connection part

23,23A: Communication module

30: Internet of Things Gateway

31: Antenna

40: AC-DC converter

50,50A: External control unit

60,60A: The first DC-DC converter

70,70A: Second DC-DC converter

80: Solar panels

90: Protective box

91:Maintenance door

92: Slope

200: Power grid

300:Electronic infrastructure

301:Entity

302: Control device

400,400A,410,410A: Interchangeable batteries

401: Electrical connection part

402: Communication module

500,510,520,530:Server

S100~S600: Steps

S110, S120: Steps

S410~S480: Steps

S610, S620: Steps

Figure 1 is a schematic diagram of the power backup system of the present invention.

Figures 2A to 2C are schematic diagrams of the battery replacement process of the power backup system of the present invention.

Figure 3 is a schematic diagram of another verification mechanism of the power backup system of the present invention.

Figure 4 is a three-dimensional diagram of the electronic infrastructure of the present invention.

Figure 5A is a schematic diagram of the internal configuration of the protection box of the power backup system of the present invention.

FIG5B is a schematic diagram showing the replaceable battery being taken out of the protective box of the power backup system of the present invention.

Figure 6 is a flow chart of the power backup method of the present invention.

FIG7 is a flow chart of step S100 of the power backup method of the present invention.

FIG8 is a flow chart of step S200 of the power backup method of the present invention.

FIG9 is a flow chart of step S300 of the power backup method of the present invention.

Figures 10A to 10D are flow charts of step S400 of the power backup method of the present invention.

FIG11 is a flow chart of step S600 of the power backup method of the present invention.

The following is a more detailed description of the implementation of the present invention with the help of diagrams and component symbols, so that those who are familiar with the technology can implement it accordingly after reading this manual.

FIG1 is a schematic diagram of a power backup system 100 of the present invention. As shown in FIG1 , the present invention provides a power backup system 100 for power infrastructure, including an uninterruptible power device 10 and a battery connector 20. The uninterruptible power device 10 is configured to receive power from a power grid 200 and provide power to an electronic infrastructure 300. The battery connector 20 is electrically connected to the uninterruptible power device 10, and is configured to accommodate one or more swappable batteries (in the subsequent description, two swappable batteries 400, 410 (swappable battery) will be used as an example for description, but this should not limit the number of swappable batteries applicable to the present invention), and to authenticate with the swappable batteries 400, 410. After verification, the battery connector 20 allows the interchangeable batteries 400, 410 to be charged or discharged. When the power grid 200 is abnormal, the interchangeable batteries 400, 410 are discharged, the battery connector 20 receives the power of the interchangeable batteries 400, 410, and the uninterruptible power device 10 switches to receive power from the battery connector 20 and provides power to the electronic infrastructure 300.

Furthermore, the interchangeable batteries 400, 410 refer to portable energy storage devices that are usually stored in the battery slots of the battery exchange station, have the ability to charge and discharge, and can be exchanged for high-capacity interchangeable batteries 400, 410 at the battery exchange station. Since battery exchange stations are now widely set up in various regions, it is very convenient to obtain the interchangeable batteries 400, 410. In addition to being used in the power backup system 100, the interchangeable batteries 400, 410 can also be used to power other loads equipped with battery connectors 20, such as electric vehicles, smart parking poles, power auxiliary services, etc. Therefore, the interchangeable batteries 400, 410 have the advantages of easy acquisition, easy replacement, charge and discharge, and a wide range of uses. During normal power grid conditions, the battery connector 20 receives power from the uninterruptible power supply 10 to charge the interchangeable batteries 400 and 410 to ensure that the state of charge (SOC) of the interchangeable batteries 400 and 410 remains fully charged.

As shown in FIG. 2A to FIG. 2C , during an abnormal period of the power grid 200, before the power of the interchangeable batteries 400, 410 in the battery connection socket 20 is exhausted, the interchangeable batteries 400A, 410A (the interchangeable batteries 400A, 410A) with power higher than the power threshold (e.g., 20%, 10% or 5%) are obtained from the battery exchange station. The power of 410A usually meets or exceeds a full threshold value higher than the power threshold value, such as 70%, 80% or 95%), and then the replaceable batteries 400 and 410 with power lower than the power threshold value are taken out from the battery connector 20, and finally the replaceable batteries 400A and 410A with power higher than the power threshold value are inserted into the battery connector 20, and the battery replacement procedure is completed.

Thus, when an abnormality occurs in the power grid 200, the power backup system 100 can automatically switch to the interchangeable batteries 400 and 410 for power supply to maintain the operation of the electronic infrastructure 300.

Furthermore, during an abnormality of the power grid 200, the power backup system 100 can continuously replace the high-capacity-threshold interchangeable batteries 400A and 410A, so that the uninterruptible power device 10 can continue to receive power from the battery connector 20 and provide power to the electronic infrastructure 300 to maintain the operation of the electronic infrastructure 300 until the power grid 200 is repaired.

Furthermore, the interchangeable batteries 400, 410 may fail to pass verification because the power level is lower than the power threshold or other factors. The interchangeable batteries 400, 410 that fail to pass verification may cause the UPS 10 to be unable to receive power from the battery connector 20, resulting in the UPS 10 having no power to provide to the electronic infrastructure 300, and therefore must be excluded from use.

