阅读说明：本技术 一种智控路灯箱式变电站 (Intelligent control street lamp box-type substation ) 是由 张隆贵 刘盛琪 张树栋 栾玉静 于 2021-03-04 设计创作，主要内容包括：本发明提供一种智控路灯箱式变电站,电力变压器电性连接有远程计量表及装置,远程计量表及装置电性连接有低压仪表盘,电力变压器通过远程计量表及装置与低压一级断路器电性连接,远程计量表及装置通过低压一级断路器与电力载波集中器电性连接,本发明的有益效果是：设备设计的整体构架,应用多项技术,有机合理的连接,是设备走向产品高端的理论基础,城市路灯照明管理设备走向现代化的有效工具,通过低压电器控制成套模块化设计、运行状态信息化为电力设备免维修,提高生产设备高效运行提供保障,且通过低压电缆在线非运行期间实现自动监测并远程报警,避免绝缘故障发生。(The invention provides an intelligent control street lamp box-type substation, wherein a power transformer is electrically connected with a remote gauge and a remote device, the remote gauge and the remote device are electrically connected with a low-voltage instrument panel, the power transformer is electrically connected with a low-voltage primary circuit breaker through the remote gauge and the remote device, and the remote gauge and the remote device are electrically connected with a power carrier concentrator through the low-voltage primary circuit breaker, and the intelligent control street lamp box-type substation has the beneficial effects that: the whole framework of equipment design uses multinomial technique, and organic reasonable connection is the equipment and moves towards the high-end theoretical basis of product, and city street lamp lighting management equipment moves towards the effective instrument of modernization, through low-voltage apparatus control complete set modular design, operating condition informationization for power equipment exempts from the maintenance, improves the high-efficient operation of production facility and provides the guarantee, and realizes automatic monitoring and remote alarm during through the online non-operation of low tension cable, avoids insulating fault to take place.)

1. An intelligent control street lamp box-type substation comprises a shell (34), and is characterized in that a low-voltage control mechanism (36), a high-voltage distribution mechanism (37), a transformer mechanism (38) and an external service distribution mechanism (39) are respectively arranged in the shell (34);

low-voltage control mechanism (36) include power transformer (33) with shell (34) inside setting, power transformer (33) electric connection has long-range strapping table and device (2), long-range strapping table and device (2) electric connection has low-voltage instrument board (13), power transformer (33) are through long-range strapping table and device (2) and low-voltage one-level circuit breaker (12) electric connection, long-range strapping table and device (2) are through low-voltage one-level circuit breaker (12) and power carrier concentrator (35) electric connection, power carrier concentrator (35) are through low-voltage branch circuit breaker (14) and outer service distribution mechanism (39) interconnect, still being connected with low-voltage gate control lighting switch (11) of power carrier concentrator (35).

2. The intelligent control street lamp box-type substation of claim 1, characterized in that: low pressure control mechanism (36) still include environment temperature and humidity controller (7) and intelligent reactive power compensator (27) of being connected respectively with low pressure gate control lighting switch (11) one side, temperature and humidity controller (7) electric connection has exhaust fan (28), power carrier concentrator (35) are connected with low pressure entrance guard lock (29), the internal connection of low pressure entrance guard lock (29) has along separate routes remote gauge table (22), along separate routes remote gauge table (22) electric connection has along separate routes circuit breaker (23), along separate routes remote gauge table (22) through along separate routes circuit breaker (23) and fixed seal glan head (31) fixed connection.

3. The intelligent control street lamp box-type substation of claim 1, characterized in that: the high-voltage distribution mechanism (37) comprises a high-voltage fuse (24), a high-voltage arrester (4), a high-voltage vacuum switch (5) and a high-voltage switch manual operation chamber (1) which are sequentially connected with a power transformer (33), the high-voltage vacuum switch (5) is connected with a high-voltage electrified display (9), one side of the high-voltage switch manual operation chamber (1) is respectively connected with a high-voltage access control switch (8) and a water level sensor (3), the manual operation room (1) of the high-voltage switch is further connected with a PLC (programmable logic controller) controller (19), a longitude and latitude controller (17), an RTU (remote terminal unit) controller (20) and a backup power supply (30) in sequence, the PLC controller (19), the longitude and latitude controller (17) and the RTU controller (20) are connected with a multi-channel conversion control box (21), the longitude and latitude controller (17) and the RTU controller (20) are electrically connected with an external service power distribution mechanism (39) through a multi-channel conversion control box (21).

4. The intelligent control street lamp box-type substation of claim 1, characterized in that: the transformer mechanism (38) comprises a wireless gateway touch screen (15), an oil level sensor (6) of the oil immersed transformer, a device temperature sensor (18) and an online insulation detection device (32), wherein the wireless gateway touch screen (15), the oil level sensor (6), the device temperature sensor (18) and the online insulation detection device (32) are respectively connected with one side of a PLC (programmable logic controller) (19), and the online insulation detection device (32) is electrically connected with an external service power distribution mechanism (39).

5. The intelligent control street lamp box-type substation of claim 1, characterized in that: the external service power distribution mechanism (39) comprises a plurality of draw-out control module boxes (16) connected with one side of a low-voltage branch circuit breaker (14), and the draw-out control module boxes (16) are sequentially connected with a single-phase current transformer (26), a shunt circuit breaker (23), a street lamp (10), a zero line controller (25) and a fixed sealing gland head (31).

Technical Field

The invention belongs to the technical field of intelligent street lamps, and particularly relates to an intelligent control street lamp box-type substation.

Background

At present, the urban road lighting power supply is also a common transformer substation, the structure of the urban road lighting power supply is a high-voltage power supply 10KV, high-voltage electric energy is directly transmitted to a power transformer through a cable elbow, the low-voltage side is also in a conventional low-voltage power distribution mode, light control and time control are added, RTU control is added in advanced mode, and for the management and maintenance of equipment groups with large area, large quantity and scattered layout (a square circle and a dozen kilometers), a large amount of human resources need to be invested, particularly in the aspects of intelligent management, reasonable energy conservation, safe application, effective use of labor resources and the like of the equipment, the urban road lighting power supply has a great revolution in inherent software and hardware application of the equipment.

Disclosure of Invention

The invention aims to provide an intelligent control street lamp box-type substation, and aims to solve the problems that in the prior art, a large amount of equipment groups with large areas and distributed layout (one square circle and dozens of kilometers) need to be managed and maintained, and a large amount of human resources need to be input.

In order to achieve the purpose, the invention provides the following technical scheme: an intelligent control street lamp box-type substation comprises a shell, wherein a low-voltage control mechanism, a high-voltage distribution mechanism, a transformer mechanism and an external service distribution mechanism are respectively arranged in the shell;

low pressure control mechanism includes the power transformer with the inside setting of shell, power transformer electric connection has long-range strapping table and device, long-range strapping table and device electric connection have the low-voltage instrument board, power transformer passes through long-range strapping table and device and low pressure one-level circuit breaker electric connection, long-range strapping table and device pass through low pressure one-level circuit breaker and power line carrier concentrator electric connection, power line carrier passes through low pressure branch circuit breaker and outer service distribution mechanism interconnect, power line carrier concentrator still is connected with low pressure gate lighting switch.

In order to enable the transformer substation to control the overall low voltage, the low-voltage control mechanism preferably further comprises an environment temperature and humidity controller and an intelligent reactive compensator which are respectively connected with one side of the low-voltage gated lighting switch, the temperature and humidity controller is electrically connected with an exhaust fan, the power carrier concentrator is connected with a low-voltage access control lock, a shunt remote meter is connected inside the low-voltage access control lock, the shunt remote meter is electrically connected with a shunt circuit breaker, and the shunt remote meter is fixedly connected with the fixed sealing gland head through the shunt circuit breaker.

In order to control the transformer substation during high-voltage conversion, the high-voltage distribution mechanism preferably comprises a high-voltage fuse, a high-voltage arrester, a high-voltage vacuum switch and a high-voltage switch manual operation chamber which are sequentially connected with a power transformer, wherein the high-voltage vacuum switch is connected with a high-voltage electrified display, one side of the high-voltage switch manual operation chamber is respectively connected with a high-voltage access switch and a water level sensor, a PLC (programmable logic controller), a longitude and latitude controller, an RTU (remote terminal unit) controller and a backup power supply are sequentially connected to the high-voltage switch manual operation chamber, the PLC, the longitude and latitude controller and the RTU controller are connected with a multi-path conversion control box, and the longitude and latitude controller and the RTU controller are electrically connected with an external service distribution mechanism through the multi-path conversion control box.

