CN115207902B - Negative control device for regulating and controlling power network in real time - Google Patents
Negative control device for regulating and controlling power network in real time Download PDFInfo
- Publication number
- CN115207902B CN115207902B CN202210701554.9A CN202210701554A CN115207902B CN 115207902 B CN115207902 B CN 115207902B CN 202210701554 A CN202210701554 A CN 202210701554A CN 115207902 B CN115207902 B CN 115207902B
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- power network
- control device
- fixing frame
- control
- module
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- 239000013642 negative control Substances 0.000 title claims abstract description 13
- 230000001276 controlling effect Effects 0.000 title claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 9
- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 15
- 230000017525 heat dissipation Effects 0.000 claims abstract description 12
- 230000003993 interaction Effects 0.000 claims abstract description 9
- 230000033228 biological regulation Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
-
- 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
-
- 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
- H02B1/54—Anti-seismic devices or installations
-
- 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
- H02B1/56—Cooling; Ventilation
-
- 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
- H02J13/00001—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 characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
-
- 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
- H02J13/00002—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 characterised by monitoring
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a negative control device for regulating and controlling an electric power network in real time, which comprises a main controller body, a first buffer plate, a second buffer plate, a U-shaped fixing frame, a main CPU module, an electric meter module, a power line modem, a signal processing unit, a control signal output unit, a man-machine interaction interface, a control output interface, a display unit, a communication interface and a communication module, wherein the output end of the main CPU module is connected to the control signal output unit, the main controller body is arranged in the U-shaped fixing frame, and a first groove is formed in one side of the inside of the U-shaped fixing frame. The beneficial effects are that: the ammeter module and the power line modem monitor the load on the power network, the first movable block of the first buffer plate in the first groove, the first spring, the hinge piece and the hinge rod realize buffering, the T-shaped screw rod is matched with the telescopic rod to buffer and fix the second spring and the second buffer plate on the supporting plate to the main controller body, the heat dissipation fan dissipates heat to the main controller body, the structure is simple and stable, and the practicality is strong.
Description
Technical Field
The invention relates to the technical field of power network load control, in particular to a load control device for regulating and controlling a power network in real time.
Background
A big feature of power production is that the generated power must be kept in dynamic balance with the used power. There are thousands of electricity enterprises in a city, and the management and control of the electricity loads of these users is continuously being advanced with the development of technology. At present, conditions and methods for remotely controlling users are provided, and the balance of the generated power and the load power can be realized. The system is called as a power load management system, and according to the actual condition of the power system and different electricity utilization rules of various users, the electricity utilization time is reasonably arranged, the system peak is dispersed, so that the load of a part of peak time is transferred to the valley time for use, the purpose of peak clipping and valley filling is achieved, and the balance among power generation, power supply and electricity utilization is obtained. The adjustment of the load is a content of planning electricity consumption, the potential of power generation, power supply and electric equipment can be fully exerted through the adjustment of the load, the power construction investment is saved, the electricity consumption requirement of national economy development is met to the maximum extent, the power load management has realized the proportional round control of the user load through the development for many years, and the balance of the power grid can be basically and quickly maintained through the load control of the user when the power grid is in shortage and faults.
The power load demand control and regulation unit is arranged in a box body, and because the power load demand control and regulation unit is internally provided with more circuit components, the heat radiation capability is poor, the protection capability of the regulation unit is poor, in addition, the existing power load control and regulation unit cannot realize real-time monitoring of a power network, so that the performance is poor, and a negative control device for regulating and controlling the power network in real time is provided for the above phenomena.
Disclosure of Invention
The invention aims to provide a negative control device for regulating and controlling a power network in real time so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a real-time regulation and control power network's negative control device, including main control unit body, first buffer board, second buffer board, U type mount, main CPU module, ammeter module, power line modem, signal processing unit, control signal output unit, man-machine interaction interface, control output interface, display element, communication interface and communication module, the inside of main control unit body is provided with main CPU module, ammeter module's output is connected to on the input of power line modem, power line modem's output is connected to through address setting up ware and current detector signal processing unit, signal processing unit's output is connected to main CPU module, main control unit module's output is connected to control signal output unit, main control unit body sets up in the U type mount, first recess has been seted up to one side in the U type mount in the both ends sliding connection has first movable block in the first recess, be connected with first buffer board between the first movable block, the second buffer board is equipped with in the U type inside the second recess has the screw bolt in the first recess has the screw bolt of the inside of the U type mount to be connected to the second buffer board in the screw bolt type of the screw bolt.