In addition, the battery connector 20 can accommodate two of the exchangeable batteries 400, 410 to ensure that during the replacement of the exchangeable batteries 400, 410, at least one of the exchangeable batteries 400, 410 can continue to provide power to the battery connector 20, so that the UPS 10 can continue to receive power from the battery connector 20 and provide power to the electronic infrastructure 300. In some embodiments, the battery connector 20 can accommodate more than two of the exchangeable batteries 400, 410. However, the power backup system 100 is limited in size and has no function during the normal operation of the power grid 200. Therefore, the number of the interchangeable batteries 400 and 410 that can be accommodated by the battery connector 20 should not be too large. Two is preferred to avoid too many interchangeable batteries 400 and 410 being idle and increasing operating costs.

It is worth mentioning that the current battery exchange mechanism usually adopts the return-before-receive mechanism, that is, the exchangeable batteries 400, 410 must be returned to the battery exchange station first, and the battery exchange station will use the exchangeable batteries 400, 410 to identify the identity and lease of the vehicle (such as an electric motorcycle or power backup system 100), and then spit out the exchangeable batteries 400A, 410A with higher power. In this case, the maintenance personnel must have special permissions to obtain the exchangeable batteries 400A, 410A that can be used in the power backup system 100 in advance (that is, the exchangeable batteries 400A, 410A can be verified and charged or discharged after being inserted into the power backup system 100).

In this regard, the maintenance personnel can first remove one of the exchangeable batteries 400 and 410 (for example, the exchangeable battery 400) from the battery connector 20 (powered by the exchangeable battery 410 at this time), and return it to the battery exchange station to obtain the exchangeable battery 400A with higher power. After inserting the exchangeable battery 400A into the power backup system 100 (powered by the exchangeable battery 400A), the exchangeable battery 410 is replaced with the exchangeable battery 410A with higher power in the same way. In this way, anyone can perform a battery replacement operation on the power backup system 100 without the need for special permissions.

In a preferred embodiment, the UPS 10 includes a power module 11 and a communication module 12. The power module 11 is configured to receive power from the power grid 200 and provide power to the electronic infrastructure 300. The power backup system 100 includes an IoT gateway 30. The IoT gateway 30, as an intermediary device, can connect the power backup system 100 to the Internet and can transmit data with the servers 500, 510, 520, and 530. The IoT gateway 30 can be a cellular network IoT gateway, such as a 4G/5G IoT gateway, and can be connected to the Internet through a designated telecommunications service provider after inserting and configuring a SIM or configuring an eSIM. The IoT gateway 30 can also be a satellite network IoT gateway, which can communicate with a low-orbit satellite constellation through an antenna 31 (such as a satellite antenna) and then connect to the Internet. The communication module 12 of the uninterruptible power device 10 can be connected to an IoT gateway 30 through a communication interface and a transmission line (for example, RS-232 or other serial data communication standards, USB standards, Ethernet standards, CAN Bus standards, etc.), but the present invention is not limited to this. The battery connector 20 includes two receiving slots 21, 21A, two electrical connection portions 22, 22A and two communication modules 23, 23A. The receiving slots 21, 21A of the battery connector 20 are respectively configured to completely or partially receive the exchangeable batteries 400, 410. The electrical connection portions 22, 22A of the battery connector 20 are respectively disposed inside the receiving slots 21, 21A of the battery connector 20. The battery connector 20 is electrically connected to the power module 11 and is configured with an electrical connection portion 401 that is detachably electrically connected to the exchangeable batteries 400, 410 inserted into the receiving slots 21, 21A to transmit power. The communication modules 23, 23A of the battery connector 20 are respectively arranged on the inner side of the receiving slots 21, 21A of the battery connector 20, and can be connected to a communication module 402 of the exchangeable batteries 400, 410 inserted into the receiving slots 21, 21A by near-field communication (NFC) to authenticate the exchangeable batteries 400, 410. After authentication, the battery connector 20 allows the exchangeable batteries 400, 410 to be charged or discharged. The communication module 12 of the UPS 10 can be connected to the communication modules 23 and 23A of the battery connector 20 via a communication interface and a transmission line (for example, RS-232 or other serial data communication standards, USB standards, Ethernet standards, CAN Bus standards, etc.), but the present invention is not limited thereto. The power backup system 100 further includes an AC-DC converter 40, which electrically connects the power module 11 of the UPS 10, the battery connector 20, and the IoT gateway 30.

In a preferred embodiment, the IoT gateway 30 of the present invention further includes an antenna 31, which can be installed above the power backup system 100 or in other unshaded or partially shaded locations, and electrically connected to a controller of the IoT gateway 30. The antenna 31 can be used to transmit and receive electromagnetic waves, that is, convert electronic signals into electromagnetic waves (carriers), or convert electromagnetic waves (carriers) into electronic signals.

When the IoT gateway 30 has the function of connecting to a cellular network, the antenna 31 can perform wireless transmission with a base station. When the IoT gateway 30 has the function of connecting to a satellite network, the antenna 31 can perform wireless transmission with a low-orbit satellite.

In addition, when the IoT gateway 30 has a satellite positioning function, the satellite positioning system of the IoT gateway 30 can obtain satellite positioning data of multiple satellites through the antenna 31, calculate the correct position of the IoT gateway 30, report the abnormal area of the power grid 200, and then dispatch maintenance engineers to repair the power grid 200, shorten the investigation time, and repair the power grid 200 as soon as possible. Alternatively, the IoT gateway 30 can report the location of the power backup system 100 that needs to replace the battery, so that the maintenance personnel of the interchangeable battery can quickly go to the correct location of the power backup system 100 to replace the battery, shortening the waiting time for replacing the battery to prevent the interchangeable batteries 400, 410 from being damaged due to exhaustion of power.

