Auxiliary monitoring equipment for power transformation and distribution substation

Abstract

The utility model discloses auxiliary monitoring equipment for a power transformation and distribution substation, which comprises a monitoring equipment box and a current and voltage data acquisition module, a movable top cover is movably inserted into the top end of the monitoring equipment box, and a waterproof barrier strip is fixedly connected to the outer side of the bottom end of the movable top cover. Two electric push rods are symmetrically and fixedly mounted at the top ends of the two sides of the interior of the monitoring equipment box, a cooling fan is fixedly mounted at the top end of the interior of the monitoring equipment box, and two ventilation taper pipes are symmetrically arranged at the bottom end of the interior of the monitoring equipment box. The monitoring equipment box is installed outside the power transformation and distribution substation, the external monitoring equipment box can be effectively prevented from being damaged when a fire disaster occurs due to serious internal faults of the power transformation and distribution substation, the built-in standby power supply and the external power supply are connected through the overvoltage protector, and it is ensured that equipment can still operate continuously when the external power supply fails. Key data are stored, and an important basis is provided for accident investigation and analysis.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of substation monitoring, in particular to a substation auxiliary monitoring equipment. BACKGROUND

[0002] The substation is an important facility for transforming, concentrating and distributing electric energy in the power system, including two parts of the substation and the distribution station, the main function of the substation is to change the voltage, that is, to raise or lower the voltage generated by the power plant, so as to transport the electric energy over a long distance or meet the voltage demand of different users, the main function of the distribution station is to receive electric energy and distribute it to each user or electric equipment, and at the same time, to control and protect the electric energy.

[0003] In the substation, various electrical equipment is provided, in order to ensure the safety of the substation, the electrical equipment inside the substation needs to be checked and maintained, including current, voltage, power, temperature, humidity and other factors to avoid accidents, however, the traditional current and voltage detection device is installed inside the substation, when the electrical equipment fails, it may be damaged and cannot transmit information in time and effectively save, thereby expanding the loss, therefore, an auxiliary monitoring equipment for the substation is urgently needed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an auxiliary monitoring equipment for the substation to solve the problems in the background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: an auxiliary monitoring equipment for the substation, comprising a monitoring equipment box and a current and voltage data acquisition module, a movable top cover is movably connected to the top end of the monitoring equipment box, a waterproof strip is fixedly connected to the bottom end of the movable top cover, two electric push rods are symmetrically fixedly installed at the top end of the inside of the monitoring equipment box, a cooling fan is fixedly installed at the top end of the inside of the monitoring equipment box, two air exchange cone tubes are symmetrically arranged at the bottom end of the inside of the monitoring equipment box, two threading pipes are symmetrically fixedly installed at the bottom end of the monitoring equipment box, and a rainfall sensor is fixedly installed at one side of the top end of the movable top cover.

[0006] Preferably, a PLC control box, a data storage module, a data processing module, a backup power supply, an overvoltage protector and a wireless data transmission module are fixedly installed in the monitoring equipment box, the wireless data transmission module is fixedly installed at the top end of the threading pipe located at the front end, and the outer end of the transmission antenna of the wireless data transmission module passes through the threading pipe and is located outside the monitoring equipment box.

[0007] Preferably, a box door is rotatably connected to the front end of the monitoring equipment box through a hinge, and an installation support is fixedly connected to the rear end of the monitoring equipment box.

[0008] Preferably, the top end of the monitoring equipment box is provided with a heat dissipation hole, and the part of the top end of the monitoring equipment box located outside the heat dissipation hole is fixedly connected with a heat dissipation cone pipe, and the outer top end of the heat dissipation cone pipe is fixedly connected with a protective cover.

[0009] Preferably, the PLC control box is connected with the current-voltage data acquisition module, the heat dissipation fan, the electric push rod, the data storage module, the data processing module, the backup power supply, the rain sensor and the wireless data transmission module through wires, the backup power supply is connected with the heat dissipation fan, the electric push rod, the data storage module, the data processing module, the overvoltage protector, the rain sensor and the wireless data transmission module through wires, the data processing module is connected with the current-voltage data acquisition module, the data storage module and the wireless data transmission module through wires, and the wireless data transmission module is connected with a control terminal and a mobile terminal through wireless signals.

