CN209786676U - Power transmission network electric energy quality on-line monitoring device - Google Patents
Power transmission network electric energy quality on-line monitoring device Download PDFInfo
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- CN209786676U CN209786676U CN201921065613.8U CN201921065613U CN209786676U CN 209786676 U CN209786676 U CN 209786676U CN 201921065613 U CN201921065613 U CN 201921065613U CN 209786676 U CN209786676 U CN 209786676U
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Abstract
The utility model belongs to the technical field of electric power transmission line temperature monitoring device technique and specifically relates to a transmission network electric energy quality on-line monitoring device. The transmission line cooling mechanism of the on-line power quality monitoring device of the power transmission network comprises a rectangular groove, a heat insulation sleeve and a bottom heat insulation plate; the rectangular channel front end and rear end all are provided with the opening, and the rectangular channel is inside to be the cavity structure, and the rectangular channel top is provided with inlet tube and outlet pipe rather than inside cavity structure intercommunication, and rectangular channel bottom four corners play is provided with the installation screw rod, and the front end and the rear end of bottom heat insulating board are provided with thermal-insulated connecting plate, and the four corners department of bottom heat insulating board is provided with the installation screw rod matched with screw hole with the rectangular channel, is provided with a plurality of wire supporting mechanism on the fore-and-aft direction of bottom heat insulating board upper surface on-line. The utility model discloses a transmission network electric energy quality on-line monitoring device security is high, and the cooling effect is better.
Description
Technical Field
The utility model belongs to the technical field of electric power transmission line temperature monitoring device technique and specifically relates to a transmission network electric energy quality on-line monitoring device.
background
When a domestic power system designs and erects a power transmission line, in order to prevent overlarge load, the set heat capacity grade of the power transmission line is a static and conservative heat limit value based on the worst meteorological conditions. However, such severe meteorological conditions rarely occur, and the transmission potential of the transmission line cannot be really and efficiently utilized in most cases. Therefore, today with increasing electricity consumption, on the premise of ensuring that a circuit does not break down, providing the current-carrying capacity of the conductor to the maximum extent by using the existing transmission line becomes an effective way for solving the contradiction between power supply and demand. And the allowable temperature of the transmission conductor specified by the current specification is properly increased, the stable current-carrying capacity of the existing power system can be increased, the transmission capacity of the line is improved, and the method has practical economic significance for increasing the transmission capacity of the established line and reducing the investment of a newly-built line. Therefore, measuring the temperature rise of the lead becomes an important task on the basis, and the existing power transmission line can be ensured not to be in fault due to the temperature rise. But the following disadvantages exist after the stable current capacity of the existing power system is increased: the existing power transmission line can only radiate heat by external natural wind, the radiating speed is extremely low, more seriously, in hot summer, the external temperature is high, especially in daytime, the electric load is maximum, the temperature of a lead is too high, and the heat can not be radiated effectively, so that the power transmission line is burnt.
In order to solve the technical problem, the transmission grid power quality on-line monitoring device disclosed in chinese patent CN204166411U, the wire is cooled by the transmission line cooling mechanism, the transmission line cooling mechanism includes a water storage groove arranged at the lower part of the wire and fastened with the wire, a sealed water storage space is formed between the water storage groove and the wire and fixed by a plurality of wire clamps, the upper part of the wire can also contact with the air, and under the condition of large wind power, the device can also play a good heat dissipation effect, reduce the working time of the submersible pump, prolong the service life of the submersible pump, and save energy. But this type of power transmission line cooling mechanism has certain safety risk owing to directly adopt water to cool down, and this type of structure is semi-enclosed structure in addition, and the part that exposes in the air when weather is hotter can influence the cooling effect of another part.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a transmission network electric energy quality on-line monitoring device, it directly adopts water to cool down to have safe risk and semi-enclosed cooling to hit the drum and cool down the not good not enough of effect when weather is hotter to overcome among the aforementioned prior art transmission line cooling mechanism.
The utility model provides a technical scheme that its technical problem adopted is:
An online monitoring device for power quality of a power transmission network comprises a programmable controller, a power supply, a submersible pump connected with the programmable controller, a communication module connected with the programmable controller, a lead monitoring mechanism connected with the programmable controller and a power transmission line cooling mechanism connected with the programmable controller, wherein the power transmission line cooling mechanism comprises a rectangular groove, a heat insulation sleeve which is arranged on the outer wall of the rectangular groove and is matched with the rectangular groove in shape, and a bottom heat insulation plate arranged at the lower end of the rectangular groove; rectangular channel front end and rear end all are provided with the opening, the opening upper end of rectangular channel is semi-circular with wire size matched with, the opening lower extreme of rectangular channel is the rectangle, the inside cavity structure that is of rectangular channel, the rectangular channel top is provided with inlet tube and the outlet pipe rather than inside cavity structure intercommunication, rectangular channel bottom four corners play is provided with the installation screw rod, the front end and the rear end of bottom heat insulating board are provided with thermal-insulated connecting plate, thermal-insulated connecting plate main part be with the rectangular matched with rectangular structure of rectangular channel opening lower extreme, the upper end middle part of thermal-insulated connecting plate main part is provided with semi-circular with wire size matched with, the four corners department of bottom heat insulating board is provided with the installation screw rod matched with screw hole with the rectangular channel, be provided with a plurality of wire supporting mechanisms.
Furthermore, the wire supporting mechanism comprises a supporting column and an arc-shaped supporting plate, the lower end of the supporting column is fixed to the upper surface of the bottom heat insulation plate, and the upper end of the supporting column is fixed to the lower surface of the arc-shaped supporting plate.
Further, inlet tube and outlet pipe set up both ends around the rectangular channel top respectively, inlet tube and outside immersible pump intercommunication, outlet pipe and ground well intercommunication.
Furthermore, the upper surface of the heat insulation sleeve is provided with a through hole matched with the water inlet pipe on the upper surface of the rectangular groove and a through hole matched with the water outlet pipe on the upper surface of the rectangular groove.
Furthermore, the mounting screw rod of the rectangular groove penetrates through the bottom heat insulation plate and is locked and fixed through the nut.
Furthermore, a plurality of miniature heat dissipation holes are uniformly formed in the bottom heat insulation plate.
The utility model has the advantages that: compared with the prior art, the utility model discloses a transmission network electric energy quality on-line monitoring device security is high, it is effectual to cool down, install and use in summer hot month, it is fixed that nut locking is passed after the screw hole of bottom heat insulating board is passed to the installation screw rod of rectangular channel during the installation, the frozen water is carried to the cavity structure of inlet tube and outside immersible pump intercommunication looks rectangular channel, form cold air chamber in the recess of rectangular channel under the effect of outside radiation shield and bottom heat insulating board, cold air chamber forms the cooling to the wire, the wire does not contact with the cell wall of rectangular channel under wire supporting mechanism's supporting role, safety is provided, and be favorable to promoting the even cooling of wire, evenly set up a plurality of miniature louvres on the bottom heat insulating board owing to be located the lower extreme, outside hotter natural wind is unfavorable for blowing in, play the radiating effect of rectangular.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the utility model after the rectangular groove, the heat insulation sleeve and the bottom heat insulation plate are separated;
Wherein, 1 rectangular channel, 2 heat insulating sleeves, 3 bottom heat insulating boards, 4 openings, 5 inlet pipes, 6 outlet pipes, 7 mounting screws, 8 heat insulating connecting plates, 9 threaded holes, 10 supporting columns, 11 arc-shaped supporting plates and 12 miniature heat dissipation holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.
In the embodiment shown in fig. 1 and 2, the power transmission network electric energy quality online monitoring device comprises a programmable controller, a power supply, a submersible pump connected with the programmable controller, a communication module connected with the programmable controller, a lead monitoring mechanism connected with the programmable controller and a transmission line cooling mechanism connected with the programmable controller, wherein the transmission line cooling mechanism comprises a rectangular groove 1, a heat insulation sleeve 2 which is arranged on the outer wall of the rectangular groove 1 and is matched with the rectangular groove 1 in shape, and a bottom heat insulation plate 3 which is arranged at the lower end of the rectangular groove 1; the utility model discloses a heat insulation structure, including rectangular channel 1, inlet tube 5 and outlet pipe 6, rectangular channel 1's opening 4 upper end is the semicircle with wire size matched with, rectangular channel 1's opening 4 lower extreme is the rectangle, the inside cavity structure that is of rectangular channel 1, 1 top of rectangular channel is provided with the inlet tube 5 and the outlet pipe 6 rather than inside cavity structure intercommunication, 1 bottom four corners play of rectangular channel is provided with installation screw 7, the front end and the rear end of bottom heat insulating board 3 are provided with thermal-insulated connecting plate 8, thermal-insulated connecting plate 8 main part is the rectangle matched with rectangular structure with 1 opening 4 lower extreme of rectangular channel, the upper end middle part of thermal-insulated connecting plate 8 main part is provided with the semicircle with wire size matched with, the four corners department of bottom heat insulating board 3 is provided with installation screw 7 matched with screw hole 9 with rectangular channel 1, be provided with a plurality of wire supporting.
In this embodiment, the wire supporting mechanism includes a supporting column 10 and an arc-shaped supporting plate 11, a lower end of the supporting column 10 is fixed to the upper surface of the bottom heat insulating plate 3, and an upper end of the supporting column 10 is fixed to the lower surface of the arc-shaped supporting plate 11.
In this embodiment, inlet tube 5 and outlet pipe 6 set up both ends around rectangular channel 1 top respectively, and inlet tube 5 and outside immersible pump intercommunication, outlet pipe 6 and ground well intercommunication. The upper surface of the heat insulation sleeve 2 is provided with a through hole matched with the water inlet pipe 5 on the upper surface of the rectangular groove 1 and a through hole matched with the water outlet pipe 6 on the upper surface of the rectangular groove 1.
In this embodiment, the mounting screw 7 of the rectangular groove 1 passes through the threaded hole 9 of the bottom heat insulation plate 3 and is locked and fixed by a nut. And a plurality of micro heat dissipation holes 12 are uniformly formed in the bottom heat insulation plate 3.
In this embodiment, the wire monitoring mechanism includes a GPS positioning module disposed in the middle of the power transmission line and connected to the programmable controller, and at least one infrared temperature sensor disposed on the wire and connected to the programmable controller, and the power supply supplies power to the GPS positioning module, the communication module, and the programmable controller.
the working principle is as follows: the utility model discloses a transmission network electric energy quality on-line monitoring device, install and use in summer cool hot month, it is fixed that nut locking is passed after threaded hole 9 of bottom heat insulating board 3 is passed to the installation screw 7 of rectangular channel 1 during the installation, the frozen water is carried with the cavity structure of outside immersible pump intercommunication looks rectangular channel 1 to the inlet tube, form cold air chamber in the recess of rectangular channel 1 under the effect of outside radiation shield 2 and bottom heat insulating board 3, cold air chamber forms the cooling to the wire, the wire does not contact with the cell wall of rectangular channel 1 under wire supporting mechanism's supporting role, safety is provided, and be favorable to promoting the even cooling of wire, evenly set up on the heat insulating board of bottom 3 a plurality of miniature louvres 12 owing to being located the lower extreme, outside hotter natural wind is unfavorable for blowing in, play the radiating effect of the 1 inside cavity of rectangular channel.
The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a transmission network electric energy quality on-line monitoring device, includes programmable controller, power, the immersible pump of being connected with programmable controller, the communication module of being connected with programmable controller, the wire monitoring mechanism of being connected with programmable controller and the transmission line cooling mechanism of being connected with programmable controller which characterized in that: the power transmission line cooling mechanism comprises a rectangular groove, a heat insulation sleeve and a bottom heat insulation plate, wherein the heat insulation sleeve is arranged on the outer wall of the rectangular groove and is matched with the rectangular groove in shape, and the bottom heat insulation plate is arranged at the lower end of the rectangular groove; rectangular channel front end and rear end all are provided with the opening, the opening upper end of rectangular channel is semi-circular with wire size matched with, the opening lower extreme of rectangular channel is the rectangle, the inside cavity structure that is of rectangular channel, the rectangular channel top is provided with inlet tube and the outlet pipe rather than inside cavity structure intercommunication, rectangular channel bottom four corners play is provided with the installation screw rod, the front end and the rear end of bottom heat insulating board are provided with thermal-insulated connecting plate, thermal-insulated connecting plate main part be with the rectangular matched with rectangular structure of rectangular channel opening lower extreme, the upper end middle part of thermal-insulated connecting plate main part is provided with semi-circular with wire size matched with, the four corners department of bottom heat insulating board is provided with the installation screw rod matched with screw hole with the rectangular channel, be provided with a plurality of wire supporting mechanism on.
2. The on-line monitoring device for the electric energy quality of the power transmission network according to claim 1, characterized in that: the wire supporting mechanism comprises a supporting column and an arc-shaped supporting plate, the lower end of the supporting column is fixed to the upper surface of the bottom heat insulation plate, and the upper end of the supporting column is fixed to the lower surface of the arc-shaped supporting plate.
3. The on-line monitoring device for the electric energy quality of the power transmission network according to claim 1, characterized in that: the inlet tube and the outlet pipe are respectively arranged at the front end and the rear end of the top of the rectangular groove, the inlet tube is communicated with an external submersible pump, and the outlet pipe is communicated with a ground well.
4. The on-line monitoring device for the electric energy quality of the power transmission network according to claim 3, wherein: the upper surface of the heat insulation sleeve is provided with a through hole matched with the water inlet pipe on the upper surface of the rectangular groove and a through hole matched with the water outlet pipe on the upper surface of the rectangular groove.
5. The on-line monitoring device for the electric energy quality of the power transmission network according to claim 1, characterized in that: and the mounting screw rod of the rectangular groove penetrates through the threaded hole of the bottom heat insulation plate and then is locked and fixed through the nut.
6. The on-line monitoring device for the electric energy quality of the power transmission network according to claim 1, characterized in that: a plurality of miniature heat dissipation holes are uniformly formed in the bottom heat insulation plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921065613.8U CN209786676U (en) | 2019-07-09 | 2019-07-09 | Power transmission network electric energy quality on-line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921065613.8U CN209786676U (en) | 2019-07-09 | 2019-07-09 | Power transmission network electric energy quality on-line monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209786676U true CN209786676U (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921065613.8U Active CN209786676U (en) | 2019-07-09 | 2019-07-09 | Power transmission network electric energy quality on-line monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209786676U (en) |
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2019
- 2019-07-09 CN CN201921065613.8U patent/CN209786676U/en active Active
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