When the power grid 200 is normal, the power module 11 of the uninterruptible power device 10 receives the AC power of the power grid 200 and provides the AC power to the AC-DC converter 40. The AC-DC converter 40 converts the AC power into DC power and provides the DC power to the electrical connections 22, 22A of the battery connector 20 and the IoT gateway 30, thereby starting the battery connector 20 and the IoT gateway 30. After passing the verification, the electrical connections 22, 22A of the battery connector 20 use the DC power to charge the exchangeable batteries 400, 410.

When the power grid 200 is abnormal, the power module 11 of the UPS 10 switches to receive power from the battery connector 20 and provides it to the electronic infrastructure 300. At the same time, the communication module 12 of the UPS 10 sends a power grid abnormality message to a server 500 (second server) through the IoT gateway 30. The second server can be a server of the electronic infrastructure control unit. After the second server receives the power grid abnormality message, the electronic infrastructure control unit learns that the power grid is abnormal and dispatches a maintenance engineer to repair the power grid 200.

In addition, when the power grid is abnormal, the UPS 10 can calculate an estimated available time (i.e., the estimated time that the electronic infrastructure can maintain operation without other power sources) based on the current power and power consumption of the interchangeable batteries 400 and 410, and send a message of the estimated available time to a server 510 (first server) through the communication module 12 and the IoT gateway 30.

The timing of sending the aforementioned estimated available time message can be when a power grid anomaly is detected, when the power grid anomaly lasts for a specified time (e.g., ten minutes, half an hour, or one hour), or when the estimated available time is less than a specified time (e.g., three hours or two hours), without limitation.

When the power grid 200 is abnormal and the power of the interchangeable batteries 400, 410 is lower than a power threshold or the estimated available time is less than an available time threshold, the communication modules 23, 23A of the battery connector 20 respectively receive a low power signal sent by the interchangeable batteries 400, 410, and the communication module 12 of the uninterruptible power device 10 receives the low power signal and sends a low power message to a server 520 (third server) through the IoT gateway 30. The third server may be a server of the management unit of the interchangeable battery. After receiving the low-battery message, the third server must inform the management unit of the interchangeable battery that the power of the interchangeable batteries 400 and 410 is lower than the power threshold, and immediately dispatch maintenance personnel to carry two interchangeable batteries 400A and 410A with power higher than the power threshold to the location of the power backup system 100 to perform the battery replacement procedure.

In some embodiments, the power backup system 100 can perform wireless firmware updates (Firmware Over-The-Air, FOTA) through the IoT gateway 30 to obtain new functions or solve operational problems. Specifically, the IoT gateway 30 can be connected to one or more servers 530 (fourth server), obtain an update from the fourth server, and install the update. Furthermore, the aforementioned update may include but is not limited to firmware updates of the uninterruptible power device 10, the battery dock 20, or the interchangeable batteries 400, 410.

The aforementioned first server, second server, third server and fourth server may be the same, partially the same, partially different or different servers. For example, the first server, third server and fourth server are servers of a management unit of exchangeable batteries, and the second server is a server of an electronic infrastructure control unit. In another example, the first server and third server are servers of a management unit of exchangeable batteries, the second server is a server of an electronic infrastructure control unit, and the fourth server is a server of a management unit of a power backup system.

In some embodiments, server 500 and server 510 may be the same server, or may be different servers managed by the same management unit (such as an electronic infrastructure control unit). Thus, the management unit may dispatch tasks of different contents according to the type of message received, such as repairing the power grid 200 or replacing a replaceable battery.

The following will further describe the battery replacement procedure of the power backup system 100.

2A to 2C are schematic diagrams of the battery replacement process of the power backup system 100 of the present invention. As shown in FIG2A, and with reference to FIG1, when the power grid 200 is abnormal and the exchangeable battery 400 is removed from the receiving slot 21 of the battery connector 20, the exchangeable battery 410 continues to discharge, so that the power module 11 of the uninterruptible power device 10 continues to receive power from the electrical connection portion 22A of the battery connector 20 and provides power to the electronic infrastructure 300 to maintain the operation of the electronic infrastructure 300. As shown in FIG2B and referring to FIG1 , when an exchangeable battery 400A with a power higher than the power threshold is inserted into the receiving slot 21 of the battery connector 20, verification is performed. The exchangeable battery 400A that has passed the verification and has a power higher than the power threshold is discharged, so that the power module 11 of the UPS 10 continues to receive power from the electrical connection portion 22 of the battery connector 20 and provides power to the electronic infrastructure 300 to maintain the operation of the electronic infrastructure 300. At the same time, the exchangeable battery 410 with a power lower than the power threshold stops discharging and is removed from the receiving slot 21A of the battery connector 20 to prevent the exchangeable battery 410 from being continuously discharged until the power is exhausted and damaged. As shown in FIG2C and referring to FIG1 , when a replaceable battery 410A with a power higher than the power threshold is inserted into the receiving slot 21A of the battery connector 20, verification is performed, and the replaceable battery 410A with a power higher than the power threshold after verification is discharged, so that the power module 11 of the UPS 10 continues to receive power from the electrical connection portion 22A of the battery connector 20 and provides power to the electronic infrastructure 300 to maintain the operation of the electronic infrastructure 300.

During an abnormality of the power grid 200, the UPS 10 cannot receive power from the power grid 200 and activates the battery connector 20. Therefore, the power backup system 100 provides another set of verification mechanisms to solve the above problem. FIG3 is a schematic diagram of another set of verification mechanisms of the power backup system 100 of the present invention. As shown in FIG3, specifically, the power backup system 100 further includes two external control units 50, 50A, and the external control units 50, 50A are electrically connected to the electrical connection parts 22, 22A of the battery connector 20, respectively. When the exchangeable batteries 400A, 410A with a power higher than the power threshold are inserted into the receiving slots 21, 21A of the battery connector 20, the electrical connection parts 22, 22A of the battery connector 20 and the external control units 50, 50A are configured to receive the power of the exchangeable batteries 400A, 410A with a power higher than the power threshold, so as to activate the battery connector 20 and the external control units 50, 50A, and at the same time, the communication modules 23, 23A of the battery connector 20 are connected to the external control units 50, 50A to verify the exchangeable batteries 400A, 410A with a power higher than the power threshold.

As shown in FIG. 3 , in a preferred embodiment, the power backup system 100 further includes two first DC-DC converters 60, 60A and two second DC-DC converters 70, 70A. The first DC-DC converters 60, 60A are electrically connected to the electrical connection portions 22, 22A of the battery connector 20 and the external control units 50, 50A, respectively, and the second DC-DC converters 70, 70A are electrically connected to the electrical connection portions 22, 22A of the battery connector 20. When the exchangeable batteries 400A and 410A with a power higher than the power threshold are inserted into the receiving slots 21 and 21A of the battery connector 20, the first DC-DC converters 60 and 60A respectively convert the DC power (e.g., DC power with a voltage of 48V) provided by the exchangeable batteries 400A and 410A with a power higher than the power threshold into DC power with a different voltage (e.g., DC power with a voltage of NV), and provide the DC power with different voltages to the external control units. The external control units 50 and 50A are activated by the second DC-DC converters 70 and 70A, and the DC power (e.g., DC power with a voltage of 48V) provided by the exchangeable batteries 400A and 410A with a power higher than the power threshold is converted into DC power with a different voltage (e.g., DC power with a voltage of 12V), and the DC power with different voltages is provided to the electrical connection parts 22 and 22A of the battery connector 20, so as to activate the battery connector 20.

It is worth mentioning that the number of the external control units 50, 50A, the first DC-DC converters 60, 60A and the second DC-DC converters 70, 70A depends on the number of the exchangeable batteries 400, 410 that the battery connector 20 can accommodate. For example, if the battery connector 20 can only accommodate one set of exchangeable batteries 400, only one set of external control units 50, one set of first DC-DC converters 60 and one set of second DC-DC converters 70 can be configured.

As shown in FIG1 , in a preferred embodiment, the power backup system 100 further includes a solar panel 80, and the solar panel 80 is electrically connected to the power module 11 of the UPS 10. The communication module 12 of the UPS 10 receives a low-battery signal, so that the power module 11 of the UPS 10 switches to receive power from the solar panel 80 and provides power to the electronic infrastructure 300 or charges the exchangeable batteries 400, 410 through the battery connector 20. In the event that the maintenance personnel of the interchangeable batteries do not have time to replace the batteries before the power of the interchangeable batteries 400 and 410 is exhausted, the solar panel 80 can serve as an auxiliary power source, so that the uninterruptible power device 10 can continue to receive power from the solar panel 80 and provide power to the electronic infrastructure 300 to maintain the operation of the electronic infrastructure 300 until the battery replacement procedure is completed.

It is worth mentioning that, since the solar panel 80 can be used as an auxiliary power source, the battery connector can be configured to accommodate only one replaceable battery without affecting the function of the power backup system.

In addition, when the power grid is supplying electricity normally and there is sufficient sunshine, the uninterruptible power device 10 can also switch in whole or in part to receive power from the solar panel 80 and provide the power to the electronic infrastructure 300 or charge the exchangeable batteries 400 and 410 through the battery connector 20 to reduce the load of the power grid 200. For example, the uninterruptible power device 10 can use the power grid 200 with relatively stable power supply to supply power to the electronic infrastructure 300, and use the power of the solar panel 80 with relatively unstable power supply to charge the exchangeable batteries 400 and 410.

FIG. 4 is a three-dimensional diagram of the electronic infrastructure 300 of the present invention, FIG. 5A is a schematic diagram of the internal configuration of the protection box 90 of the power backup system 100 of the present invention, and FIG. 5B is a schematic diagram of the exchangeable battery 400 being taken out of the protection box 90 of the power backup system of the present invention. As shown in FIG. 4 and FIG. 5A and FIG. 5B, and with reference to FIG. 1, the present invention provides an electronic infrastructure 300 with a power backup function, including a body 301, a control device 302, a power backup system 100, and two exchangeable batteries 400, 410 (the number of batteries can be less or more). The control device 302 is arranged outside the body 301, electrically connected to the body 301, and controls the operation of the body 301. The power backup system 100 is disposed outside the control device 302 or outside the body 301. The power module 11 of the uninterruptible power device 10 is electrically connected to the control device 302 and provides power to the control device 302. The interchangeable batteries 400 and 410 are respectively disposed in the receiving slots 21 and 21A of the battery connector 20.

In addition, as shown in FIG. 5A and FIG. 5B , the power backup system 100 may have a protective box 90, and the protective box 90 is provided with a maintenance door 91. The battery connector 20 may be provided away from the maintenance door 91, and its receiving slots 21, 21A are facing the maintenance door 91. Thus, the maintenance personnel can conveniently insert or remove the exchangeable batteries 400, 410 from the maintenance door 91. Furthermore, the protective box 90 has a slope 92 (the height of the slope 92 gradually decreases from the maintenance door 91 toward the inside of the protective box 90), so that after the exchangeable batteries 400, 410 are inserted into the receiving slots 21, 21A, the height of the handles of the exchangeable batteries 400, 410 will be higher than the height of the electrical connection parts 22, 22A of the receiving slots 21, 21A. This can prevent the interchangeable batteries 400, 410 from tripping out of the battery connector 20 due to horizontal vibration and causing a circuit break, and facilitate replacement of the interchangeable batteries 400, 410.

The electronic infrastructure 300 refers to various electronic control infrastructures built by government units within their jurisdiction, such as traffic lights, pedestrian and bicycle lights, lane control lights, street lights, surveillance cameras, and smart parking posts, but the present invention is not limited thereto. The body 301 has the basic functions of the electronic infrastructure 300; for example, the body 301 of a traffic light includes a pole and red, yellow, and green lights mounted on the pole; for example, the body 301 of a pedestrian and bicycle light includes a pole and a little green man or bicycle graphic light mounted on the pole; for example, The main body 301 of the lane control signal light includes a pole and a green arrow light or a red cross light arranged on the pole; for example, the main body 301 of the road light includes a pole and a light source; for example, the main body 301 of the monitor includes a housing and its internal components; for example, the main body 301 of the smart parking column includes a housing and its internal components.

In a preferred embodiment, the power backup system 100 can be mounted on the top of the control device 302 by means of an external mount. In some embodiments, the power backup system 100 can also be mounted on the outside of the body 301, such as on one side of the rod of the body 301.

It is worth mentioning that when the power backup system 100 is mounted on the control device 302 or the main body 301, the antenna 31 and the aforementioned solar panel 80 can be placed above the protective box 90 of the power backup system 100 to reduce signal shielding and obtain more sunlight. Furthermore, the antenna 31 can be fully or partially exposed outside the protective box 90 to prevent the metal protective box 90 from interfering with electromagnetic waves and causing poor signal reception or signal interruption.

FIG6 is a flow chart of the power backup method of the present invention. As shown in FIG6 and referring to FIG1, the present invention provides a power backup method for electronic infrastructure, comprising the following steps:

In step S100, an uninterruptible power device 10 receives power from a power grid 200 and provides the power to an electronic infrastructure 300.

Step S200, after two interchangeable batteries 400, 410 are inserted into a battery connector 20, the battery connector 20 and the interchangeable batteries 400, 410 are authenticated.

Step S300, after verification, the battery connector 20 allows the interchangeable batteries 400, 410 to be charged or discharged.

Step S400, when the power grid 200 is abnormal, the interchangeable batteries 400, 410 are discharged, the battery connector 20 receives the power of the interchangeable batteries 400, 410, and the uninterruptible power device 10 switches to receive power from the battery connector 20 and provides power to the electronic infrastructure 300.

Step S500, when the power grid 200 is repaired, power supply can be restored; then, the uninterruptible power device 10 can switch to receive power from the power grid 200, and provide power to the electronic infrastructure 300, and can charge the exchangeable batteries 400, 410 (step S100).

FIG7 is a flow chart of step S100 of the power backup method of the present invention. As shown in FIG7 and referring to FIG1 , step S100 further includes:

In step S110, a power module 11 of the UPS 10 receives AC power from the power grid 200 and provides the AC power to an AC-DC converter 40.

In step S120, the AC-DC converter 40 converts the AC power into DC power, and provides the DC power to the two electrical connection parts 22, 22A of the battery connector 20 and an IoT gateway 30, so as to activate the battery connector 20 and the IoT gateway 30.

FIG8 is a flow chart of step S200 of the power backup method of the present invention. As shown in FIG8 and referring to FIG1, step S200 further includes: after the interchangeable batteries 400, 410 are respectively inserted into the two receiving slots 21, 21A of the battery connector 20, the electrical connection parts 22, 22A disposed on the inner sides of the receiving slots 21, 21A of the battery connector 20 are respectively detachably electrically connected to the interchangeable batteries 400, 410 inserted into the two receiving slots 21, 21A. An electrical connection part 401 of the exchangeable battery 400, 410 transmits power, and at the same time, two communication modules 23, 23A arranged inside the receiving slots 21, 21A of the battery connector 20 are respectively connected to a communication module 402 of the exchangeable battery 400, 410 inserted into the receiving slots 21, 21A, so as to verify with the exchangeable battery 400, 410.

FIG9 is a flow chart of step S300 of the power backup method of the present invention. As shown in FIG10 , and referring to FIG1 , step S300 further includes: the battery connector 20 uses direct current to charge the exchangeable batteries 400 and 410.

Figures 10A to 10D are flow charts of step S400 of the power backup method of the present invention. Step S400 further includes:

In step S410, as shown in FIG10A and referring to FIG1, the power module 11 of the UPS 10 switches to receive power from the battery connector 20 and provides it to the electronic infrastructure 300; and a communication module 12 of the UPS 10 sends a message of an estimated usable time of the exchangeable batteries to a first server, such as the server 510, through the IoT gateway 30.

Step S420, as shown in FIG10A, and referring to FIG1, when the power of the exchangeable batteries 400, 410 is lower than a power threshold or the estimated available time is less than an available time threshold, the communication modules 23, 23A of the battery connector 20 respectively receive a low power signal sent by the exchangeable batteries 400, 410; and the communication module 12 of the UPS 10 receives the low power signal and sends a low power message to a third server, such as the server 520, through the IoT gateway 30.

In step S430, as shown in FIG. 10A and referring to FIG. 2A , the interchangeable battery 400 stops discharging and is removed from the receiving slot 21 of the battery connector 20 , while the interchangeable battery 410 continues discharging.

In step S440, as shown in FIG. 10B and referring to FIG. 2B and FIG. 3, a replaceable battery 400A having a power higher than the power threshold is inserted into the receiving slot 21 of the battery connector 20; a first DC-DC converter 60 converts the DC power provided by the replaceable battery 400A having a power higher than the power threshold into a DC power of a different voltage, and provides the DC power of a different voltage to the external control unit 50, thereby activating the external control unit 5. 0; a second DC-DC converter 70 converts the DC power provided by the exchangeable battery 400A with a power higher than the power threshold into a DC power of a different voltage, and provides the DC power of a different voltage to the electrical connection portion 22 of the battery connector 20 to activate the battery connector 20; and the communication module 23 of the battery connector 20 is connected to the external control unit 50 to verify the exchangeable battery 400A with a power higher than the power threshold.

In step S450, as shown in FIG10B and referring to FIG2B, the exchangeable battery 400A that has passed the verification and has a power higher than the power threshold is discharged, while the exchangeable battery 410 that has a power lower than the power threshold stops discharging and is removed from the receiving slot 21A of the battery connector 20.

In step S460, as shown in FIG. 10C and referring to FIG. 2C and FIG. 3, a replaceable battery 410A having a power higher than the power threshold is inserted into the receiving slot 21A of the battery connector 20; a first DC-DC converter 60A converts the DC power provided by the replaceable battery 410A having a power higher than the power threshold into a DC power of a different voltage, and provides the DC power of a different voltage to the external control unit 50A, thereby activating the external control unit 50. A; a second DC-DC converter 70A converts the DC power provided by the exchangeable battery 410A having a power higher than the power threshold into a DC power of a different voltage and provides the DC power of a different voltage to the electrical connection portion 22A of the battery connector 20 to activate the battery connector 20; and the communication module 23A of the battery connector 20 is connected to the external control unit 50A to verify the exchangeable battery 410A having a power higher than the power threshold.

In step S470, as shown in FIG. 10C and referring to FIG. 2C , the exchangeable battery 410A that has passed verification and has a charge higher than the charge threshold is discharged.

In case the maintenance personnel of the interchangeable batteries do not have time to replace the batteries before the power of the interchangeable batteries 400 and 410 is exhausted, the following further steps are included between step S420 and step S430: step S480, as shown in FIG10D, and please refer to FIG1, the power module 11 of the uninterruptible power device 10 switches to receive power from a solar panel 80 and provide power to the electronic infrastructure 300 or charge the interchangeable batteries 400 and 410 through the battery connector 20.

In some embodiments, please refer to FIG. 6 and FIG. 11 together. FIG. 11 is a flow chart of step S600 of the power backup method of the present invention. The power backup method of the present invention further includes the following steps: Step S600, the power backup system 100 can perform wireless firmware updates (Firmware Over-The-Air, FOTA) through the IoT gateway 30 to obtain new functions or solve operational problems. Specifically, step S600 further includes: Step S610, the IoT gateway 30 can be connected to one or more servers 530 (fourth server); and Step S620, obtain an update program from the fourth server and install the update program. Furthermore, the aforementioned update program may include but is not limited to the firmware update program of the UPS 10, the battery dock 20 or the interchangeable batteries 400, 410. Step S600 may be executed before step S100, or between step S100 and step S200, or between step S200 and step S300, or between step S300 and step S400, or between step S400 and step S500, or after step S500, but the present invention is not limited thereto.

The above is only used to explain the preferred embodiment of the present invention, and is not intended to limit the present invention in any form. Therefore, any modification or change of the present invention made under the same spirit of the invention should still be included in the scope of protection intended by the present invention.

100: Power backup system

10: Uninterruptible power supply device

11: Power module

12: Communication module

20: Battery connector

21,21A: Receiving groove

22,22A: Electrical connection part

23,23A: Communication module

30: Internet of Things Gateway

31: Antenna

40: AC-DC converter

80: Solar panels

200: Power grid

300:Electronic infrastructure

301:Entity

302: Control device

400,410: Interchangeable batteries

401: Electrical connection part

402: Communication module

500,510,520,530:Server

Claims (25)

