CN211790954U - Novel automatic complete equipment for functional modular 10kV cable segmentation cabinet - Google Patents
Novel automatic complete equipment for functional modular 10kV cable segmentation cabinet Download PDFInfo
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- CN211790954U CN211790954U CN201921792710.7U CN201921792710U CN211790954U CN 211790954 U CN211790954 U CN 211790954U CN 201921792710 U CN201921792710 U CN 201921792710U CN 211790954 U CN211790954 U CN 211790954U
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Abstract
The utility model belongs to the power line is once/secondary equipment field, especially relates to a novel automatic complete sets of functional module ization 10kV cable segmentation cabinet. A novel automatic complete equipment of a functional modular 10kV cable section cabinet comprises a primary switch body module, a measurement and control module, a multifunctional power supply management module, an acquisition module and a communication module; the acquisition module acquires EVT voltage and CT current and transmits the EVT voltage and the CT current to the measurement and control module; the multifunctional power supply module supplies power to the measurement and control module; the measurement and control module realizes communication with the master station and the adjacent equipment through the communication module; the measurement and control module sends an instruction to the primary switch body module. The utility model has the advantages that: 1. the power supply to the measurement and control module can be realized through 4 stages such as a line, a commercial power, an electric power storage module and a low-voltage protection module, and the normal operation of the equipment is ensured. 2. The configuration function modularization and the interface standardization design reduce the pressure of spare parts and enhance the reliability of the automatic complete equipment.
Description
Technical Field
The utility model belongs to the power line is once/secondary equipment field, especially relates to a novel automatic complete sets of functional module ization 10kV cable segmentation cabinet.
Background
At present, the automatic complete equipment for the 10kV cable line adopts a mode of adding a DTU (digital terminal Unit) cabinet to a high-voltage switch cabinet, and the interfaces of primary equipment and secondary equipment are debugged before leaving a factory, so that the on-site maintenance and debugging amount is reduced. However, because the primary or secondary equipment technology is imperfect, the requirements of stable operation and subsequent operation and maintenance of the power grid are not fully considered in detail, actual operation problems are frequent, and maintenance is difficult; meanwhile, the operation environment of the distribution automation equipment is very severe (high temperature, high humidity, serious pollution and electromagnetic interference), and the equipment cannot stably and reliably operate. In addition, the existing 10kV cable line depends on a single optical fiber communication transmission mode, and has the defects of instability, large investment and various spare parts, so that the operation and maintenance are difficult.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a to the not enough of above-mentioned prior art, the utility model designs a constitute by 5 independent functional module, simultaneously to all once, the interface of secondary equipment carries out the automatic complete sets of equipment of standardized processing's novel functional module ization 10kV cable segmentation cabinet. The specific technical scheme is as follows:
a novel automatic complete equipment of a functional modular 10kV cable section cabinet comprises a primary switch body module, a measurement and control module, a multifunctional power supply management module, an acquisition module and a communication module; the acquisition module acquires EVT voltage and CT current and transmits the EVT voltage and the CT current to the measurement and control module; the multifunctional power supply module supplies power to the measurement and control module; the measurement and control module realizes communication with the master station and the adjacent equipment through the communication module; the measurement and control module sends an instruction to the primary switch body module;
the multifunctional power supply management module comprises an alternating current power supply input module, a power supply conversion module, a charging and discharging management module, an electric power storage module, a low-voltage protection module and a measurement and control module; the alternating current input module comprises 3 paths of alternating current input, namely a power supply side 220V alternating current power supply input of the PT voltage acquisition module, a load side 220V alternating current power supply input of the PT voltage acquisition module and a mains supply 220V alternating current power supply input; the commercial power 220V alternating current power supply input of the alternating current power supply input module supplies power to the charge-discharge module, the measurement and control module and the switch control module through the power supply conversion module, and the power storage module stores power through the charge-discharge management module; the power storage module supplies power to the low-voltage protection module and the switch control module through the charge and discharge management module, and the charge and discharge management module supplies power to the measurement and control module through the power conversion module; the power side 220V alternating current power supply input of the PT voltage acquisition module of the alternating current power supply input module and the load side 220V alternating current power supply input of the PT voltage acquisition module are directly output to the measurement and control module.
Therefore, a novel automatic complete equipment of function modularization 10kV cable segmentation cabinet comprises 5 independent functional modules, and wherein multifunctional power management module can realize supplying power to observing and controlling the module through 4 stages such as circuit, commercial power, electric power storage module, low-voltage protection module.
Furthermore, the measurement and control module and the multifunctional power management module adopt standardized interfaces, wherein a CT current input interface, a voltage input interface, an on-off state control quantity input interface and a communication input interface of the measurement and control module adopt different standardized interfaces to separate strong current from weak current.
Furthermore, the CT current input interface of the measurement and control module adopts a 6-pin aviation plug standard interface for preventing open circuit and is connected with the CT current acquisition module through a 6-core cable.
Furthermore, a voltage input interface of the measurement and control module adopts a 10-pin aviation plug standard interface and is connected with the EVT voltage application module through a 10-core cable.
Furthermore, the switch state control quantity input interface of the measurement and control module adopts a 16-pin aviation plug standard interface and is connected with the primary switch body module through a 16-core cable.
Furthermore, the output of the multifunctional power supply management module adopts a 6-pin aviation plug standard interface and is connected with the measurement and control module through a 6-core cable.
Furthermore, the multifunctional power supply management module adopts a 6-pin aviation plug standard interface for input, and is electrically connected with the PT acquisition module and commercial alternating current through a 6-core cable.
Furthermore, the communication input interface of the measurement and control module adopts an 8-pin aviation plug standard interface and is connected with the communication module through an 8-core special communication line with an aviation plug.
Furthermore, the communication module adopts optical fiber communication and wireless communication, and the optical fiber communication and the wireless communication are mutually standby and are communicated with the main station and the adjacent equipment.
Further, primary switch body module, communication module, multifunctional power supply management module, collection module and observing and controlling module encapsulate in a complete set of equipment, realize that one, secondary equipment fuse, reduce the secondary equipment who exposes in external environment, improve automatic complete set's weatherability, equipment can realize miniaturization, big redundancy design simultaneously.
The utility model has the advantages that:
1. the power supply to the measurement and control module can be realized through 4 stages such as a line, a commercial power, an electric power storage module and a low-voltage protection module, and the normal operation of the equipment is ensured.
2. The configuration function modularization and the interface standardization design reduce the pressure of spare parts and enhance the reliability of the automatic complete equipment;
3. the design of fusing the primary equipment and the secondary equipment is adopted, so that the secondary equipment exposed in the external environment is reduced, and the weather resistance of the automatic set is improved;
4. the equipment is designed by adopting maintenance-free, miniaturization and large redundancy, is convenient to install and debug, and reduces the requirement on operation and maintenance;
5. and a hybrid communication mode is adopted, and optical fiber communication and wireless communication are mutually standby.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the novel automatic complete equipment for the functional modular 10kV cable segment cabinet of the present invention;
fig. 2 is the utility model discloses a novel functional module ization 10kV cable segmentation cabinet automatic complete sets's one, secondary equipment fuses the structure sketch map.
Detailed description of the preferred embodiments
The invention is described in detail below with reference to the attached drawings and tables:
as shown in fig. 1, the novel automatic complete equipment for the functional modular 10kV cable segment cabinet comprises 5 independent functional modules, namely a primary switch body module, a measurement and control module, a multifunctional power management module, an acquisition module and a communication module; the acquisition module acquires EVT voltage and CT current and transmits the EVT voltage and the CT current to the measurement and control module; the multifunctional power supply module supplies power to the measurement and control module; the measurement and control module realizes communication with the master station and the adjacent equipment through the communication module; the measurement and control module sends an instruction to the primary switch body module; the multifunctional power supply management module comprises an alternating current power supply input module, a power supply conversion module, a charging and discharging management module, an electric power storage module, a low-voltage protection module and a measurement and control module; the alternating current input module comprises 3 paths of alternating current input, namely a power supply side 220V alternating current power supply input of the PT voltage acquisition module, a load side 220V alternating current power supply input of the PT voltage acquisition module and a mains supply 220V alternating current power supply input; the commercial power 220V alternating current power supply input of the alternating current power supply input module supplies power to the charge-discharge module, the measurement and control module and the switch control module through the power supply conversion module, and the power storage module stores power through the charge-discharge management module; the power storage module supplies power to the low-voltage protection module and the switch control module through the charge and discharge management module, and the charge and discharge management module supplies power to the measurement and control module through the power conversion module; the power side 220V alternating current power supply input of the PT voltage acquisition module of the alternating current power supply input module and the load side 220V alternating current power supply input of the PT voltage acquisition module are directly output to the measurement and control module; the communication module adopts optical fiber communication and wireless communication, and the optical fiber communication and the wireless communication are mutually standby and are communicated with the main station and adjacent equipment.
