CN210516458U - Temperature sensing type voltage transformer - Google Patents
Temperature sensing type voltage transformer Download PDFInfo
- Publication number
- CN210516458U CN210516458U CN201921518225.0U CN201921518225U CN210516458U CN 210516458 U CN210516458 U CN 210516458U CN 201921518225 U CN201921518225 U CN 201921518225U CN 210516458 U CN210516458 U CN 210516458U
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- primary
- voltage
- temperature
- terminal
- fusion tube
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Abstract
The temperature-sensing voltage transformer comprises a primary side and a secondary side. The first primary connecting terminal is connected with one end of a first primary high-voltage fusion tube arranged in the insulating shell, and the other end of the first primary high-voltage fusion tube is connected with a first primary high-voltage fusion tube seat. The second primary wiring terminal has the same connecting structure, and the two high-voltage fusion tube seats are respectively connected with one end of the primary coil. The primary coil and the secondary coil are wound on the iron core, and a temperature sensor is further arranged in the insulating shell. The connecting end of the temperature sensor is connected with the temperature monitoring output terminal. The product monitors two important operation parameters of line voltage and body operation temperature, and can take measures in advance to avoid accidents when temperature or voltage fluctuates abnormally.
Description
Technical Field
The utility model belongs to the voltage transformer field, in particular to temperature sensing formula voltage transformer can be for temperature sensing formula voltage transformer for the 10kV power.
Background
The reliability and the safety of the 10kV power distribution network are key factors for determining whether the power system can meet the power consumption requirements of end users. Because the voltage transformer is in long-term outdoor operation and unattended, if the voltage transformer is not timely processed when a fault occurs, the fault range is expanded, the current products can not simultaneously monitor two important operation parameters of line voltage and transformer body operation temperature, and if the voltage or the temperature abnormally fluctuates, the voltage or the temperature cannot be known in advance at the same time, so that accidents can occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a temperature sensing formula voltage transformer can monitor line voltage and mutual-inductor body operating temperature parameter simultaneously, prevents the emergence of accident.
The technical scheme is as follows:
the temperature-sensing voltage transformer comprises a primary side and a secondary side.
The primary side includes a first primary connection terminal and a second primary connection terminal.
The first primary connecting terminal is connected with one end of a first primary high-voltage fusion tube arranged in the insulating shell, and the other end of the first primary high-voltage fusion tube is connected with a first primary high-voltage fusion tube seat.
The second primary connecting terminal is connected with one end of a second primary high-voltage fusion tube arranged in the insulating shell, and the other end of the second primary high-voltage fusion tube is connected with a second primary high-voltage fusion tube seat.
The first primary high-voltage fusion tube seat is connected with one end of the primary coil, and the second primary high-voltage fusion tube seat is connected with the other end of the primary coil.
The primary coil is wound on the iron core. The iron core is also wound with a secondary coil at the secondary side.
The secondary coil outlet terminal is connected with the secondary outlet terminal.
The technical key points are as follows:
a temperature sensor is also arranged in the insulating shell.
The connecting end of the temperature sensor is connected with the temperature monitoring output terminal.
The advantages are that:
the outdoor temperature-sensing voltage transformer has the characteristics of strong ultraviolet resistance, flame retardance, explosion resistance, hydrophobicity and the like, is mainly used for power supplies of outdoor column switch automatic operating mechanisms and feeder terminals, can monitor line voltage, monitors two important operation parameters of the line voltage and the operation temperature of a body, and can take measures in advance to avoid accidents when the temperature or the voltage fluctuates abnormally.
The external insulation adopts epoxy resin and silicon rubber composite insulating material, is uvioresistant and aging-resistant, and is suitable for households
And (3) the external use conditions. The R-shaped closed iron core has the characteristics of small change of exciting current and good linearity. The outdoor switching equipment can be provided with an operation power supply.
The primary high-voltage part is provided with a built-in protective tube (high-voltage fusion tube) to prevent the damage of high-voltage overcurrent to the transformer.
Drawings
Fig. 1 is a front sectional view of the structure of the present invention.
Fig. 2 is a side view and a cross-sectional view of the structure of the present invention.
Fig. 3 is a left side view of fig. 1.
Fig. 4 is a view taken along direction K in fig. 1.
Fig. 5 is an M-direction view of fig. 1.
Fig. 6 is a front view of the appearance of the voltage transformer.
Fig. 7 is a side view of the appearance of the voltage transformer.
Fig. 8 is a top view of the appearance of the voltage transformer.
The primary high-voltage fuse structure comprises a first primary wiring terminal 1, a first primary high-voltage fuse tube 2, a sheath outer insulating layer 3, a first primary high-voltage fuse tube seat 4, a primary coil 5, an iron core 6, a temperature sensor 7, a secondary lead outlet 8, a secondary wiring box cover plate 9, an insulating shell 10, a main insulating layer 11, a secondary coil 12, a voltage signal terminal 13, a power output terminal 14, a temperature monitoring output terminal 15, a base 16, a second primary wiring terminal 17, a second primary high-voltage fuse tube 18 and a second primary high-voltage fuse tube seat 19.
Detailed Description
The temperature-sensing voltage transformer comprises a primary side and a secondary side.
The primary side is a high-voltage side and the secondary side is a low-voltage side.
The primary side includes a first primary connection terminal 1 and a second primary connection terminal 17.
The first primary connection terminal 1 is disposed at the top end of the insulating housing 10.
The first primary wiring terminal 1 is connected with one end of a first primary high-voltage fusion tube 2 arranged in the insulating shell 10, and the other end of the first primary high-voltage fusion tube 2 is connected with a first primary high-voltage fusion tube seat 4.
The second primary connection terminal 17 is disposed at the top end of the insulating housing 10.
The second primary connecting terminal 17 is connected with one end of a second primary high-voltage fusion tube 18 arranged in the insulating shell 10, and the other end of the second primary high-voltage fusion tube 18 is connected with a second primary high-voltage fusion tube seat 19.
The first primary high-voltage fusion pipe seat 4 is connected with one end of the primary coil 5, and the second primary high-voltage fusion pipe seat 19 is connected with the other end of the primary coil 5.
The primary coil 5 is wound on the iron core 6, a magnetic field is established through the coupling of the iron core 6, and the iron core 6 is arranged in the insulating shell 10.
The iron core 6 is an R-shaped closed iron core.
The secondary side includes a secondary coil 12.
The iron core 6 is further wound with a secondary coil 12.
The secondary coil 12 is located inside, the primary coil 5 is located outside the secondary coil 12, and the insulating case 10 between the primary coil 5 and the secondary coil 12 serves as a main insulating layer 11.
The secondary coil 12 outlet terminal is connected to a secondary outlet terminal, which includes a voltage signal terminal 13 (1 a, 1 b) and a power output terminal 14 (2 a, 2 b).
A temperature sensor 7 is also provided in the insulating housing 10.
The connection end of the temperature sensor 7 is connected to a temperature monitoring output terminal 15. The temperature signal is output from the temperature monitoring output terminal 15.
The temperature sensor 7 is a PT100 temperature sensor, the model is a built-in e k thermocouple electric heating temperature sensor, and the terminal of the temperature monitoring output terminal 15 can adopt two M6 screws as terminals.
The temperature sensor 7 can monitor the temperature state of the transformer itself during operation.
The insulating housing 10 is an epoxy resin integrally cast housing.
The bottom of the insulating shell 10 is provided with a base 16 for installation and fixation.
The outer layer of the insulating shell 10 is a sheath outer insulating layer 3 (silicone rubber sheath outer insulating layer).
All terminal leads of the secondary outlet terminal and the temperature monitoring output terminal 15 are led out from a secondary lead outlet 8 on the surface of the insulating shell 10 and are sealed by a secondary junction box cover plate 9.
The first primary connection terminal 1 and the second primary connection terminal 17 are used for connecting primary lines.
The technical parameters are as follows: voltage ratio: 10/0.1/0.22kV, precision grade: class 0.2/3, rated output capacity: 500VA, frequency: 50/60Hz, temperature monitoring range: -35 ℃ to 110 ℃, type of apparatus: outdoors.
Claims (4)
1. The temperature-sensing voltage transformer comprises a primary side and a secondary side;
the primary side comprises a first primary connection terminal (1) and a second primary connection terminal (17);
the first one-time connecting terminal (1) is connected with one end of a first one-time high-voltage fusion tube (2) arranged in the insulating shell (10), and the other end of the first one-time high-voltage fusion tube (2) is connected with a first one-time high-voltage fusion tube seat (4);
the second primary connecting terminal (17) is connected with one end of a second primary high-voltage fusion tube (18) arranged in the insulating shell (10), and the other end of the second primary high-voltage fusion tube (18) is connected with a second primary high-voltage fusion tube seat (19);
the first primary high-voltage fusion pipe seat (4) is connected with one end of the primary coil (5), and the second primary high-voltage fusion pipe seat (19) is connected with the other end of the primary coil (5);
the primary coil (5) is wound on the iron core (6); the iron core (6) is also wound with a secondary coil (12) on the secondary side;
secondary coil (12) outlet terminal connects secondary outlet terminal, its characterized in that:
a temperature sensor (7) is also arranged in the insulating shell (10);
the connecting end of the temperature sensor (7) is connected with a temperature monitoring output terminal (15).
2. The temperature-sensitive voltage transformer of claim 1, wherein:
the iron core (6) is an R-shaped closed iron core.
3. The temperature-sensitive voltage transformer of claim 1, wherein: the temperature sensor (7) is a PT100 temperature sensor, and the model is a built-in e k thermocouple electric heating temperature sensor.
4. The temperature-sensitive voltage transformer of claim 3, wherein: the terminal of the temperature monitoring output terminal (15) adopts an M6 screw as a terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921518225.0U CN210516458U (en) | 2019-09-12 | 2019-09-12 | Temperature sensing type voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921518225.0U CN210516458U (en) | 2019-09-12 | 2019-09-12 | Temperature sensing type voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210516458U true CN210516458U (en) | 2020-05-12 |
Family
ID=70569575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921518225.0U Expired - Fee Related CN210516458U (en) | 2019-09-12 | 2019-09-12 | Temperature sensing type voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210516458U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110620002A (en) * | 2019-09-12 | 2019-12-27 | 湖北大二互科技股份有限公司 | Temperature sensing type voltage transformer |
-
2019
- 2019-09-12 CN CN201921518225.0U patent/CN210516458U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110620002A (en) * | 2019-09-12 | 2019-12-27 | 湖北大二互科技股份有限公司 | Temperature sensing type voltage transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |