CN111969445A - Temporary power management device and working method thereof - Google Patents
Temporary power management device and working method thereof Download PDFInfo
- Publication number
- CN111969445A CN111969445A CN202010984932.XA CN202010984932A CN111969445A CN 111969445 A CN111969445 A CN 111969445A CN 202010984932 A CN202010984932 A CN 202010984932A CN 111969445 A CN111969445 A CN 111969445A
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- management device
- junction box
- unit
- independent
- power management
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/38—Hinged covers or doors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The temporary power supply management device comprises a cabinet body, a display unit, a biological identification unit, a data processing unit, an electric quantity detection unit, an independent junction box and a wiring device; the upper part of the cabinet body is provided with a main breaker and a plurality of breaking circuit breakers, the lower part of the cabinet body is provided with a plurality of independent junction boxes, the main breaker is connected with the breaking circuit breakers, and the breaking circuit breakers are connected with the independent junction boxes; the cabinet door is provided with a display unit and a biological recognition unit, and the display unit and the biological recognition unit are connected with the data processing unit; the electric quantity detection unit is arranged in the independent junction box and is connected with the data processing unit; the wiring device comprises a connector lug and a cable, the connector lug is a plug-in connector lug, and a fingerprint identification module is arranged on the connector lug. The invention also comprises a working method of the temporary power supply management device. The invention can effectively solve the problems of disordered connection and disordered matching and poor coordination in the prior art.
Description
Technical Field
The invention relates to the technical field of power management, in particular to a temporary power management device and a working method thereof.
Background
The temporary power utilization can not be separated during construction, a plurality of construction enterprises generally enter site construction in one engineering project, the site environment of a construction site is complex, coordination among all construction parties is easily caused, the construction efficiency is influenced, even power utilization disputes and safety accidents are caused, the phenomena of messy connection, messy overlapping and the like often occur in a traditional secondary temporary power utilization distribution box, and power failure accidents and even safety accidents are easily caused.
Disclosure of Invention
The invention provides a temporary power supply management device and a working method thereof, aiming at solving the problems of random connection, random overlapping and incapability of coordination in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the temporary power supply management device comprises a cabinet body, and further comprises a display unit, a biological identification unit, a data processing unit, an electric quantity detection unit, an independent junction box and a wiring device which are arranged on the cabinet body;
the interior of the cabinet body is divided into an upper part and a lower part, the upper part is provided with a main circuit breaker and a plurality of breaking circuit breakers, the lower part is provided with a plurality of independent junction boxes, plug-in type wiring terminals are arranged in the independent junction boxes, the main circuit breaker is connected with the breaking circuit breakers, and the breaking circuit breakers are connected with the independent junction boxes in a one-to-one correspondence manner;
a cabinet door is arranged outside the cabinet body, the display unit and the biological identification unit are mounted on the cabinet door, and the display unit and the biological identification unit are connected with the data processing unit;
the electric quantity detection unit is arranged in the independent junction boxes and is used for detecting the electricity consumption of each independent junction box, and the electric quantity detection unit is connected with the data processing unit;
the wiring device comprises a connector lug and a cable, the connector lug is a plug-in connector lug, a fingerprint identification module is arranged on the connector lug, and the connector lug is connected with the plug-in connector lug.
Further, the display unit displays information including power consumption information, user information, and device operation information.
Further, the biometric identification unit comprises a facial identification module and/or a fingerprint identification module.
Further, the electric quantity detection unit comprises intelligent electric meters which correspond to the independent junction boxes one to one.
Furthermore, a wireless signal receiver is installed on the breaker.
Furthermore, a processing chip and a wireless signal receiver are arranged in the connector lug, and the wireless signal receiver in the connector lug is matched with the wireless signal receiver on the breaker circuit breaker.
Furthermore, a clamping groove is formed in the independent junction box, and a corresponding pop-up buckle is arranged on the junction head.
Further, the temporary power management device further comprises a remote server connected with the data processing unit.
The invention also comprises a working method of the temporary power supply management device, which specifically comprises the following steps:
the method comprises the steps that firstly, fingerprints and face information of construction personnel with electricity quality are recorded in a centralized mode through a biological identification unit, the recorded information is stored in a data processing unit and is sent to a remote server, and the recorded information is collected and classified according to construction units so as to record the accumulated electricity consumption of each construction unit and provide evidence for later-stage settlement of temporary electricity consumption;
step two, when in use, the constructor firstly carries out fingerprint or face scanning identification, and has the following conditions:
firstly, if the identification fails, the independent junction box cannot be opened, the electricity cannot be used, and the identification needs to be carried out again; if the biological identification information is not recorded, the person is proved to have useless electric qualification;
secondly, the identification is successful, the display unit displays whether an idle independent junction box exists below the cabinet body, if so, the idle independent junction box below the cabinet body can be automatically opened, and constructors can insert the junction device into the junction box;
the remote server provides a docking interface with a database of the national safety production supervision bureau, and if the constructor inputs the biological identification information in advance but never obtains the high/low voltage electrician operation certificate, the independent junction box still cannot be opened and the constructor is refused to use electricity;
step three, when power is used, the wiring device is inserted into the corresponding independent junction box, the fingerprint identification module on the wiring device is pressed, after the fingerprint identification is successful, the wiring device and the independent junction box are locked, meanwhile, the wireless signal is sent and received to the corresponding breaker, the breaker is switched on, and constructors can start to normally use temporary power;
and step four, after the power utilization is finished, a constructor presses a fingerprint identification module on the compression line device, after the identification is successful, a wireless signal is sent to a corresponding breaker, the breaker is opened at the moment, the junction gun is pulled out, the independent junction box cover is closed, the display unit displays the use completion, and the power consumption is recorded.
The invention has the beneficial effects that:
1. redesign the cabinet body, integrated display element, biological identification unit, data processing unit, electric quantity detecting element, independent terminal box, the cabinet body is only allowed the user to open, and during daily use, the cabinet body is in the complete closure state. The constructor can only use electricity through the independent junction box below the cabinet body after the biological identification is successful. The occurrence of electricity stealing and electric shock accidents can be effectively prevented.
2. The wiring ends of all circuit breakers are led to the independent wiring box at the lower half part of the cabinet body in a centralized mode, plug-in type wiring terminals are used, and a special safety wiring device with fingerprint unlocking is arranged. Need not any wiring tool during the use, plug-and-play has effectively prevented the indiscriminate emergence of taking the phenomenon and electrocute accident of connecing in disorder, has also prevented the malicious hot plug of external personnel simultaneously and has leaded to the equipment damage, the emergence of electric leakage accident etc..
3. And the biological recognition system is used for effectively and automatically counting the accurate temporary electricity consumption of each construction unit. And the phenomena of coordination and dispute of power utilization among construction units are avoided.
Drawings
FIG. 1 is a schematic view of the exterior of a temporary power management apparatus cabinet of the present invention;
FIG. 2 is a schematic view of the interior of a cabinet of the temporary power management apparatus of the present invention;
FIG. 3 is a schematic view of a wiring device according to the present invention;
FIG. 4 is a flow chart of a management method of the present invention;
in the figure: the intelligent cabinet comprises a cabinet body 1, a main circuit breaker 2, a breaking circuit breaker 3, an independent junction box 4, a 401 box cover, a 402 plug-in type binding post, a 5 display unit, a 6 biological identification unit, a 7 binding post, a 701 jack, a 702 cable, a 703 fingerprint identification module, a 704 pop-up type buckle and a 8 cabinet door.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Referring to fig. 1, 2 and 3, the temporary power management device includes a cabinet 1, and further includes a display unit 5, a biometric unit 6, a data processing unit, an electric quantity detection unit, an independent junction box 4 and a wiring device, which are disposed on the cabinet 1.
The cabinet body 1 is preferably a rectangular structure, and is internally divided into an upper part and a lower part, wherein a cabinet door 8 is arranged outside the upper part, the cabinet door 8 is provided with a display unit 5 and a biological identification unit 6, the display unit 5 displays information including power consumption information, power consumption information and device operation information, wherein the device operation information includes information such as whether a device temperature information, a humidity information, a fault information and an independent junction box 4 are used, and meanwhile, the cabinet body 1 is internally provided with an existing temperature sensor and an existing humidity sensor and is connected with a data processing unit. The biological recognition unit 6 comprises a facial recognition module and/or a fingerprint recognition module, preferably, the panel recognition module and the fingerprint recognition module are simultaneously arranged on the cabinet door 8, the biological recognition unit 6 inputs user information in advance and stores the user information in the data processing unit, and the data processing unit also transmits the input information to a remote server connected with the data processing unit and receives the information from the remote server for comparison.
The intelligent cabinet is characterized in that a main breaker 2 and a plurality of breaking circuit breakers 3 are arranged on the upper portion in the cabinet body 1, a plurality of independent junction boxes 4 are arranged on the lower portion of the cabinet body 1, plug-in type wiring terminals 402 are arranged in the independent junction boxes 4, the main breaker 2 is connected with the breaking circuit breakers 3, and the breaking circuit breakers 3 are connected with the independent junction boxes 4 in a one-to-one correspondence mode to control circuits of the independent junction boxes 4.