[0010] Preferably, a plurality of current-voltage data acquisition modules are arranged, the detection end of the current-voltage data acquisition module is connected with the electrical equipment in the transformer substation through wires, and the backup power supply is connected with an external power supply through the overvoltage protector and wires.

[0011] Preferably, the ventilation cone pipe is designed in a conical shape, and the top end of the ventilation cone pipe is small in diameter.

[0012] Preferably, the inner side of the waterproof baffle is connected with the outer side of the monitoring equipment box.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The current-voltage data acquisition module is used for monitoring the current and voltage of the electrical equipment in the transformer substation in real time, the data processing module is used for analyzing and processing the collected data, the real-time transmission, storage and abnormal alarm of data are realized, the safety monitoring level of the electrical equipment is improved, the PLC control box is used for intelligent control, the working state of the movable top cover and the heat dissipation fan is automatically adjusted according to the detection of the rain sensor, the heat dissipation requirement of the equipment is ensured, the rainwater is effectively prevented from entering, and the safety and stability of the equipment are improved.

[0015] The monitoring equipment box is installed outside the transformer substation, can effectively avoid being damaged when the internal fault of the transformer substation is serious and a fire is caused, is connected with the external power supply through the overvoltage protector by the built-in backup power supply, ensures that the equipment can continue to operate when the external power supply fails, saves critical data, and provides an important basis for accident investigation and analysis. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the main body three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is the main body second state structure schematic view in the utility model;

[0018] Figure 3 It is the main body internal structure schematic view in the utility model;

[0019] Figure 4 It is the main body rear side structure schematic view in the utility model;

[0020] Figure 5 It is the protective cover bottom structure schematic view in the utility model.

[0021] In the drawing: 1-monitoring equipment box, 2-current voltage data acquisition module, 3-box door, 4-mobile top cover, 5-protective cover, 6-radiator fan, 7-electric push rod, 8-PLC control box, 9-data storage module, 10-data processing module, 11-backup power supply, 12-voltage protector, 13-wireless data transmission module, 14-gas exchange cone tube, 15-threading pipe, 16-waterproof strip, 17-mounting bracket, 18-radiator cone tube, 19-rainfall sensor. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] Please refer to Figures 1-5 The utility model provides an embodiment: a kind of auxiliary monitoring equipment of power distribution station, including monitoring equipment box 1 and current voltage data acquisition module 2, the top end of monitoring equipment box 1 is movably inserted with mobile top cover 4, the bottom end outside of mobile top cover 4 is fixedly connected with waterproof strip 16, the inside both sides top end of monitoring equipment box 1 is fixedly installed with two electric push rods 7, when it is not raining, mobile top cover 4 can be opened by the control electric push rod 7 of PLC control box 8 and extend to radiate, the inside top end of monitoring equipment box 1 is fixedly installed with radiator fan 6, the inside bottom end of monitoring equipment box 1 is equipped with two gas exchange cone tubes 14, the bottom end of monitoring equipment box 1 is fixedly installed with two threading pipes 15, the top end side of mobile top cover 4 is fixedly installed with rainfall sensor 19.

[0024] The inner part of the monitoring equipment box 1 is respectively fixedly provided with a PLC control box 8, a data storage module 9, a data processing module 10, a backup power supply 11, an overvoltage protector 12 and a wireless data transmission module 13. The wireless data transmission module 13 is fixedly arranged at the top end of the wire-through pipe 15 located at the front end, and the outer end of the transmission antenna of the wireless data transmission module 13 penetrates through the wire-through pipe 15 and is located outside the monitoring equipment box 1. The front end of the monitoring equipment box 1 is hingedly connected with a box door 3. The rear end of the monitoring equipment box 1 is fixedly connected with a mounting bracket 17. The top end of the monitoring equipment box 1 is provided with a heat dissipation hole. The part of the top end of the monitoring equipment box 1 located outside the heat dissipation hole is fixedly connected with a heat dissipation cone pipe 18. The outer top end of the heat dissipation cone pipe 18 is fixedly connected with a protective cover 5. In the rain, heat dissipation is achieved through the heat dissipation fan 6 and the heat dissipation hole.