Furthermore, the input end of the main CPU module is connected with a security interface, and the output end of the control signal output unit is connected with an alarm.
Further, the output end of the control signal output unit is connected with the man-machine interaction interface, the control output interface, the display unit, the communication interface and the communication module.
Further, a first spring is fixedly arranged in the first groove through a bolt between the first movable blocks, and a hinge rod is movably connected between the first movable blocks and the first buffer plate through a hinge piece.
Further, one side of backup pad is through bolt fixed mounting has a plurality of second spring, the top one end of second spring is through bolt fixed mounting have the second buffer board.
Further, one side of the supporting plate is located two ends of the T-shaped screw rod, and telescopic rods located in the second grooves are fixedly installed through bolts.
Further, a filter screen is fixedly arranged on one side of the U-shaped fixing frame, which is positioned on the outer side of the heat dissipation groove, through bolts, and a protection pad made of rubber is fixedly bonded on one side of the U-shaped fixing frame, which is positioned on the outer side of the heat dissipation groove.
Further, the first buffer plate and the second buffer plate are made of rubber materials, and one side of the inner part of the main controller body is propped against the protective pad.
Compared with the prior art, the invention has the following beneficial effects: the utility model discloses a power line modem, the electric power system is connected with a power line, the electric power network is connected with a power line modem, load on the electric power network is monitored through ammeter module and power line modem, then data in the control is fixed a position and analysis through address setting device and current detector, then transfer data to signal processing unit and handle, decompose the signal and make the instruction through main CPU module after handling, carry out data transmission to the main control body through man-machine interaction interface through the control output interface, display element, communication interface and communication module, and the main control body is realized buffering through the first movable block of first buffer board in first recess at the in-process of installation, first spring, hinge and articulated arm, carry out buffering fixed to the main control body through the second spring and the second buffer board in T type screw rod cooperation telescopic link to the backup pad, protect inside unit, increase of service life, realize dispelling the heat to the main control body through radiator fan, and is simple in structure stable, and stable performance is strong.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a real-time regulated power network load control device according to the present invention;
FIG. 2 is a schematic structural installation diagram of a real-time regulated power network load control device according to an embodiment of the present invention;
reference numerals:
1. a main controller body; 2. a first buffer plate; 21. a first groove; 22. a first movable block; 23. a first spring; 24. a hinge; 25. a hinge rod; 3. a second buffer plate; 31. a second groove; 32. a T-shaped screw; 33. a rotating seat; 34. a support plate; 35. a second spring; 36. a telescopic rod; 4. a U-shaped fixing frame; 41. a heat dissipation groove; 42. a heat radiation fan; 43. a filter screen; 44. a protective pad; 5. a main CPU module; 51. 6, an ammeter module; 7. a power line modem; 8. a signal processing unit; 9. a control signal output unit; 91. a man-machine interaction interface; 92. controlling an output interface; 93. a display unit; 94. a communication interface; 95 a communication module; 96. an alarm.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms of "top", "bottom", "one side", "the other side", "front", "rear", "middle portion", "inner", "top", "bottom", etc., are directions or positional relationships based on the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-2, a real-time power network control device according to the present invention includes a main controller body 1, a first buffer board 2, a second buffer board 3, a U-shaped fixing frame 4, a main CPU module 5, an ammeter module 6, a power line modem 7, a signal processing unit 8, a control signal output unit 9, a man-machine interface 91, a control output interface 92, a display unit 93, a communication interface 94 and a communication module 95, wherein the main CPU module 5 is disposed in the main controller body 1, an output end of the ammeter module 6 is connected to an input end of the power line modem 7, an output end of the power line modem 7 is connected to the signal processing unit 8 through an address setting device 71 and a current detector 72, an output end of the signal processing unit 8 is connected to the main CPU module 5, the output end of the main CPU module 5 is connected to the control signal output unit 9, the main controller body 1 is arranged in the U-shaped fixing frame 4, a first groove 21 is formed in one side of the inside of the U-shaped fixing frame 4, two ends of the U-shaped fixing frame 4, which are positioned in the first groove 21, are connected with first movable blocks 22 in a sliding manner, a first buffer plate 2 is connected between the first movable blocks 22, a second groove 31 is formed in the other side of the inside of the U-shaped fixing frame 4, a T-shaped screw 32 is connected in the U-shaped fixing frame 4, which is positioned in the second groove 31 in a threaded manner, the top of the T-shaped screw 32 is movably connected with a supporting plate 34 through a rotating seat 33, the other side of the supporting plate 34 is connected with a second buffer plate 3, two ends of one side of the inside of the U-shaped fixing frame 4 are provided with heat dissipation grooves 41, a heat dissipation fan 42 is fixedly arranged at the bottom of the U-shaped fixing frame 4, which is positioned in the heat dissipation grooves 41, through bolts, a main controller body 1 is movably connected between the first buffer plate 2 and the second buffer plate 3.