The electric quantity detecting unit is including setting up smart electric meter in the independent terminal box 4, smart electric meter detects every time power consumption of every independent terminal box 4, the electric quantity detecting unit with the data processing unit links to each other, to data processing unit conveying power consumption information to transmit to remote server through data processing unit.
The wiring device comprises a connector lug 7 and a cable 702, the connector lug 7 is a plug-in connector lug 7, a fingerprint identification module 703 is arranged on the connector lug 7, a social free processing chip and a wireless signal are arranged in the connector lug 7 and connected with the connector lug 402, and the connector lug 7 is connected with the plug-in connector lug 402. The connector lug 7 is provided with a pop-up buckle 704, the inside of the independent junction box 4 is correspondingly provided with a clamping groove,
the breaker 3 is provided with a wireless signal receiver and transmitter, wherein the wireless signal receiver and transmitter is matched with the wireless signal receiver in the connector lug 7 for data transmission.
The invention also comprises a working method of the temporary power supply management device, which specifically comprises the following steps:
step one, fingerprint and face information of construction personnel with electricity quality are recorded in a centralized manner through a biological recognition unit 6, the recorded information is stored in a data processing unit and is sent to a remote server, and the recorded information is summarized and classified according to construction units so as to record the accumulated electricity consumption of each construction unit and provide evidence for later-stage settlement of temporary electricity consumption;
step two, when in use, the constructor firstly carries out fingerprint or face scanning identification, and has the following conditions:
firstly, if the identification fails, the independent junction box 4 cannot be opened, the electricity cannot be used, and the identification needs to be carried out again; if the biological identification information is not recorded, the person is proved to have useless electric qualification;
secondly, the identification is successful, the display unit 5 displays whether the free independent junction box 4 is arranged below the cabinet body 1, if so, the free independent junction box 4 arranged below the cabinet body 1 is automatically opened, and a construction worker can insert a junction device into the junction box;
the remote server provides a docking interface with a database of the national safety production supervision bureau, and if the constructor inputs the biological identification information in advance but never obtains the high/low voltage electrician operation certificate, the independent junction box 4 still cannot be opened and the constructor is refused to use electricity;
step three, when power is used, the wiring device is inserted into the corresponding independent junction box 4, the fingerprint identification module 703 on the wiring device is pressed, after the fingerprint identification is successful, the wiring device is locked with the independent junction box 4 through the pop-up buckle 704 of the wiring device, meanwhile, the wireless signal is sent and received to send a wireless signal to the corresponding breaker 3, at the moment, the breaker 3 is switched on, and constructors can start to normally use temporary power;
and step four, after the power utilization is finished, a constructor presses the fingerprint identification module 703 on the wire crimping device, after the identification is successful, a wireless signal is sent to the corresponding breaker 3, at the moment, the breaker 3 is opened, the junction gun is pulled out, after the cover of the independent junction box 4 is closed, the display unit 5 displays the use completion, and the power consumption is recorded.
Claims (9)
1. Interim power management device, including the cabinet body, its characterized in that: the intelligent household appliance also comprises a display unit, a biological recognition unit, a data processing unit, an electric quantity detection unit, an independent junction box and a wiring device which are arranged on the cabinet body;
the interior of the cabinet body is divided into an upper part and a lower part, the upper part is provided with a main circuit breaker and a plurality of breaking circuit breakers, the lower part is provided with a plurality of independent junction boxes, plug-in type wiring terminals are arranged in the independent junction boxes, the main circuit breaker is connected with the breaking circuit breakers, and the breaking circuit breakers are connected with the independent junction boxes in a one-to-one correspondence manner;
a cabinet door is arranged outside the cabinet body, the display unit and the biological identification unit are mounted on the cabinet door, and the display unit and the biological identification unit are connected with the data processing unit;
the electric quantity detection unit is arranged in the independent junction boxes and is used for detecting the electricity consumption of each independent junction box, and the electric quantity detection unit is connected with the data processing unit;
the wiring device comprises a connector lug and a cable, the connector lug is a plug-in connector lug, a fingerprint identification module is arranged on the connector lug, and the connector lug is connected with the plug-in connector lug.
2. The temporary power management device of claim 1, wherein: the display unit displays information including power consumption information, user information and device operation information.
3. The temporary power management device of claim 1, wherein: the biological recognition unit comprises a facial recognition module and/or a fingerprint recognition module.
4. The temporary power management device of claim 1, wherein: the electric quantity detection unit comprises intelligent electric meters which correspond to the independent junction boxes one to one.
5. The temporary power management device of claim 1, wherein: and the breaking circuit device is provided with a wireless signal receiver.
6. The temporary power management device of claim 5, wherein: the wireless signal receiver in the connector lug is matched with the wireless signal receiver on the breaking circuit breaker.
7. The temporary power management device of claim 1, wherein: and a clamping groove is formed in the independent junction box, and a corresponding pop-up buckle is arranged on the junction head.
8. The temporary power management device according to any one of claims 1 to 7, wherein: the temporary power management device further comprises a remote server connected with the data processing unit.
9. The temporary power management device of claim 8, wherein: the working method of the temporary power management device specifically comprises the following steps:
the method comprises the steps that firstly, fingerprints and face information of construction personnel with electricity quality are recorded in a centralized mode through a biological identification unit, the recorded information is stored in a data processing unit and is sent to a remote server, and the recorded information is collected and classified according to construction units so as to record the accumulated electricity consumption of each construction unit and provide evidence for later-stage settlement of temporary electricity consumption;
step two, when in use, the constructor firstly carries out fingerprint or face scanning identification, and has the following conditions:
firstly, if the identification fails, the independent junction box cannot be opened, the electricity cannot be used, and the identification needs to be carried out again; if the biological identification information is not recorded, the person is proved to have useless electric qualification;
secondly, the identification is successful, the display unit displays whether an idle independent junction box exists below the cabinet body, if so, the idle independent junction box below the cabinet body can be automatically opened, and constructors can insert the junction device into the junction box;
the remote server provides a docking interface with a database of the national safety production supervision bureau, and if the constructor inputs the biological identification information in advance but never obtains the high/low voltage electrician operation certificate, the independent junction box still cannot be opened and the constructor is refused to use electricity;
step three, when power is used, the wiring device is inserted into the corresponding independent junction box, the fingerprint identification module on the wiring device is pressed, after the fingerprint identification is successful, the wiring device and the independent junction box are locked, meanwhile, the wireless signal is sent and received to the corresponding breaker, the breaker is switched on, and constructors can start to normally use temporary power;
and step four, after the power utilization is finished, a constructor presses a fingerprint identification module on the compression line device, after the identification is successful, a wireless signal is sent to a corresponding breaker, the breaker is opened at the moment, the junction gun is pulled out, the independent junction box cover is closed, the display unit displays the use completion, and the power consumption is recorded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010984932.XA CN111969445B (en) | 2020-09-18 | 2020-09-18 | Temporary power management device and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010984932.XA CN111969445B (en) | 2020-09-18 | 2020-09-18 | Temporary power management device and working method thereof |
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| Publication Number | Publication Date |
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| CN111969445A true CN111969445A (en) | 2020-11-20 |
| CN111969445B CN111969445B (en) | 2022-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010984932.XA Active CN111969445B (en) | 2020-09-18 | 2020-09-18 | Temporary power management device and working method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110227531A1 (en) * | 2010-03-21 | 2011-09-22 | Joseph Rajakaruna | Systems and methods for recharging an electric vehicle |
| CN207117001U (en) * | 2017-07-27 | 2018-03-16 | 青岛鸿昊达电气安装工程有限公司 | A kind of work about electric power electric power cabinet |
| CN108257309A (en) * | 2017-12-20 | 2018-07-06 | 安徽幸福售电有限公司 | The setting method that electric power is rented temporarily |
| CN110895686A (en) * | 2019-11-27 | 2020-03-20 | 浙江华舜电子科技有限公司 | On-duty identification method for special person of fire-fighting person |
| CN111055711A (en) * | 2020-01-14 | 2020-04-24 | 陈嘉龙 | Wall-hanging automatic identification fills electric pile for underground parking garage that can prevent to be stolen by electricity |
| CN111293784A (en) * | 2018-12-10 | 2020-06-16 | 中色十二冶金建设有限公司 | Temporary power utilization system for construction site |
-
2020
- 2020-09-18 CN CN202010984932.XA patent/CN111969445B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110227531A1 (en) * | 2010-03-21 | 2011-09-22 | Joseph Rajakaruna | Systems and methods for recharging an electric vehicle |
| CN207117001U (en) * | 2017-07-27 | 2018-03-16 | 青岛鸿昊达电气安装工程有限公司 | A kind of work about electric power electric power cabinet |
| CN108257309A (en) * | 2017-12-20 | 2018-07-06 | 安徽幸福售电有限公司 | The setting method that electric power is rented temporarily |
| CN111293784A (en) * | 2018-12-10 | 2020-06-16 | 中色十二冶金建设有限公司 | Temporary power utilization system for construction site |
| CN110895686A (en) * | 2019-11-27 | 2020-03-20 | 浙江华舜电子科技有限公司 | On-duty identification method for special person of fire-fighting person |
| CN111055711A (en) * | 2020-01-14 | 2020-04-24 | 陈嘉龙 | Wall-hanging automatic identification fills electric pile for underground parking garage that can prevent to be stolen by electricity |
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| CN111969445B (en) | 2022-12-16 |
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