CN218124133U - A high-voltage scanning code to open the door connection box - Google Patents

Abstract

A high-voltage scanning code to open the door to connect the box, which has the basic function of the distribution network automation primary and secondary fusion ring net box, and adds a metering part of the high supply and high meter, and is equipped with a special meter and a negative control device. As a whole, it meets the functional requirements of protection, measurement, and electric energy collection. Install high-precision and wide-range current transformers to collect three-phase currents and zero-sequence currents; the metering part is equipped with special-precision metering currents, voltage transformers and meters to ensure metering accuracy. The door-opening connection box adopts the prefabricated mode of the main equipment, and the customer's application for power connection adopts the form of scanning codes. The power supply company will assign a person to connect at the first time, and provide relevant interfaces to ensure that the user can use electricity in the first time, saving time to the greatest extent. The open-door connection box is managed by professionals of the power supply company, and only professionals can operate it, so as to avoid the phenomenon of unauthorized connection and ensure the safety of the power grid and users themselves.

Description

A high-voltage scanning code to open the door connection box

technical field

The utility model relates to the field of power grid equipment, in particular to a high-voltage code-scanning and door-opening electric box.

Background technique

In the existing technology, the connection box often does not have the functions of metering or docking information provision, which leads to unclear and clear operation information of the actual connection box, and the real-time operation status of the connection box is not clear, resulting in that it cannot be carried out in time if a fault occurs. The investigation and solution will delay the daily electricity consumption of the surrounding residents and cause a great impact. In addition, the current node request processing process of customers is relatively complicated, which is not simple and convenient enough. As a result, relevant local departments cannot timely connect with customers who need to connect to the electricity business, wasting time and labor costs, and also causing private and random connections, non-professionals The occurrence of phenomena such as self-operation has great potential safety hazards.

Utility model content

The utility model aims at the problems existing in the above-mentioned background technology, and proposes a high-voltage scanning code to open the door connection box.

A high-voltage scanning code to open the door connection box, including the first and second fusion scanning code connection ring network cabinets, and outdoor ring network cabinets and DTU cabinets. The first and second fusion scanning code connection ring network cabinets are matched with the DTU cabinet Set in the outdoor ring cage;

The primary and secondary fusion scanning code connection ring main unit includes primary part and secondary part;

The primary part includes a common box type SF6 fully insulated inflatable cabinet, an air insulated part and a fully insulated ring network cabinet connected in sequence;

The secondary part includes the measurement protection control of the outgoing line cabinet, PT cabinet, incoming line cabinet and metering cabinet;

The high-voltage scanning code opening door connection box has the function of the primary and secondary fusion ring network box of distribution network automation, and realizes the metering of high supply and high meter through the metering cabinet; the transformer is installed in the primary part to collect three-phase current, zero sequence Current; the metering cabinet is equipped with metering current, voltage transformers and meters;

There is a two-dimensional code on the outdoor ring net box, and the opening and closing of the box door is controlled by the two-dimensional code, and it cooperates with the cloud platform to adopt the prefabricated mode of the main equipment. The platform deploys personnel to complete the service.

Further, the outdoor ring net box includes a shell and a bottom frame, and the shell is arranged on the bottom frame; on the shell, the air inlet is set at the lower end of the box door and a detachable dust-proof filter is installed, and the drainage angle is set on the top cover of the shell , the exhaust port is set under the outer eaves of the shell, the bottom plate of the shell is made of galvanized plate and the frame is painted with anti-rust paint, the door of the shell is provided with reinforcing ribs and a waterproof and anti-theft door lock, and a padlock and a limit hook are added Positioning device, the top panel, side panel and door panel of the shell adopt a double-layer structure filled with thermal insulation cotton; the shell and the bottom frame are equipped with grounding copper plates, which are equipped with grounding screws and nuts; the shell and the bottom frame are connected by lifting , using pull-out rings.

Further, a temperature and humidity control device, including a heater and a dehumidifier, is installed in the first and second fusion scanning code-connected ring main unit, and an illumination device is additionally installed.

Further, in the shared box-type SF6 fully insulated inflatable cabinet, the three stations are respectively connected through the three-position load switch, and the three stations are respectively the switch close position, the switch divide position, and the switch ground position; wherein, the switch close position There is a switchable manual electric operating mechanism, an elbow arrester, a fuse and a voltage transformer. The voltage transformer adopts a fully insulated form and has a built-in primary resonance elimination; Elbow arresters, current transformers and zero sequence transformers.

Further, in the common box-type SF6 fully insulated gas cabinet, an SF6 pressure indicator is configured in each independent SF6 air chamber, and a low-pressure opening and closing locking device is installed.

Further, the air insulation part is provided with a current transformer, a fuse and a voltage transformer, and the voltage transformer adopts a fully insulated form and has a built-in primary harmonic elimination.

Further, the fully insulated ring network cabinet is provided with a circuit breaker, an electric operating mechanism, an elbow arrester, a current transformer and a zero-sequence transformer.

Further, in the secondary part, the outlet cabinet includes instrument room, cable room and lower door, mechanism room and middle door, relay room, PT cabinet includes instrument room, cabinet top, relay room, cable room and lower door, and incoming line cabinet Including instrument door, cable room, mechanism room and middle door, relay room.

Further, the DTU cabinet is equipped with a power distribution automation terminal and a backup power supply with functions of remote measurement, remote signaling and remote control, and the two are integrated and installed in the DTU cabinet.

Further, the backup power supply adopts a high-frequency switching power supply module and a valve-regulated lead-acid battery.

The beneficial effects achieved by the utility model are: it has the basic function of the primary and secondary fusion ring net box for distribution network automation, and a metering cabinet with high supply and high meter is added, and a special metering meter and a negative control device are configured. As a whole, it meets the functional requirements of protection, measurement, and electric energy collection. The loop-in loop-out unit and the feeder unit are equipped with high-precision and wide-range current transformers to collect three-phase current and zero-sequence current; the metering cabinet is equipped with special-precision metering current, voltage transformers and meters to ensure metering accuracy. The door-opening connection box adopts the prefabricated mode of the main equipment, and the customer's application for power connection adopts the form of scanning codes. The power supply company will assign a person to connect at the first time, and provide relevant interfaces to ensure that the user can use electricity in the first time, saving time to the greatest extent. The open-door connection box is managed by professionals of the power supply company, and only professionals can operate it, so as to avoid the phenomenon of unauthorized connection and ensure the safety of the power grid and users themselves.

Description of drawings

Fig. 1 is the structural representation of the outdoor ring cage in the utility model embodiment.

Fig. 2 is a schematic diagram of the side structure of the outdoor ring cage in the embodiment of the present invention.

Fig. 3 is a schematic front view of the bottom frame structure of the outdoor ring cage in the embodiment of the present invention.

Fig. 4 is a top view schematic diagram of the bottom frame structure of the outdoor ring cage in the embodiment of the present invention.

Fig. 5 is a schematic side view of the bottom frame structure of the outdoor ring cage in the embodiment of the present invention.

Fig. 6 is a front view of the primary and secondary fusion scanning code-connected ring main unit in the embodiment of the present utility model.

Fig. 7 is a side view of the primary and secondary fusion code scanning and power-connecting ring main unit in the embodiment of the present utility model.

Fig. 8 is a schematic circuit diagram of the primary part in the embodiment of the present invention.

detailed description

The technical solution of the present utility model is described in further detail below in conjunction with the accompanying drawings of the description.

A high-voltage scanning code to open the door connection box, including the first and second fusion scanning code connection ring network cabinets, and outdoor ring network cabinets and DTU cabinets. The first and second fusion scanning code connection ring network cabinets are matched with the DTU cabinet Set in an outdoor ring cage.

Referring to Figure 1-5, the outdoor ring net box includes a shell and a bottom frame, the shell is set on the bottom frame; on the shell, the air inlet is set at the lower end of the box door and a detachable dust-proof filter is installed, and the drainage angle is set on the top of the shell The cover and the exhaust port are set under the outer eaves of the shell. The bottom plate of the shell is made of galvanized sheet and the frame is painted with anti-rust paint. The hook positioning device, the top plate, side plate and door panel of the shell adopt a double-layer structure filled with heat-insulating cotton inside; the shell and the bottom frame are equipped with grounding copper plates, which are matched with grounding screws and nuts; the shell and the bottom frame are connected by a lower lifting method Connection, using pull-out rings.

The bottom frame is reserved for the installation position of the ring network cabinet and the DTU cabinet with one or two integrated scanning codes.

The primary and secondary fusion scanning code connection ring network cabinet includes a primary part and a secondary part. The first and second fusion scan code connection ring network cabinets are equipped with temperature and humidity control devices, including heaters and dehumidifiers, and additional lighting devices.

The primary part includes a common box-type SF6 fully insulated inflatable cabinet, an air insulated part and a fully insulated ring network cabinet connected in sequence, see Figure 8.

In the common box type SF6 fully insulated inflatable cabinet, the three stations are respectively connected through the three-position load switch; among them, the first station is equipped with a switchable manual electric operating mechanism, an elbow arrester, a fuse and a voltage transformer. The voltage transformer is fully insulated and has a built-in primary harmonic elimination; the second station and the third station are equipped with an electric operating mechanism, an elbow arrester, a current transformer and a zero-sequence transformer.

In the common box type SF6 fully insulated inflatable cabinet, an SF6 pressure indicator is configured in each independent SF6 air chamber, and a low-pressure opening and closing locking device is installed.

In the air insulation part, there are current transformers, fuses and voltage transformers. The voltage transformers are fully insulated and have a built-in primary harmonic elimination.

In the fully insulated ring network cabinet, there are circuit breakers, electric operating mechanisms, elbow arresters, current transformers and zero-sequence transformers.

The installation position of the negative control device is reserved in the ring network cabinet for primary and secondary fusion scanning code connection, and fully insulated silicone rubber cables are used.

The secondary part includes the measurement protection control of the outgoing line cabinet, PT cabinet, incoming line cabinet and metering cabinet.

In the secondary part, the outlet cabinet includes instrument room, cable room and lower door, mechanism room and middle door, and relay room; PT cabinet includes instrument room, cabinet top, relay room, cable room and lower door; incoming line cabinet includes instrument door , Cable room, mechanism room and middle door, relay room.

In the DTU cabinet, there is a power distribution automation terminal and a backup power supply with remote measurement, remote signaling, and remote control functions, and the two are integrated and installed in the DTU cabinet.

The backup power supply adopts a high-frequency switching power supply module and a valve-regulated lead-acid battery.

The high-voltage scanning code opening door connection box has the function of the primary and secondary fusion ring network box of distribution network automation, and realizes the measurement of high supply and high meter through the metering cabinet; install transformers in the primary part to collect three-phase current and zero-sequence current; Metering cabinets are equipped with metering current, voltage transformers and meters.

There is a QR code on the outdoor ring net box. The opening and closing of the box door is controlled by the QR code. It cooperates with the cloud platform and adopts the prefabricated mode of the main equipment. After the personnel complete the service, only the corresponding deployment personnel can open the connection box by scanning the code. The form of the two-dimensional code to control the opening and closing of the box door can be realized through the cloud and the box door controller. The code scanning signal is recognized through the cloud, and the controller sends an instruction to open the door or close the door and lock the door.

The above are only preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited to the above-mentioned embodiments, but any equivalent modification or change made by those of ordinary skill in the art according to the content disclosed in the present utility model, All should be included in the scope of protection described in the claims.

Claims (10)

1. A high-voltage scanning code to open the door connection box, characterized in that: The high-voltage scanning code opening door connection box includes a secondary fusion scanning code connection ring network cabinet, and an outdoor ring network cabinet and a DTU cabinet. In an outdoor ring cage; The primary and secondary fusion scanning code connection ring main unit includes primary part and secondary part; The primary part includes a common box type SF6 fully insulated inflatable cabinet, an air insulated part and a fully insulated ring network cabinet connected in sequence; The secondary part includes the measurement protection control of the outgoing line cabinet, PT cabinet, incoming line cabinet and metering cabinet; The high-voltage scanning code opening door connection box has the function of the primary and secondary fusion ring network box of distribution network automation, and realizes the metering of high supply and high meter through the metering cabinet; the transformer is installed in the primary part to collect three-phase current, zero sequence Current; the metering cabinet is equipped with metering current, voltage transformers and meters; Two-dimensional codes are arranged on the outdoor ring net box, and the opening and closing of the box doors are controlled by the two-dimensional codes. 2. A high-voltage scanning code opening door connection box according to claim 1, characterized in that: the outdoor ring net box includes a shell and a bottom frame, the shell is set on the bottom frame; on the shell, the air inlet is set on the box A detachable dust-proof filter is installed at the lower end of the door. The drainage angle is set on the top cover of the shell, and the exhaust port is set under the outer eaves of the shell. The bottom plate of the shell is made of galvanized sheet and the frame is painted with anti-rust paint. It is equipped with reinforcing ribs and adopts waterproof and anti-theft door lock, and is equipped with padlock and limit hook positioning device. The top plate, side plate and door panel of the shell adopt a double-layer structure filled with heat-insulating cotton inside; the shell and the bottom frame are all set to ground The bronze medal is matched to the grounding screw and nut; the shell and the bottom frame are connected through the lifting method, and the pull-type lifting ring is used. 3. A high-voltage scanning code-scanning door-connection box according to claim 1, characterized in that: the first-second fusion scanning code-connection ring network cabinet is equipped with a temperature and humidity control device, including a heater and a dehumidifier , in addition to install lighting devices. 4. A high-voltage code-scanning door-opening connection box according to claim 1, characterized in that: in the shared box type SF6 fully insulated inflatable cabinet, three stations are respectively connected through a three-station load switch, and the three-station The positions are the switch closing position, the switch dividing position, and the switch grounding position; among them, the switch closing position is equipped with a switchable manual electric operating mechanism, an elbow arrester, a fuse and a voltage transformer. The voltage transformer adopts a fully insulated form. Built-in primary harmonic elimination; electric operating mechanism, elbow arrester, current transformer and zero-sequence transformer are installed in the position of the switch and the grounding position of the switch. 5. A high-voltage code-scanning door-opening connection box according to claim 1, characterized in that: in the shared box-type SF6 fully insulated inflatable cabinet, an SF6 pressure indicator is arranged in each independent SF6 air chamber, And install the low air pressure opening and closing locking device. 6. A high-voltage scanning code opening door connection box according to claim 1, characterized in that: the air insulation part is provided with a current transformer, a fuse and a voltage transformer, and the voltage transformer adopts a fully insulated form, with a built-in harmonic elimination. 7. A high-voltage scanning code opening door connection box according to claim 1, characterized in that: the fully insulated ring main unit is provided with a circuit breaker, an electric operating mechanism, an elbow arrester, a current transformer and zero sequence transformer. 8. A high-voltage scanning code opening door connection box according to claim 1, characterized in that: in the secondary part, the outlet cabinet includes an instrument room, a cable room and a lower door, a mechanism room and a middle door, a relay room, a PT The cabinet includes instrument room, cabinet top, relay room, cable room and lower door, and the incoming line cabinet includes instrument door, cable room, mechanism room, middle door and relay room. 9. A high-voltage scanning code opening door connection box according to claim 1, characterized in that: the DTU cabinet is provided with a power distribution automation terminal and a backup power supply with functions of telemetry, remote signaling, and remote control. Phase integration installed in the DTU cabinet. 10. A high-voltage code-scanning door-opening connection box according to claim 9, characterized in that: the backup power supply adopts a high-frequency switching power supply module and a valve-regulated lead-acid battery.

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