CN204832419U - Join in marriage power grid operation analysis and failure diagnosis device - Google Patents

Abstract

The utility model relates to a distribution network operation analysis and fault diagnosis device, which solves the problem that it is difficult to determine the fault location of the distribution network. A distribution network operation analysis and fault diagnosis device, including MCU, Haixun real-time database, voltage monitoring equipment, leakage protector monitoring equipment, power consumption information collection equipment, geographic information storage equipment and alarm devices, the voltage monitoring equipment, The leakage protector monitoring equipment and the electricity consumption information collection equipment are respectively connected to the Haixun real-time database, and the Haixun real-time database, the geographical information storage device and the alarm device are respectively connected to the MCU.

Description

A distribution network operation analysis and fault diagnosis device

technical field

The utility model relates to a distribution network operation analysis and fault diagnosis device.

Background technique

The distribution network is composed of overhead lines, cables, towers, distribution transformers, isolating switches and other power equipment, and plays a role in distributing electric energy in the power network. However, it is difficult to accurately determine the location of the fault in the existing distribution network, which means that when the distribution network fails, it will take a long time for the power company to determine the location of the fault and restore power transmission.

Contents of the invention

The problem to be solved by the utility model is to provide a distribution network operation analysis and fault diagnosis device to quickly determine the location of the distribution network fault.

In order to solve the above problems, the utility model adopts the following technical solutions:

A distribution network operation analysis and fault diagnosis device, including MCU, Haixun real-time database, voltage monitoring equipment, leakage protector monitoring equipment, power consumption information collection equipment, geographic information storage equipment and alarm devices, the voltage monitoring equipment, The leakage protector monitoring equipment and the electricity consumption information collection equipment are respectively connected with the Haixun real-time database, and the Haixun real-time database, the geographical information storage device and the alarm device are respectively connected with the MCU.

In the utility model, the Haixun real-time database obtains the voltage data information of different positions of the distribution network through the voltage monitoring equipment, and the MCU selects whether to send a low-voltage alarm signal according to the voltage data information of the Haixun real-time database; the Haixun real-time database passes through the leakage protector The monitoring equipment obtains the overload load information of the distribution network, and the MCU chooses whether to send an overload load signal according to the overload load information of the Haixun real-time database; The MCU chooses how to distribute electric energy according to the power information in the Haixun real-time database; the MCU sends out an alarm signal through the alarm device, so that the information of the distribution network failure can be quickly obtained by the power company; the MCU obtains users in different locations through the geographic information storage device In addition, the MCU stores user information, voltage data information, overload load information and power information in the Haixun real-time database in the form of a one-to-one array. When a fault occurs in the distribution network, the MCU will call out the user information, voltage data information, overload load information and power information from the Haixun real-time database to realize timely and accurate judgment of the location of the fault.

Further, the MCU is connected with a data line, the geographical information storage device is provided with a communication interface, and the data line is inserted into the communication interface to connect the MCU with the geographical information storage device. In such a design, the geographic information storage device is removed from the MCU to update data.

Further, the geographic information storage device is provided with a first splint on the end face on one side of the communication interface, and a first card slot is provided on the outside of the first splint, and the geographic information storage device is located A second splint is provided on the end face, and a second clamping groove is provided on the outside of the second splint. The distribution network operation analysis and fault diagnosis device also includes a locking ring, and the locking ring is sleeved on the first splint and the first splint. On the second splint, after the locking ring moves axially, one side of the locking ring is inserted into the first slot, and the other side is inserted into the second slot. The first splint, the second splint and the locking ring are used to strengthen the connection strength between the geographical information storage device and the data line.

Further, a first protrusion and a second protrusion are provided on the outside of the first splint, and the first protrusion and the second protrusion respectively extend away from the second splint, and the first protrusion and the second The first clamping groove is formed between the protrusions, a third protrusion and a fourth protrusion are provided on the outside of the second splint, and the third protrusion and the fourth protrusion respectively extend away from the first splint, The second locking groove is formed between the third protrusion and the fourth protrusion. Such design limits the position of the locking ring on the first clamping plate and the second clamping plate.

Further, the outer surface of the first splint is inclined, and the outer surface of the first splint on the side of the geographic information storage device is closer to the data line than the outer surface of the first splint on the side away from the geographic information storage device. In such a design, when one side of the locking ring is inserted into the first slot and the other side is inserted into the second slot, the data line is clamped between the first splint and the second splint, and the first splint squeezes the data line. The wire is deformed so as to prevent the axial movement of the data wire relative to the geographic information storage device.

Further, the outer surface of the second splint is inclined, and the outer surface of the second splint on the side of the geographic information storage device is closer to the data line than the outer surface of the second splint on the side away from the geographic information storage device. In such a design, when one side of the locking ring is inserted into the first slot and the other side is inserted into the second slot, the data line is clamped between the first splint and the second splint, and the second splint squeezes the data line. The wire is deformed so as to prevent the axial movement of the data wire relative to the geographic information storage device.

Description of drawings

Fig. 1 is a schematic structural diagram of a distribution network operation analysis and fault diagnosis device in a preferred embodiment of the present invention;

Fig. 2 is a schematic structural diagram of some geographical information storage devices in a preferred embodiment of the present invention.

Detailed ways

Referring to Figure 1, a distribution network operation analysis and fault diagnosis device, including MCU1, Haixun real-time database 2, voltage monitoring equipment 3, leakage protector monitoring equipment 4, power consumption information collection equipment 5, geographic information storage equipment 6 and Alarm device 7, wherein, voltage monitoring equipment 3, leakage protector monitoring equipment 4 and power consumption information collection equipment 5 are respectively connected with Haixun real-time database 2, and Haixun real-time database 2, geographical information storage device 6 and alarm device 7 are respectively connected with MCU1 connection.

Referring to Figure 1, during the working process of the distribution network operation analysis and fault diagnosis device, Haixun real-time database 2 obtains voltage data information at different locations of the distribution network through voltage monitoring equipment 3, and MCU1 according to the voltage data information of Haixun real-time database 2, Choose whether to send a low-voltage alarm signal; Haixun real-time database 2 obtains the overload load information of the distribution network through the leakage protector monitoring device 4, and MCU1 chooses whether to send an overload load signal according to the overload load information of Haixun real-time database 2; Haixun real-time The database 2 acquires the power information that the user will consume per unit time through the user information collection device 5, and the MCU1 chooses how to distribute the power according to the power information of the Haixun real-time database 2; the MCU1 sends out an alarm signal through the alarm device 7, so that the distribution network The information of failure is quickly obtained by the power company; MCU1 obtains user information in different locations through geographic information storage device 6, and MCU1 stores user information, voltage data information, overload load information, and power information in a one-to-one array form, Stored in Haixun real-time database 2. When a fault occurs in the distribution network, MCU1 will call out user information, voltage data information, overload load information and power information from Haixun real-time database 2, so as to realize timely and accurate judgment of the location of the fault.

1 and 2, the MCU1 is connected with a data line 11, the geographical information storage device 6 is provided with a communication interface 61, and the data line 11 is inserted into the communication interface 61 to connect the MCU1 with the geographical information storage device 6. In order to increase the connection strength between the data line 11 and the communication interface 61, in this embodiment, the end face of the geographic information storage device 6 located on the side of the communication interface 61 is provided with a first splint 62, and the outside of the first splint 62 is provided with a first card. Slot 64, the geographic information storage device 6 is provided with a second splint 63 on the end face on the other side of the communication interface 61, and the outside of the second splint 63 is provided with a second card slot 65, and the distribution network operation analysis and fault diagnosis device also includes The locking ring 8, the locking ring 8 is sleeved on the first splint 62 and the second splint 63, during the axial movement of the locking ring 8 away from the geographical information storage device 6, one side of the locking ring 8 is inserted into the first The other side of the clamping slot 64 is inserted into the second clamping slot 65 , so that the data line 11 is clamped between the first clamping plate 62 and the second clamping plate 63 .