[0025] The PLC control box 8 is wirelessly connected with the current-voltage data acquisition module 2, the heat dissipation fan 6, the electric push rod 7, the data storage module 9, the data processing module 10, the backup power supply 11, the rain sensor 19 and the wireless data transmission module 13. The backup power supply 11 is wirelessly connected with the heat dissipation fan 6, the electric push rod 7, the data storage module 9, the data processing module 10, the overvoltage protector 12, the rain sensor 19 and the wireless data transmission module 13. The data processing module 10 is wirelessly connected with the current-voltage data acquisition module 2, the data storage module 9 and the wireless data transmission module 13. The wireless data transmission module 13 is wirelessly connected with a control terminal and a mobile terminal. The heat dissipation effect of the monitoring equipment box 1 is effectively controlled through the control program set by the PLC control box 8. When an abnormality occurs, the abnormal information is sent in time.

[0026] The current-voltage data acquisition module 2 is provided with a plurality of current-voltage data acquisition modules 2. The detection end of the current-voltage data acquisition module 2 is wirelessly connected with the electrical equipment inside the transformer substation. According to the number of electrical equipment, each current-voltage data acquisition module 2 is connected with different electrical equipment to monitor the current-voltage. The backup power supply 11 is wirelessly connected with the overvoltage protector 12 and the external power supply. When the external power supply fails, it can be cut off in time to protect the equipment inside the monitoring equipment box 1 from being damaged.

[0027] The ventilation cone pipe 14 is designed in a conical shape, and the top end of the ventilation cone pipe 14 has a smaller diameter. The design of the ventilation cone pipe 14 can effectively prevent rainwater from seeping in from the bottom end of the monitoring equipment box 1. The inner side of the waterproof baffle 16 is in contact with the outer side of the monitoring equipment box 1. Through the waterproof baffle 16 and the protective cover 5, rainwater can be effectively prevented from seeping in from the top end of the monitoring equipment box 1 to protect the equipment inside the monitoring equipment box 1.

[0028] Working principle: in the use process, first of all, set the control program and safety threshold through PLC control box 8, then install the monitoring equipment box 1 outside the transformer substation through the mounting bracket 17, install the current voltage data acquisition module 2 inside the transformer substation, and connect each current voltage data acquisition module 2 on different electrical equipment according to the number of electrical equipment to monitor the current voltage, when starting monitoring, PLC control box 8 controls the electric push rod 7 to extend, the telescopic end of the electric push rod 7 drives the movable top cover 4 to move upwards away from the top end of the monitoring equipment box 1 to cool the inside of the monitoring equipment box 1, the current voltage data acquisition module 2 transmits the detected data to the data processing module 10 in real time, the data processing module 10 analyzes and processes the current voltage data, and transmits the processed data to the data storage module 9 and the wireless data transmission module 13 respectively, the data storage module 9 stores the received data, and the wireless data transmission module 13 transmits the data to the staff control terminal or mobile terminal in real time, when the rain sensor 19 detects rain, the PLC control box 8 controls the electric push rod 7 to retract, the telescopic end of the electric push rod 7 drives the movable top cover 4 to move downwards to the bottom end of the movable top cover 4 close to the top end of the monitoring equipment box 1, and the waterproof strip 16 is inserted outside the monitoring equipment box 1, then control the cooling fan 6 to open, the cooling fan 6 exhausts the hot air in the monitoring equipment box 1 through the cooling cone tube 18, at the same time, the monitoring equipment box 1 supplies air to the inside through the air exchange cone tube 14 at the bottom end for air exchange, the rain is prevented from flowing into the monitoring equipment box 1 through the cooling cone tube 18 by the shielding of the protective cover 5, the conical design of the bottom air exchange cone tube 14 can prevent rainwater from seeping in, and the safety of the whole device is improved, when the current voltage data acquisition module 2 detects that the current voltage of the electrical equipment inside the transformer substation is abnormal, the PLC control box 8 receives the abnormal signal, transmits the abnormal information to the control terminal or mobile terminal through the wireless data transmission module 13 to remind the staff to handle, when the internal fault of the transformer substation is serious and a fire occurs, the monitoring equipment box 1 located outside can effectively avoid being damaged, at the same time, the internal standby power supply 11 can continue to operate to save the abnormal data of the electrical equipment for investigation and analysis.