The input end of the main CPU module 5 is connected with a security interface 51, and the output end of the control signal output unit 9 is connected with an alarm 96, so as to realize an alarm.
The output end of the control signal output unit 9 is connected with a man-machine interaction interface 91, a control output interface 92, a display unit 93, a communication interface 94 and a communication module 95, so as to realize data transmission.
Wherein, be arranged in the inside of first recess 21 between the first movable block 22 and have a first spring 23 through bolt fixed mounting, have articulated elements 24 swing joint to hinge lever 25 between first movable block 22 and the first buffer board 2, realize the one side buffering fixed to main control unit body 1, stable in structure.
Wherein, one side of backup pad 34 is through bolt fixed mounting has a plurality of second spring 35, and the top one end of second spring 35 is through bolt fixed mounting has second buffer board 3, realizes the opposite side buffering fixed to main control unit body 1.
Wherein, one side of the supporting plate 34 is positioned at two ends of the T-shaped screw 32, and a telescopic rod 36 positioned in the second groove 31 is fixedly arranged through bolts, so that the rotating process is realized.
The filter screen 43 is fixedly mounted on one side of the U-shaped fixing frame 4, which is located outside the heat dissipation groove 41, and the protection pad 44 made of rubber is fixedly bonded on one side of the U-shaped fixing frame 4, which is located outside the heat dissipation groove 41, so that heat dissipation of the main controller body 1 is achieved.
Wherein, first buffer board 2 and second buffer board 3 are made for the rubber material, and offset between inside one side of main control unit body 1 and the protection pad 44, realize the protection fixed to main control unit body 1.
Principle of operation
According to the scheme, the load on the power network is monitored through the ammeter module and the power line modem when the load control device for controlling the power network in real time is used, then data in the monitoring is positioned and analyzed through the address setter and the current detector, then the data are transmitted to the signal processing unit for processing, after the processing, the signals are decomposed and an instruction is made through the main CPU module, the main controller body is subjected to data transmission through the man-machine interaction interface, the control output interface, the display unit, the communication interface and the communication module, the main controller body is buffered through the first movable block, the first spring, the hinge piece and the hinge rod of the first buffer plate in the first groove in the installation process, the main controller body is buffered and fixed through the second spring and the second buffer plate on the supporting plate by the T-shaped screw rod in cooperation with the telescopic rod, the internal unit is protected, the service life is prolonged, the main controller body is cooled through the cooling fan, the structure is simple and stable, the performance is stable, and the practical performance is strong.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. The utility model provides a real-time control device of electric power network, including main control unit body (1), first buffer board (2), second buffer board (3), U type mount (4), main CPU module (5), ammeter module (6), power line modem (7), signal processing unit (8), control signal output unit (9), human-computer interaction interface (91), control output interface (92), display element (93), communication interface (94) and communication module (95), characterized in that, the inside of main control unit body (1) is provided with main CPU module (5), the output of ammeter module (6) is connected to on the input of power line modem (7), the output of power line modem (7) is connected to through address setting up ware (71) and current detector (72) signal processing unit (8), the output of signal processing unit (8) is connected to main CPU module (5), the output of main CPU module (5) is connected to control signal output unit (9), main control unit (1) is provided with one side in the mount (4) is opened in the inside one side of U type (4), the U-shaped fixing frame (4) is positioned in the first groove (21) and is provided with first movable blocks (22) in a sliding manner, first buffer plates (2) are connected between the first movable blocks (22), second grooves (31) are formed in the other side of the U-shaped fixing frame (4), T-shaped screws (32) are connected to the middle ends of the second grooves (31) in a threaded penetrating manner, supporting plates (34) are movably connected to the tops of the T-shaped screws (32) through rotating bases (33), second buffer plates (3) are connected to the other sides of the supporting plates (34), radiating grooves (41) are formed in the two ends of one side of the inner portion of the U-shaped fixing frame (4), radiating fans (42) are fixedly arranged at the bottoms of the radiating grooves (41) through bolts, and main controller bodies (1) are movably connected between the first buffer plates (2) and the second buffer plates (3).