Referring to FIG. 2 , specifically, a first protrusion 6221 and a second protrusion 6222 are provided on the outside of the first splint 62 , and the first protrusion 6221 and the second protrusion 6222 extend away from the second splint 63 respectively. The first locking groove 64 is formed between the protrusion 6221 and the second protrusion 6222, and the third protrusion 6321 and the fourth protrusion 6322 are arranged on the outside of the second clamping plate 63, and the third protrusion 6321 and the fourth protrusion 6322 are respectively Extending away from the first clamping plate 62 , the second locking groove 65 is formed between the third protrusion 6321 and the fourth protrusion 6322 . During the axial movement of the locking ring 8 away from the geographical information storage device 6, the locking ring 8 presses the first protrusion 6221 to elastically deform and then passes through the first protrusion 6221, so as to realize the locking ring 8 on one side. Insert it into the first card slot 64; similarly, during the axial movement of the locking ring 8 in the direction away from the geographical information storage device 6, the locking ring 8 presses the third protrusion 6321 and passes through the third protrusion 6321 after being elastically deformed. Lift 6321, so that the other side of the locking ring 8 can be inserted into the second locking groove 65. When one side of the locking ring 8 is inserted into the first clamping slot 64 and the other side is inserted into the second clamping slot 65, the data line 11 still cannot be firmly clamped between the first clamping plate 62 and the second clamping plate 63, Then the locking ring 8 continues to move axially away from the geographical information storage device 6, so that the locking ring 8 can pass through the second protrusion 6222 after being elastically deformed by pressing the second protrusion 6222, and the locking ring 8 can squeeze The fourth protrusion 6322 passes through the fourth protrusion 6322 after being elastically deformed. In other embodiments of the present utility model, the first splint is recessed to form the first clamping groove, and the second clamping plate is retracted to form the second clamping groove.

2, in this embodiment, in order to further strengthen the connection strength between the data line 11 and the communication interface 61, in this embodiment, the outer surface 622 of the first splint 62 is an inclined plane, and the first splint 62 is located at the geographical information storage device 6-1. The outer side 622 of the side is closer to the data line 11 than the outer side 622 of the first splint 62 away from the side of the geographical information storage device 6; The outer surface 632 of the second splint 63 is closer to the data line 11 than the outer surface 632 of the side of the second splint 63 away from the geographical information storage device 6 . Therefore, when one side of the adjusting nut 8 is inserted into the first slot 64 and the other end is inserted into the second slot 65, the end of the first clamping plate 62 away from the geographical information storage device 6 and the second clamping plate 63 are away from the geographical information storage device 6 One ends are close to each other to clamp the data line 11 . In other embodiments of the present utility model, one of the outer surfaces of the first splint and the second splint is provided with a slope.

The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Those skilled in the art should understand that the present invention includes but is not limited to the accompanying drawings and the content described in the specific embodiment above. . Any modifications that do not depart from the functional and structural principles of the present invention will be included in the scope of the claims.

Claims (6)

1. A distribution network operation analysis and fault diagnosis device, characterized in that: comprising MCU, Haixun real-time database, voltage monitoring equipment, leakage protector monitoring equipment, power consumption information collection equipment, geographic information storage equipment and alarm device, The voltage monitoring equipment, leakage protector monitoring equipment and electricity information collection equipment are respectively connected to the Haixun real-time database, and the Haixun real-time database, geographical information storage device and alarm device are respectively connected to the MCU. 2. The distribution network operation analysis and fault diagnosis device according to claim 1, characterized in that: said MCU is connected with a data line, said geographic information storage device is provided with a communication interface, and the data line is inserted into the communication interface, In order to connect the MCU with the geographic information storage device. 3. The distribution network operation analysis and fault diagnosis device as claimed in claim 2, characterized in that: the geographical information storage device is provided with a first splint on the end face on one side of the communication interface, and the outer side of the first splint A first card slot is provided, and a second splint is provided on the end face of the geographical information storage device on the other side of the communication interface, and a second card slot is provided on the outside of the second splint, and the distribution network operation analysis and The fault diagnosis device also includes a locking ring, which is sleeved on the first splint and the second splint. After the locking ring moves axially, one side of the locking ring is inserted into the first slot, and the other side of the locking ring is inserted into the first clamping groove. side into the second card slot. 4. The distribution network operation analysis and fault diagnosis device according to claim 3, characterized in that: a first protrusion and a second protrusion are provided on the outside of the first splint, and the first protrusion and the second protrusion The protrusions respectively extend away from the second splint, the first locking groove is formed between the first protrusion and the second protrusion, a third protrusion and a fourth protrusion are provided on the outside of the second splint, The third protrusion and the fourth protrusion respectively extend away from the first splint, and the second locking groove is formed between the third protrusion and the fourth protrusion. 5. The distribution network operation analysis and fault diagnosis device according to claim 3, characterized in that: the outer surface of the first splint is an inclined plane, and the outer surface of the first splint on one side of the geographical information storage device is more than The outer surface of the first splint away from the geographic information storage device is close to the data line. 6. The distribution network operation analysis and fault diagnosis device as claimed in claim 3, characterized in that: the outer surface of the second splint is an inclined plane, and the outer surface of the second splint is located on one side of the geographic information storage device than The outer surface of the second splint away from the geographic information storage device is close to the data line.