[0029] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An auxiliary monitoring device for a power substation, comprising a monitoring device box (1) and a current and voltage data acquisition module (2), characterized in that: The top of the monitoring device box (1) is movably connected to a movable top cover (4), the outer side of the bottom end of the movable top cover (4) is fixedly connected to a waterproof stop bar (16), two electric push rods (7) are symmetrically fixedly installed on the top ends of both sides of the interior of the monitoring device box (1), a cooling fan (6) is fixedly installed on the top end of the interior of the monitoring device box (1), two ventilation cones (14) are symmetrically provided on the bottom end of the interior of the monitoring device box (1), two threading tubes (15) are symmetrically fixedly installed on the bottom end of the monitoring device box (1), and a rain sensor (19) is fixedly installed on one side of the top end of the movable top cover (4).

2. The auxiliary monitoring device for a power substation according to claim 1, characterized in that: A PLC control box (8), a data storage module (9), a data processing module (10), a backup power supply (11), an overvoltage protector (12) and a wireless data transmission module (13) are fixedly installed inside the monitoring equipment box (1), and the wireless data transmission module (13) is fixedly installed on the top of the threading tube (15) located at the front end, and the outer end of the transmission antenna of the wireless data transmission module (13) passes through the threading tube (15) and is located outside the monitoring equipment box (1).

3. The auxiliary monitoring device for a power substation according to claim 1, characterized in that: The front end of the monitoring device box (1) is rotatably connected to a box door (3) via a hinge, and the rear end of the monitoring device box (1) is fixedly connected to a mounting bracket (17).

4. The auxiliary monitoring device for a power substation according to claim 1, characterized in that: A heat dissipation hole is provided at the top of the monitoring device box (1); a heat dissipation cone (18) is fixedly connected to the portion of the top of the monitoring device box (1) located outside the heat dissipation hole; and a protective cover (5) is fixedly connected to the top of the outside of the heat dissipation cone (18).

5. The auxiliary monitoring device for a power substation according to claim 2, characterized in that: The PLC control box (8) is respectively connected to the current and voltage data acquisition module (2), the cooling fan (6), the electric push rod (7), the data storage module (9), the data processing module (10), the backup power supply (11), the rain sensor (19) and the wireless data transmission module (13) by wired electrical connection; the backup power supply (11) is respectively connected to the cooling fan (6), the electric push rod (7), the data storage module (9), the data processing module (10), the overvoltage protector (12), the rain sensor (19) and the wireless data transmission module (13) by wired electrical connection; the data processing module (10) is respectively connected to the current and voltage data acquisition module (2), the data storage module (9) and the wireless data transmission module (13) by wired electrical connection; and the wireless data transmission module (13) is respectively connected to the control terminal and the mobile terminal by wireless signal.

6. The auxiliary monitoring equipment for a power substation according to claim 2, characterized in that: The current and voltage data acquisition modules (2) are provided in plurality, the detection ends of the current and voltage data acquisition modules (2) are electrically connected to the electrical equipment inside the substation via a wired connection, and the backup power supply (11) is electrically connected to the external power supply via a wired connection via the overvoltage protector (12).

7. The auxiliary monitoring device for a power substation according to claim 1, characterized in that: The ventilation cone (14) is designed to be conical, and the top end of the ventilation cone (14) has a smaller diameter.

8. The auxiliary monitoring device for a power substation according to claim 1, characterized in that: The inner side of the waterproof strip (16) is in contact with the outer side of the monitoring equipment box (1).

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