2. The negative control device for the real-time regulation and control power network according to claim 1, wherein the input end of the main CPU module (5) is connected with a security interface (51), and the output end of the control signal output unit (9) is connected with an alarm (96).
3. The negative control device for regulating and controlling a power network in real time according to claim 1, wherein an output end of the control signal output unit (9) is connected with the man-machine interaction interface (91), the control output interface (92), the display unit (93), the communication interface (94) and the communication module (95).
4. The negative control device for the real-time regulation and control of the electric power network according to claim 1, characterized in that a first spring (23) is fixedly arranged in the first groove (21) between the first movable blocks (22) through bolts, and a hinge rod (25) is movably connected between the first movable blocks (22) and the first buffer plate (2) through a hinge piece (24).
5. The negative control device for the real-time regulation and control power network according to claim 1, wherein a plurality of second springs (35) are fixedly installed on one side of the supporting plate (34) through bolts, and the second buffer plate (3) is fixedly installed on one end of the top of each second spring (35) through bolts.
6. The negative control device for the real-time regulation and control of the power network according to claim 1, wherein the telescopic rods (36) positioned in the second grooves (31) are fixedly installed at two ends of the T-shaped screw (32) on one side of the supporting plate (34) through bolts.
7. The negative control device for the real-time regulation and control power network according to claim 1, wherein a filter screen (43) is fixedly arranged on one side of the U-shaped fixing frame (4) which is positioned outside the heat dissipation groove (41) through bolts, and a protection pad (44) made of rubber is fixedly bonded on one side of the U-shaped fixing frame (4) which is positioned outside the heat dissipation groove (41).
8. The negative control device for the real-time regulation and control power network according to claim 1, wherein the first buffer plate (2) and the second buffer plate (3) are made of rubber materials, and one side of the inside of the main controller body (1) is propped against the protection pad (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210701554.9A CN115207902B (en) | 2022-06-17 | 2022-06-17 | Negative control device for regulating and controlling power network in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210701554.9A CN115207902B (en) | 2022-06-17 | 2022-06-17 | Negative control device for regulating and controlling power network in real time |
Publications (2)
| Publication Number | Publication Date |
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| CN115207902A CN115207902A (en) | 2022-10-18 |
| CN115207902B true CN115207902B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210701554.9A Active CN115207902B (en) | 2022-06-17 | 2022-06-17 | Negative control device for regulating and controlling power network in real time |
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| CN (1) | CN115207902B (en) |
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| KR20050066392A (en) * | 2003-12-26 | 2005-06-30 | 엘에스산전 주식회사 | Remote load control type electronic watt-hour meter using power line system |
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| CN114302615A (en) * | 2021-12-11 | 2022-04-08 | 根号一科技(深圳)有限公司 | Information technology service equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160254666A1 (en) * | 2015-02-27 | 2016-09-01 | Intelligent Power & Energy Research Corporation (Iperc) | Adaptive microgrid control |
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2022
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| KR20050066392A (en) * | 2003-12-26 | 2005-06-30 | 엘에스산전 주식회사 | Remote load control type electronic watt-hour meter using power line system |
| CN108961470A (en) * | 2018-07-06 | 2018-12-07 | 广州番客信息科技有限公司 | It is a kind of can real-time transmission data automobile data recorder |
| CN211043471U (en) * | 2019-07-12 | 2020-07-17 | 广州智慧能源服务有限公司 | Device for collecting electric energy data |
| CN114302615A (en) * | 2021-12-11 | 2022-04-08 | 根号一科技(深圳)有限公司 | Information technology service equipment |
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| CN115207902A (en) | 2022-10-18 |
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