A power backup system for electronic infrastructure includes: an uninterruptible power device configured to receive power from a power grid and provide power to an electronic infrastructure; a battery connector electrically connected to the uninterruptible power device, configured to accommodate at least one exchangeable battery, and to authenticate with the exchangeable battery; and an Internet of Things gateway, the uninterruptible power device being connected to the Internet of Things gateway; wherein, after passing the authentication, the power connector is connected to the Internet of Things gateway. The battery connector allows the interchangeable battery to be charged or discharged; and wherein, when the power grid is abnormal, the interchangeable battery is discharged, the battery connector receives power from the interchangeable battery, the uninterruptible power device switches to receive power from the battery connector and provides power to the electronic infrastructure, and the uninterruptible power device sends a message of an estimated usable time of the interchangeable battery to a first server through the IoT gateway. The system as claimed in claim 1, wherein the uninterruptible power device comprises a power module and a communication module, the power module is configured to receive power from the power grid and provide power to the electronic infrastructure, and the communication module of the uninterruptible power device is connected to the IoT gateway; wherein, when the power grid is abnormal, the communication module of the uninterruptible power device sends a power grid abnormality message to a second server through the IoT gateway. A system as described in claim 1, wherein when the power grid is abnormal and the power of the at least one exchangeable battery is lower than a power threshold or the estimated available time is less than an available time threshold, the uninterruptible power device sends a low power message to a third server through the IoT gateway. A system as described in claim 1, wherein the IoT gateway further comprises an antenna, at least partially exposed outside a protective box of the power backup system, and configured to receive satellite positioning signals or cellular network signals. A system as described in claim 1, wherein the IoT gateway is configured to connect to a fourth server, the IoT gateway obtains an update program from the fourth server, and installs the update program; wherein the update program includes a firmware update program for the UPS, the battery dock, or the replaceable battery. A power backup system for electronic infrastructure includes: an uninterruptible power supply (UPS) configured to receive power from a power grid and provide power to an electronic infrastructure; and a battery connector electrically connected to the uninterruptible power supply (UPS) and including at least one receiving slot, at least one electrical connection portion, and at least one communication module; the receiving slot is configured to fully or partially receive the exchangeable battery, the electrical connection portion and the communication module are arranged on the inner side of the receiving slot; wherein, when the exchangeable battery is inserted into the receiving slot, the electrical connection portion of the battery connector is disconnected from the receiving slot. The connection part is detachably electrically connected to an electrical connection part of the exchangeable battery, and at the same time, the communication module of the battery connection socket is connected to a communication module of the exchangeable battery to verify the exchangeable battery; wherein, after passing the verification, the battery connection socket allows the exchangeable battery to be charged or discharged; and wherein, when the power grid is abnormal, the exchangeable battery is discharged, the battery connection socket receives the power of the exchangeable battery, and the uninterruptible power device switches to receive power from the battery connection socket and provides power to the electronic infrastructure. The system as claimed in claim 6, wherein the battery connector comprises at least two accommodating slots, at least two electrical connection parts and at least two communication modules, the accommodating slots of the battery connector are respectively configured to accommodate at least two exchangeable batteries, the electrical connection parts of the battery connector are respectively arranged on the inner side of the accommodating slots of the battery connector, electrically connected to the uninterruptible power supply device, and are configured to electrically connect to an electrical connection part of the exchangeable batteries inserted into the accommodating slots to transmit power, and the communication modules of the battery connector are respectively arranged on the inner side of the accommodating slots and are configured to be connected to a communication module of the exchangeable batteries inserted into the accommodating slots, so as to authenticate the exchangeable batteries. A system as described in claim 7, wherein when the power grid is abnormal and one of the exchangeable batteries is removed from the battery connector, the other of the exchangeable batteries continues to discharge; wherein, when an exchangeable battery with a charge higher than a charge threshold is inserted into the battery connector, verification is performed, the exchangeable battery that has passed verification and has a charge higher than the charge threshold is discharged, and the exchangeable battery with a charge lower than the charge threshold stops discharging. The system as claimed in claim 8 further comprises at least two external control units, which are electrically connected to the electrical connection parts of the battery connector respectively; wherein, when the exchangeable batteries with a power higher than the power threshold are inserted into the receiving slots of the battery connector, the electrical connection parts of the battery connector and the external control units are simultaneously configured to receive power from the exchangeable batteries with a power higher than the power threshold, thereby activating the battery connector and the external control units, and at the same time, the communication modules of the battery connector are connected to the external control units to authenticate the exchangeable batteries with a power higher than the power threshold. The system as described in claim 9 further comprises at least two first DC-DC converters and at least two second DC-DC converters, wherein the first DC-DC converters are electrically connected to the electrical connection parts of the battery connector and the external control units, respectively, and the second DC-DC converters are electrically connected to the electrical connection parts of the battery connector; wherein when the exchangeable batteries having a charge higher than the charge threshold are respectively inserted into the receiving slots of the battery connector, the first DC-DC converters are electrically connected to the external control units, respectively. The first DC-DC converters convert the DC power provided by the exchangeable batteries with a power higher than the power threshold into DC power of different voltages, and provide the DC power of different voltages to the external control units to activate the external control units. Meanwhile, the second DC-DC converters convert the DC power provided by the exchangeable batteries with a power higher than the power threshold into DC power of different voltages, and provide the DC power of different voltages to the electrical connection parts of the battery connector to activate the battery connector. The system as described in claim 6 further includes an AC-DC converter, which electrically connects the uninterruptible power supply device and the battery connector; wherein the uninterruptible power supply device receives AC power from the power grid and provides the AC power to the AC-DC converter, and the AC-DC converter converts the AC power into DC power and provides the DC power to the battery connector to activate the battery connector; wherein after passing the verification, the battery connector uses the DC power to charge the exchangeable battery. A power backup system for electronic infrastructure includes: an uninterruptible power supply (UPS) configured to receive power from a power grid and provide power to an electronic infrastructure; a battery connector electrically connected to the uninterruptible power supply (UPS) and including at least one receiving slot, at least one electrical connection portion and at least one communication module; the receiving slot is configured to fully or partially receive the exchangeable battery, the electrical connection portion and the communication module are arranged on the inner side of the receiving slot; wherein, when the exchangeable battery is inserted into the receiving slot, the electrical connection portion of the battery connector is detachably electrically connected to an electrical connection portion of the exchangeable battery, and at the same time, the communication module of the battery connector is connected to a communication module of the exchangeable battery. , to authenticate with the exchangeable battery; and a solar panel, electrically connected to the uninterruptible power device; wherein, after passing the authentication, the battery connector allows the exchangeable battery to be charged or discharged; wherein, when the power grid is abnormal, the exchangeable battery is discharged, the battery connector receives the power of the exchangeable battery, and the uninterruptible power device switches to receive power from the battery connector and provides power to the electronic infrastructure; and wherein, when the power grid is abnormal and the power of the exchangeable battery is lower than a power threshold, the uninterruptible power device switches to receive power from the solar panel, and provides power to the electronic infrastructure or charges the exchangeable battery through the battery connector. An electronic infrastructure with power backup function, comprising: a body; a control device, arranged outside the body, electrically connected to the body, and controlling the operation of the body; a power backup system as described in any one of claims 1 to 12, arranged outside the control device or outside the body, wherein the uninterruptible power supply device is electrically connected to the control device and provides power to the control device; and at least one interchangeable battery, arranged in the battery connection socket; Wherein, when the power grid is abnormal, the uninterruptible power supply device switches to receive power from the battery connection socket and provides power to the control device. A power backup method for an electronic infrastructure includes the following steps: an uninterruptible power device receives power from a power grid and provides power to an electronic infrastructure; when at least one exchangeable battery is inserted into a battery connector, the battery connector and the exchangeable battery are authenticated; after the authentication, the battery connector allows the exchangeable battery to be charged or discharged; and when the power grid is abnormal, the exchangeable battery is discharged, the battery connector receives power from the exchangeable battery, and the uninterruptible power device switches to receive power from the battery connector and provides power to the electronic infrastructure. As described in claim 14, the step of detecting the abnormality of the power grid further includes: the uninterruptible power supply device sends a message of an estimated usable time of the exchangeable battery to a first server through an Internet of Things gateway. As described in claim 15, the step of the uninterruptible power device receiving power from the power grid further includes: a power module of the uninterruptible power device receives power from the power grid and provides power to the electronic infrastructure; wherein the power grid abnormality step further includes: when the power grid is abnormal, a communication module of the uninterruptible power device sends a power grid abnormality message to a second server through the IoT gateway. As described in claim 15, the power grid abnormality step further includes: when the power of the exchangeable battery is lower than a power threshold or the estimated available time is less than an available time threshold, the uninterruptible power device sends a low power message to a third server through the IoT gateway. As described in claim 14, the step of verifying the battery connector and the exchangeable battery further includes: when the exchangeable battery is inserted into a receiving slot of the battery connector, an electrical connection portion of the battery connector is detachably electrically connected to an electrical connection portion of the exchangeable battery, and at the same time, a communication module of the battery connector is connected to a communication module of the exchangeable battery. As described in claim 14, the step of verifying the battery connector and the exchangeable battery further includes: after at least two exchangeable batteries are respectively inserted into at least two receiving slots of the battery connector, at least two electrical connection parts arranged on the inner side of the receiving slots are respectively electrically connected to an electrical connection part of the exchangeable batteries inserted into the receiving slots to transmit power, and at least two communication modules arranged on the inner side of the receiving slots are respectively connected to a communication module of the exchangeable batteries inserted into the receiving slots to verify the exchangeable batteries. As described in claim 19, the step of detecting the abnormality of the power grid further includes: when the power grid is abnormal and one of the exchangeable batteries is removed from the battery connector, the other of the exchangeable batteries continues to discharge; and when an exchangeable battery with a charge higher than a charge threshold is inserted into the battery connector, verification is performed, the exchangeable battery that has passed the verification and has a charge higher than the charge threshold is discharged, and the exchangeable battery with a charge lower than the charge threshold stops discharging. As described in claim 20, the step of detecting the abnormality of the power network further includes: when the exchangeable batteries with a power higher than the power threshold are inserted into the receiving slots of the battery connector, the receiving slots of the battery connector and at least two external control units simultaneously receive power from the exchangeable batteries with a power higher than the power threshold, thereby activating the battery connector and the external control units; and the communication modules of the battery connector are connected to the external control units to verify the exchangeable batteries with a power higher than the threshold. As described in claim 21, the power grid abnormality step further includes: when the exchangeable batteries with a power higher than the power threshold are inserted into the receiving slots of the battery connector, at least two first DC-DC converters respectively convert the DC power provided by the exchangeable batteries with a power higher than the power threshold into DC power of different voltages, and provide the DC power of different voltages to the external control units to start the external control units, and at the same time at least two second DC-DC converters convert the DC power provided by the exchangeable batteries with a power higher than the power threshold into DC power of different voltages, and provide the DC power of different voltages to the electrical connection parts of the battery connector to start the battery connector. As described in claim 14, the step of the uninterruptible power device receiving power from the power grid further includes: the uninterruptible power device receives AC power from the power grid and provides the AC power to an AC-DC converter; and the AC-DC converter converts the AC power into DC power and provides the DC power to the battery connector to activate the battery connector; and the step of passing the verification further includes: the battery connector uses the DC power to charge the exchangeable battery. As described in claim 14, the step of detecting an abnormality in the power grid further includes: when the power grid is abnormal and the power of the exchangeable battery is lower than a power threshold, the uninterruptible power device switches to receive power from a solar panel and provides power to the electronic infrastructure or charges the exchangeable battery through the battery connector. The method of claim 14 further comprises the following steps: connecting to a fourth server via an IoT gateway; and the IoT gateway obtaining an update program from the fourth server and installing the update program; wherein the update program comprises a firmware update program for the UPS, the battery dock or the replaceable battery.

Images