In order to enable the whole transformer substation to be subjected to conversion control by the transformer, as an optimal choice of the invention, the transformer mechanism comprises a wireless gateway touch screen, an oil level sensor of the oil immersed transformer, equipment temperature sensing and online insulation detection which are respectively connected with one side of the PLC, and the online insulation detection is electrically connected with the external service power distribution mechanism.

In order to enable the whole transformer substation to be more convenient to control and monitor street lamps, the external service power distribution mechanism preferably comprises a plurality of draw-out control module boxes connected with one side of the low-voltage branch circuit breaker, and the draw-out control module boxes are sequentially connected with a single-phase current transformer, a branch circuit breaker, the street lamps, a zero line controller and a fixed sealing gland head.

Compared with the prior art, the invention has the beneficial effects that:

1) the compact inflatable high-voltage circuit breaker is applied to automatically control the high-voltage power supply, so that a foundation element is laid; the GPRS technology is applied to realize the communication management of the master station to each station, and the channel foundation (gateway) of wireless communication is completed; the touch screen technology is applied to realize on-site 'in-place' imaging management; the management of shunt control and information feedback are realized by applying PLC software and hardware technology; the method comprises the steps that electric power carrier wave (HPLC) technology is applied to realize transmission of various circuit control signals, and data communication from a station to each terminal application physical device through a 'concentrator' is achieved through a wireless engineering; the program management of the terminal physical electrical appliance is realized by applying the technologies of single chip microcomputer programming software + hardware and the like. Therefore, the remote highly-centralized and highly-intelligent equipment management system is realized, and the intellectualization and the humanization of the terminal electric equipment are achieved, and the energy conservation is optimized. The equipment is clustered efficiently, the management cost is greatly reduced, and the reliability is improved;

2) a plurality of modern mature technologies are applied, so that the management of dispersed equipment groups is comprehensively realized, a remote highly-centralized and highly-intelligent equipment management system and the intellectualization and humanization of terminal electric equipment are realized, and the energy conservation is optimized. The equipment clustering is efficient, the management cost is greatly reduced, and the reliability is improved. See technical solutions section for details;

3) the power supply is operated completely, the management cost can be greatly saved, the management efficiency is improved, the scientific control of each lamp can be realized by applying the power line carrier technology, the time-sharing voltage regulation, the reasonable opening and change, the multi-mode regulation and control and the multi-mode program control are implemented, and the optimal implementation of energy conservation and reasonable illumination is really realized to create an effective equipment means. The networking centralized management of each platform plays an important management equipment tool for scientifically scheduling the high quality and high efficiency of urban lighting.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1. a high-voltage switch manual operation chamber; 2. remote meters and devices; 3. a water level sensor; 4. a high voltage arrester; 5. a high-voltage vacuum switch; 6. an oil level sensor of an oil immersed transformer; 7. an ambient temperature and humidity controller; 8. a high-voltage access control switch; 9. a high voltage live display; 10. a street light fixture; 11. a low voltage gated lighting switch; 12. a low voltage primary circuit breaker; 13. a low-voltage instrument panel; 14. a low voltage branch circuit breaker; 15. a touch screen gateway; 16. a draw-out control module box; 17. a latitude and longitude controller; 18. sensing the temperature of the equipment; 19. a PLC controller; 20. an RTU controller; 21. a multiplex switching control box; 22. a shunt remote meter; 23. a shunt circuit breaker; 24. a high voltage fuse; 25. a zero line controller; 26. a single-phase current transformer; 27. an intelligent reactive power compensator; 28. an exhaust fan; 29. a low-voltage door access lock; 30. a backup power supply; 31. fixing and sealing the gland head; 32. an automatic on-line insulation monitor; 33. a power transformer; 34. a housing; 35. a power carrier concentrator; 36. a low-pressure control mechanism; 37. a high voltage distribution mechanism; 38. a transformer mechanism; 39. and (5) externally serving the power distribution mechanism.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides the following technical solutions:

an intelligent control street lamp box-type substation comprises a shell 34, wherein a low-voltage control mechanism 36, a high-voltage distribution mechanism 37, a transformer mechanism 38 and an external service distribution mechanism 39 are respectively arranged inside the shell 34;

low voltage control mechanism 36 includes the power transformer 33 with the inside setting of shell 34, power transformer 33 electric connection has long-range strapping table and device 2, long-range strapping table and device 2 electric connection has low-voltage instrument board 13, power transformer 33 passes through long-range strapping table and device 2 and low pressure one-level circuit breaker 12 electric connection, long-range strapping table and device 2 pass through low pressure one-level circuit breaker 12 and power line carrier concentrator 35 electric connection, power line carrier concentrator 35 is through low pressure branch circuit breaker 14 and external service distribution mechanism 39 interconnect, power line carrier concentrator 35 still is connected with low pressure gate control lighting switch 11.

When the system is used specifically, a manager controls the access control low-voltage access control lock 29 of the external service power distribution mechanism 39; the entrance guard low-voltage entrance guard lock 29 is directly controlled by the PLC 19, is a directly controlled terminal element and is directly arranged on an electromechanical mechanism on a power distribution room door for public use outside an area; the automatic on-line insulation monitor 32 is measured and identified to be in a non-street lamp illumination time period, and insulation measurement and insulation abnormity alarm control are carried out; the multi-channel conversion control box 21 is controlled, and the power carrier concentrator 35 is a component for realizing management and information return of each branch, including branch single-lamp control, and is matched with a controller of the street lamp 10 to meet the selection of a control mode of a manager on the street lamp; the power carrier concentrator 35 is attached to the low-voltage branch circuit breaker 14 and exchanges and collects and transmits communication data through a built-in transformer, and a plurality of paths of electric energy meters serving externally carry out 22-1-n meter reading and data returning control on a master station through an RS485 data line; the low voltage branch breakers 14 distribute power to the low voltage gated lighting switch 11 and the respective draw out control module boxes 16, respectively.

In this embodiment: low-voltage control mechanism 36 still includes environment temperature and humidity controller 7 and intelligent reactive compensator 27 of being connected respectively with low-voltage gate control lighting switch 11 one side, environment temperature and humidity controller 7 electric connection has air discharge fan 28, power line carrier concentrator 35 is connected with low-voltage entrance guard lock 29, the internal connection of low-voltage entrance guard lock 29 has long-range strapping table 22 along separate routes, long-range strapping table 22 electric connection along separate routes has branch circuit breaker 23, long-range strapping table 22 along separate routes passes through branch circuit breaker 23 and fixed seal glan head 31 fixed connection.

When the drawing-out type control module box 16 is used specifically, the drawing-out type control module box 16 supplies power to a controller of a street lamp 10 through a single-phase current transformer 26 and a shunt circuit breaker 23, the lamp can be a controller or a common lamp, a current loop is formed through a zero line controller 25, the whole-process control of a lighting tool is completed, and the fixed sealing gland head 31 is a wire inlet cable sealing and fastening device.

In this embodiment: the high-voltage distribution mechanism 37 comprises a high-voltage fuse 24 sequentially connected with a power transformer 33, a high-voltage lightning arrester 4, a high-voltage vacuum switch 5 and a high-voltage switch manual operation chamber 1, the high-voltage vacuum switch 5 is connected with a high-voltage electrified display 9, one side of the high-voltage switch manual operation chamber 1 is respectively connected with a high-voltage access control switch 8 and a water level sensor 3, the high-voltage switch manual operation chamber 1 is further sequentially connected with a PLC (programmable logic controller) 19, a longitude and latitude controller 17, an RTU (remote terminal unit) controller 20 and a backup power supply 30, the PLC 19, the longitude and latitude controller 17 and the RTU controller 20 are connected with a multi-channel conversion control box 21, and the longitude and latitude controller 17 and the RTU controller 20 are electrically connected with an external service distribution mechanism.

When the high-voltage vacuum switch is used, on the premise of ensuring safe power utilization, the high-voltage vacuum switch 5 is applied to realize normal starting of a high-voltage 10KV power supply and stopping control of the high-voltage switch manual operation chamber 1, the abnormal opening of a high-voltage chamber door matched with the water level sensor 3 and the high-voltage access switch 8 is realized, the switching/cutting operation of a client mobile phone remote operation high-voltage circuit breaker is realized, the grounding control is maintained, the on-off state display is realized, the high-voltage incoming call display is displayed, and the high-voltage lightning arrester 4, the high-voltage fuse 24 and other matched devices for safety protection are; the power transformer 33 room is conventional and no longer burdensome and includes the intelligent reactive compensator 27.

In this embodiment: the transformer mechanism 38 comprises a touch screen gateway 15, an oil level sensor 6 of the oil immersed transformer, a device temperature sensor 18 and an automatic online insulation monitor 32 which are respectively connected with one side of the PLC 19, and the automatic online insulation monitor 32 is electrically connected with an external service distribution mechanism 39.

When the device is used, the electric energy of the power transformer 33 enters the low-voltage primary circuit breaker 12 through a remote meter and the device 2 used by a power company; meanwhile, the water level sensor 3 enters the low-voltage instrument panel 13 and the backup power supply 30 to provide an uninterruptible power supply for the touch screen gateway 15 and the PLC 19; the PLC 19 is the central control device of the apparatus, its management program considers the exchange of various information of entering and exiting, he has the remote start/stop control of customer's mobile phone to the high-voltage switch, absorb the temperature sensing 18 over-temperature alarm information of the apparatus, the oil level missing information of the oil immersed transformer oil level sensor 6, send to the apparatus administrator's mobile phone through the signal channel, the automatic online insulation monitor 32 is realized under the cooperation of the draw-out control module box 16, and null line controller 25, the street lamp 10 is a multi-channel lamp in the middle of the cable, the phase line and null line lamp are the circuit connected together, the null line is connected with the total null line of the transformer, in order to realize the measurement to the buried cable of long distance, must disconnect the phase line and null line of the cable at the same time, can realize the online automatic measurement of exerting pressure; the power carrier concentrator 35 is configured inside the street lamp 10, the power carrier concentrator 35 is combined with a built-in 'single chip microcomputer execution terminal', and then is matched with the street lamp 10 to realize diversified management, reliable operation and supervision of regional lamp groups, a plurality of working mode programs requiring street lamp work are built in the single chip microcomputer terminal, and can receive instructions sent by the power carrier concentrator 35 to realize the work of switching, timing, voltage regulation, grouping and the like of the lamp, and various faults of the street lamp 10 can also pass back to the power carrier concentrator 35 through the system and then are transmitted to the 'urban lighting management center' through the system.

In this embodiment: the external service power distribution mechanism 39 comprises a plurality of draw-out control module boxes 16 connected with one side of the low-voltage branch circuit breaker 14, and a single-phase current transformer 26, a branch circuit breaker 23, a street lamp 10, a zero line controller 25 and a fixed sealing flange head 31 are sequentially connected with the plurality of draw-out control module boxes 16.

When the system is used specifically, an external service distribution mechanism 39 mainly comprises public service parts of governments (such as traffic lights, skynet monitoring, landscaping and the like), measures of all electricity consumption, mainly comprises electricity safety control of 22-1-n and electricity consumption management of 23-1-n, is connected with a PLC (programmable logic controller) 19 through RS485 to realize remote automatic meter reading, a remote mobile phone 'entrance guard' controls a low-voltage entrance guard lock 29 and services, a fixed sealing gland head 31 is an entrance cable sealing and fastening device, a pull-out type control module box 16 is a key device of the system, and 18 circuits are arranged in the system to meet the control of a plurality of lighting circuits of customers (considering the overhead multi-circuit environment of a large city); the intelligent energy-saving heavy-current controller is internally provided with two sets of independent energy-saving heavy-current (single-phase 80A) controllers, the function of automatically detecting the running state of the main controller is configured, when the main controller has a fault, the main controller is automatically switched to the standby controller, the running states of the main controller and the standby controller are both issued by mobile phone return information, the controller is in a modularized unified design, all devices can be interchanged, and maintenance is avoided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.