CN210273020U - 126kV small user complete set power supply unit - Google Patents
126kV small user complete set power supply unit Download PDFInfo
- Publication number
- CN210273020U CN210273020U CN201921656520.2U CN201921656520U CN210273020U CN 210273020 U CN210273020 U CN 210273020U CN 201921656520 U CN201921656520 U CN 201921656520U CN 210273020 U CN210273020 U CN 210273020U
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- CN
- China
- Prior art keywords
- circuit breaker
- conducting rod
- tank type
- type circuit
- static
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model relates to a 126kV small user complete set power supply device, which comprises a tank type circuit breaker, wherein a first connecting port is arranged on the movable side of a shell of the tank type circuit breaker, the first connecting port is connected with a current transformer, and the current transformer is connected with a threading sleeve; a second connection port and a third connection port are arranged on the static side of the shell of the tank type circuit breaker, the second connection port is connected with a lightning arrester, the third connection port is connected with a high-power voltage transformer, and the high-power voltage transformer is provided with a low-voltage output terminal for supplying power to a user; a vacuum arc extinguish chamber is arranged in a shell of the tank type circuit breaker and comprises a movable conducting rod and a static conducting rod, the movable conducting rod is connected with a movable contact, and the static conducting rod is connected with a static contact. The high-power voltage transformer is used for providing the low-voltage output terminal, so that power is directly supplied to a user, the installation of a transformer is omitted, and the installation cost is reduced.
Description
Technical Field
The utility model relates to a power supply unit technical field especially relates to a 126kV small subscriber complete set power supply unit.
Background
For areas such as power supply in remote areas of rural areas, large project engineering construction of railways, oil fields, mining areas, buildings and the like, emergency power supply recovery, frontier troops power supply, remote mobile phone signal towers and the like, although the power consumption is small, the power is indispensable.
In the areas, a transformer substation is required to be built for realizing power supply, the existing power supply mode is that high-voltage electricity is converted into low-voltage electricity through a transformer in the transformer substation, the low-voltage electricity is transmitted to users through a power transmission line, and the installation and use of the transformer cause the construction cost to be too high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art not enough, provide a 126kV little user complete set power supply unit, provide low-voltage output terminal through using high-power voltage transformer, directly to the user power supply, saved the installation of transformer, reduced installation cost.
The utility model is realized by the following technical scheme, a 126kV small user complete set power supply device is provided, which comprises a tank type circuit breaker, wherein a first connecting port is arranged on the movable side of a shell of the tank type circuit breaker, the first connecting port is connected with a current transformer, and the current transformer is connected with a threading sleeve; a second connection port and a third connection port are arranged on the static side of the shell of the tank type circuit breaker, the second connection port is connected with a lightning arrester, the third connection port is connected with a high-power voltage transformer, and the high-power voltage transformer is provided with a low-voltage output terminal for supplying power to a user; a vacuum arc extinguish chamber is arranged in a shell of the tank type circuit breaker and comprises a movable conducting rod and a static conducting rod, wherein the movable conducting rod is connected with a movable contact, and the static conducting rod is connected with a static contact; an input conductor is arranged in the threading sleeve, one end of the input conductor is connected with the high-voltage transmission line, the other end of the input conductor passes through the current transformer to be connected with a movable conducting rod of the vacuum arc extinguish chamber, and the movable conducting rod is connected with the circuit breaker breaking mechanism through a horizontal guide rod; the high-power voltage transformer and the lightning arrester are connected with an output conductor, and the output conductor is connected with a static conducting rod of the vacuum arc extinguish chamber.
Preferably, the circuit breaker opening mechanism is a CT26 spring operating mechanism, and the horizontal guide rod is connected with a crank arm of the CT26 spring operating mechanism.
Preferably, the high-power voltage transformer is a 126kV high-power voltage transformer.
Preferably, a support for supporting is arranged below the circuit breaker breaking mechanism, the tank type circuit breaker and the high-power voltage transformer.
The utility model has the advantages that:
1. the high-power voltage transformer is used for providing the low-voltage output terminal, so that power is directly supplied to a user, the installation of a transformer is omitted, and the installation cost is reduced.
2. Single phase may be used for single phase loads or three combined into three phase loads for larger power demands as a whole.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection relationship between the vacuum interrupter and the input and output conductors; shown in the figure:
1. the high-power vacuum circuit breaker comprises a tank type circuit breaker, 2 parts of a high-power voltage transformer, 3 parts of a circuit breaker breaking mechanism, 4 parts of a threading sleeve, 5 parts of a current transformer, 6 parts of a lightning arrester, 7 parts of a horizontal guide rod, 8 parts of a bracket, 9 parts of a vacuum arc extinguish chamber, 10 parts of a static contact, 11 parts of a moving contact, 12 parts of a static conductive rod, 13 parts of a moving conductive rod, 14 parts of an input conductor, 15 parts of an output conductor, 16 parts of a first connecting port, 17 parts of a second connecting port, 18 parts of a third connecting port.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1 and 2, the utility model discloses a tank type circuit breaker 1 is equipped with first connection port 16 in the side that moves of tank type circuit breaker 1 casing, and current transformer 5 is connected to first connection port 16, and current transformer 5 connects threading sleeve pipe 4. A second connection port 17 and a third connection port 18 are arranged on the static side of the shell of the tank type circuit breaker 1, the second connection port 17 is connected with the lightning arrester 6, the third connection port 18 is connected with a high-power voltage transformer 2, and the high-power voltage transformer 2 is provided with a low-voltage output terminal for supplying power to users. The vacuum arc-extinguishing chamber 9 is arranged in the shell of the tank-type circuit breaker 1, the vacuum arc-extinguishing chamber 9 is of an existing structure, the vacuum arc-extinguishing chamber is wvt-12 in model number, the vacuum arc-extinguishing chamber 9 comprises a movable conducting rod 13 and a static conducting rod 12, the movable conducting rod 13 is connected with a movable contact 11, the static conducting rod 12 is connected with a static contact 10, and the vacuum arc-extinguishing chamber 9 is of the existing structure and therefore specific structures and connection relations of the vacuum arc-extinguishing chamber are not repeated.