The CT current input interface, the voltage input interface, the on-off state control quantity input interface and the communication input interface of the measurement and control module adopt different standardized interfaces to carry out strong and weak current separation.
The CT current input interface of the measurement and control module adopts a 6-pin aviation plug standard interface for preventing open circuit and is connected with the CT current acquisition module through a 6-core cable. The measurement and control module CT current 6-core plug-in connector interface pins are defined as follows:
| pin number | Marking | Description of the |
| 1 | Ia | Phase A current |
| 2 | Ib | |
| 3 | Ic | C- |
| 4 | In | Common terminal of phase current |
| 5 | I0 | |
| 6 | I0com | Zero sequence current common terminal |
The voltage input interface of the measurement and control module adopts a 10-pin aviation plug standard interface and is connected with the EVT voltage application module through a 10-core cable. The voltage input interface pins of the measurement and control module are defined as follows:
the switch state control quantity input interface of the measurement and control module adopts a 16-pin aviation plug standard interface and is connected with the primary switch body module through a 16-core cable. The input interface pins of the switch state control quantity of the measurement and control module are defined as follows:
the output of the multifunctional power management module adopts a 6-pin aviation plug standard interface and is connected with the measurement and control module through a 6-core cable. The definition of the output interface pin of the multifunctional power management module is as follows:
| pin number | Marking | Description of the |
| 1 | Ua+ | Input side PT power supply Ua |
| 2 | Ub+ | Input side PT |
| 3 | Ub- | Output side |
| 4 | Uc- | Output side PT power Uc |
| 5 | DC24+ | DC24 power source + |
| 6 | DC24- | DC24 Power supply |
The input of the multifunctional power management module adopts a 6-pin aviation plug standard interface and is electrically connected with the PT acquisition module and commercial alternating current through a 6-core cable. The input interface pins of the multifunctional power management module are defined as follows:
| pin number | Marking | Description of the |
| 1 | Ua+ | Input side PT power supply Ua |
| 2 | Ub+ | Input side PT |
| 3 | Ub- | Output side |
| 4 | Uc- | Output side PT power Uc |
| 5 | Us | Commercial power alternating |
| 6 | Us’ | Commercial power alternating current power supply' |
The communication input interface of the measurement and control module adopts an 8-pin aviation plug standard interface and is connected with the communication module through an 8-core special communication line with an aviation plug. The communication input interface pins of the measurement and control module are defined as follows:
as shown in fig. 2, the primary switch body module, the communication module, the multifunctional power management module, and the measurement and control module in the acquisition module are packaged in a complete equipment; as shown in fig. 2, the primary switch body module is packaged at position 1 in fig. 2, the acquisition EVT part of the acquisition module is packaged at position 2 in fig. 2, the PT acquisition module in the ac power input module of the multifunctional power management module is located at position 3 in fig. 2, the rest modules of the multifunctional power management module are packaged at position 4 in fig. 2, the measurement and control module is packaged at position 5 in fig. 2, and the CT part of the acquisition module is packaged at position 6 in fig. 2; complete sets height 1480mm after the collection module encapsulation, wide 875mm, dark 1370mm realizes one, the secondary equipment fuses, reduces the secondary equipment that exposes in external environment, improves the weatherability of automatic complete set, and equipment can realize miniaturization, big redundancy design simultaneously.
Although particular embodiments of the present invention have been described and illustrated in detail, it should be noted that various changes and modifications could be made to the above-described embodiments without departing from the spirit of the invention and the scope of the appended claims.
Claims (10)
1. A novel automatic complete equipment of a functional modular 10kV cable section cabinet comprises a primary switch body module, a measurement and control module, a multifunctional power supply management module, an acquisition module and a communication module; the acquisition module acquires EVT voltage and CT current and transmits the EVT voltage and the CT current to the measurement and control module; the multifunctional power supply module supplies power to the measurement and control module; the measurement and control module realizes communication with the master station and the adjacent equipment through the communication module; the measurement and control module sends an instruction to the primary switch body module;
the multifunctional power supply management module is characterized by comprising an alternating current power supply input module, a power supply conversion module, a charge and discharge management module, an electric power storage module, a low-voltage protection module and a measurement and control module; the alternating current input module comprises 3 paths of alternating current input, namely a power supply side 220V alternating current power supply input of the PT voltage acquisition module, a load side 220V alternating current power supply input of the PT voltage acquisition module and a mains supply 220V alternating current power supply input; the commercial power 220V alternating current power supply input of the alternating current power supply input module supplies power to the charge-discharge module, the measurement and control module and the switch control module through the power supply conversion module, and the power storage module stores power through the charge-discharge management module; the power storage module supplies power to the low-voltage protection module and the switch control module through the charge and discharge management module, and the charge and discharge management module supplies power to the measurement and control module through the power conversion module; the power side 220V alternating current power supply input of the PT voltage acquisition module of the alternating current power supply input module and the load side 220V alternating current power supply input of the PT voltage acquisition module are directly output to the measurement and control module.
2. The novel automatic complete equipment for the functional modular 10kV cable section cabinet according to claim 1, wherein the measurement and control module and the multifunctional power management module adopt standardized interfaces; the CT current input interface, the voltage input interface, the on-off state control quantity input interface and the communication input interface of the measurement and control module adopt different standardized interfaces.
3. The novel automatic complete equipment for the functional modular 10kV cable section cabinet according to claim 2, wherein a CT current input interface of the measurement and control module adopts a 6-pin aviation plug standard interface for preventing an open circuit and is connected with a CT current acquisition module through a 6-core cable.
4. The novel automatic complete equipment for the functional modular 10kV cable section cabinet as claimed in claim 2, wherein a voltage input interface of the measurement and control module adopts a 10-pin aviation plug standard interface and is connected with the EVT voltage application module through a 10-core cable.
5. The novel automatic complete equipment for the functional modular 10kV cable section cabinet according to claim 2, wherein a switch state control quantity input interface of the measurement and control module adopts a 16-pin aviation plug standard interface and is connected with a primary switch body module through a 16-core cable.
6. The novel automatic complete equipment for the functional modular 10kV cable section cabinet as claimed in claim 2, wherein the output of the multifunctional power management module adopts a 6-pin aviation plug standard interface and is connected with the measurement and control module through a 6-core cable.
7. The novel automatic complete equipment for the functional modular 10kV cable segment cabinet as claimed in claim 2, wherein the communication input interface of the measurement and control module adopts an 8-pin aviation plug standard interface and is connected with the communication module through an 8-core dedicated communication line with an aviation plug.
8. The novel functional modular 10kV cable segment cabinet automatic complete equipment as claimed in claim 2, wherein the multifunctional power management module input adopts 6-pin aviation plug standard interface, and is electrically connected with a PT acquisition module and a commercial alternating current through a 6-core cable.
9. The novel automatic complete equipment for a functional modular 10kV cable section cabinet as claimed in claim 1, wherein the communication module adopts optical fiber communication and wireless communication.
10. The novel automatic complete equipment for the functional modular 10kV cable section cabinet as claimed in claim 1, wherein the primary switch body module, the communication module, the multifunctional power management module, the acquisition module and the measurement and control module are packaged in a complete equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921792710.7U CN211790954U (en) | 2019-10-24 | 2019-10-24 | Novel automatic complete equipment for functional modular 10kV cable segmentation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921792710.7U CN211790954U (en) | 2019-10-24 | 2019-10-24 | Novel automatic complete equipment for functional modular 10kV cable segmentation cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN211790954U true CN211790954U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921792710.7U Active CN211790954U (en) | 2019-10-24 | 2019-10-24 | Novel automatic complete equipment for functional modular 10kV cable segmentation cabinet |
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| Country | Link |
|---|---|
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