An input conductor 14 is arranged in the threading sleeve 4, one end of the input conductor 14 is connected with a high-voltage transmission line, the other end of the input conductor 14 penetrates through the current transformer 5 to be connected with a movable conducting rod 13 of the vacuum arc-extinguishing chamber 9, and the movable conducting rod 13 is connected with the circuit breaker breaking mechanism 3 through a horizontal guide rod 7. The high-power voltage transformer 2 and the lightning arrester 6 are connected with an output conductor 15, and the output conductor 15 is connected with a static conducting rod 12 of the vacuum arc-extinguishing chamber 9.
In this embodiment, the circuit breaker opening mechanism 3 is a CT26 spring operating mechanism, the horizontal guide rod 7 is connected with a crank arm of the CT26 spring operating mechanism, and the CT26 spring operating mechanism is an existing structure and is produced by Shandong Tai-Kao high-voltage switch Limited. And manually operating the crank arm to drive the circuit breaker to perform switching-on and switching-off operation.
In the present embodiment, the high-power voltage transformer 2 is a 126kV high-power voltage transformer.
In this embodiment, a support 8 for supporting is provided below the circuit breaker opening mechanism 3, below the tank circuit breaker 1, and below the high-power voltage transformer 2.
The specific working principle is as follows: high-voltage electricity from 14 inputs of input conductor is carried to tank circuit breaker 1 through current transformer 5, carries out the divide-shut brake operation to tank circuit breaker 1 through circuit breaker break-make mechanism 3, and high-voltage electricity is carried to high-power voltage transformer 2 after tank circuit breaker 1 closes a floodgate, and high-power voltage transformer 2 converts high-voltage electricity into low-voltage electricity to directly supply power to the user through low voltage output terminal.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (4)
1. A126 kV small user complete set power supply device comprises a tank type circuit breaker (1) and is characterized in that: a first connecting port (16) is arranged on the movable side of a shell of the tank type circuit breaker (1), the first connecting port (16) is connected with a current transformer (5), and the current transformer (5) is connected with a threading sleeve (4); a second connection port (17) and a third connection port (18) are arranged on the static side of a shell of the tank type circuit breaker (1), the second connection port (17) is connected with the lightning arrester (6), the third connection port (18) is connected with a high-power voltage transformer (2), and the high-power voltage transformer (2) is provided with a low-voltage output terminal for supplying power to users; a vacuum arc extinguish chamber (9) is arranged in a shell of the tank type circuit breaker (1), the vacuum arc extinguish chamber (9) comprises a movable conducting rod (13) and a static conducting rod (12), the movable conducting rod (13) is connected with a movable contact (11), and the static conducting rod (12) is connected with a static contact (10); an input conductor (14) is arranged in the threading sleeve (4), one end of the input conductor (14) is connected with a high-voltage transmission line, the other end of the input conductor (14) penetrates through the current transformer (5) to be connected with a movable conducting rod (13) of the vacuum arc-extinguishing chamber (9), and the movable conducting rod (13) is connected with the circuit breaker breaking mechanism (3) through a horizontal guide rod (7); the high-power voltage transformer (2) and the lightning arrester (6) are connected with an output conductor (15), and the output conductor (15) is connected with a static conducting rod (12) of the vacuum arc-extinguishing chamber (9).
2. The 126kV small subscriber unit power supply device according to claim 1, wherein: the breaker opening and closing mechanism (3) is a CT26 spring operating mechanism, and the horizontal guide rod (7) is connected with a crank arm of the CT26 spring operating mechanism.
3. A 126kV small subscriber complete set power supply device according to claim 2, characterized in that: the high-power voltage transformer (2) is a 126kV high-power voltage transformer (2).
4. The 126kV small subscriber unit power supply device according to claim 1, wherein: and a support (8) for supporting is arranged below the circuit breaker breaking mechanism (3), the tank type circuit breaker (1) and the high-power voltage transformer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921656520.2U CN210273020U (en) | 2019-09-30 | 2019-09-30 | 126kV small user complete set power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921656520.2U CN210273020U (en) | 2019-09-30 | 2019-09-30 | 126kV small user complete set power supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210273020U true CN210273020U (en) | 2020-04-07 |
Family
ID=70020017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921656520.2U Expired - Fee Related CN210273020U (en) | 2019-09-30 | 2019-09-30 | 126kV small user complete set power supply unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210273020U (en) |
-
2019
- 2019-09-30 CN CN201921656520.2U patent/CN210273020U/en not_active Expired - Fee Related
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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: 20200407 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |