CN111986953A - Primary and secondary deep fusion solid-sealed polar pole - Google Patents

Abstract

The invention discloses a solid-sealed pole with primary and secondary deep fusion, comprising an insulating shell, and a vacuum interrupter, a power taking device, a current detection device, a first voltage sensor, a second voltage sensor and a second voltage are arranged in the insulating shell. A sensor, a metal shielding net, a first conductive insert, a second conductive insert, a third conductive insert and a fourth conductive insert; the insulating housing is provided with an incoming wire electrical connector and an outgoing wire electrical connector. The invention can integrate the power taking equipment, the current sensor and the voltage sensor inside the pole, realize the function of capacitor taking electricity, monitor the current situation in real time, and the two voltage sensors poured in the pole can monitor the two sides of the vacuum interrupter fracture. Voltage, monitored voltage and current signals can be used to estimate equipment status and support feeder automation, achieving the goal of deep integration of primary and secondary equipment in one step.

Description

A solid-sealed pole with primary and secondary deep fusion

technical field

The invention relates to the field of medium voltage switchgear, in particular to a solid-sealed pole with primary and secondary deep fusion.

Background technique

In order to ensure the stable operation of the traditional vacuum circuit breaker, it is necessary to set a current sensor and a voltage sensor outside it. Due to the large size of the current sensor and the voltage sensor, the vacuum circuit breaker occupies a large volume and has a high cost. At the same time, the country is now vigorously promoting the construction of distribution network. In this process, it is necessary to improve the standardization and integration level of primary and secondary distribution equipment, improve the operation level of distribution equipment, and solve the primary and secondary problems faced in the construction of distribution automation. Compatibility and scalability of the interface and other pressing issues. The prior art lacks a complete set of solid-sealed poles that satisfies the deep integration of primary and secondary equipment with intelligent distribution network, complete set integration, functional modularity, and flexible interchangeability.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a solid-sealed pole with primary and secondary deep fusion, which is used to solve at least one of the above-mentioned technical problems. Electric function, real-time monitoring of current situation, two voltage sensors casted in the pole can monitor the voltage on both sides of the vacuum interrupter fracture, the monitored voltage and current signals can be used to estimate equipment status and support feeder automation, realizing one or two The goal of deep integration of secondary devices in one step.

Embodiments of the present invention are implemented as follows:

A solid-sealed pole with primary and secondary deep fusion, comprising an insulating shell, and a vacuum interrupter, a power taking device, a current detection device, a first voltage sensor, a second voltage sensor, and a metal shield are poured into the insulating shell. A mesh, a first conductive insert, a second conductive insert, a third conductive insert, and a fourth conductive insert.

An incoming wire electrical connector and an outgoing wire electrical connector are installed on the insulating housing.

In a preferred embodiment of the present invention, an outlet conducting rod is further provided in the insulating casing of the solid-sealed pole with the primary and secondary deep fusion.

The metal shielding net is connected to the outgoing conductor rod.

The outgoing wire conductive rod is connected to the outgoing wire electrical connector.

The static end of the vacuum interrupter is connected to the incoming wire electrical connector.

The current detection device adopts a current sensor.

The current sensor is arranged coaxially with the outgoing conductor rod, and the current signal is drawn out through the secondary lead of the current sensor.

The current detection device may use a current transformer, which is arranged in the same manner as the current sensor.

The power taking device adopts a power taking PT.

One end of the power-taking PT is connected to the metal shielding net through the primary lead of the power-taking PT, and the other end of the power-taking PT leads the voltage signal out through the secondary lead of the power-taking PT.

The first voltage sensor is arranged around the fracture of the vacuum interrupter, one end is connected to the static end of the vacuum interrupter through the primary lead of the first voltage sensor, and the other end leads out the voltage signal through the secondary lead of the first voltage sensor .

The second voltage sensor is arranged around the fracture of the vacuum interrupter, one end is connected to the metal shielding net through the primary lead of the second voltage sensor, and the other end leads out the voltage signal through the secondary lead of the second voltage sensor.

The technical effect is that the first voltage sensor and the second voltage sensor can operate in a closed loop, and are relatively arranged on both sides of the center of the solid-sealed pole, and simultaneously monitor the phase voltage and zero sequence on both sides of the vacuum interrupter fracture. Voltage signal; the current sensor has the ability to collect phase-sequence current signal and zero-sequence current signal, and is also compatible with conventional current transformers to realize monitoring of phase-sequence signal and zero-sequence current signal.

In a preferred embodiment of the present invention, one end of the outgoing conductive rod of the solid-sealed pole with the first and second deep fusion is connected to the moving end of the vacuum interrupter through a soft connection, and the other end is connected to the outgoing wire electrical connector.

The technical effect is: realizing a circuit loop.

In a preferred embodiment of the present invention, an insulating pull rod is also installed on the insulating housing of the solid-sealed pole with the primary and secondary deep fusion.

One end of the insulating pull rod is connected with the moving end of the vacuum interrupter, and the other end extends out of the insulating housing.

Its technical effect is: used to connect or disconnect the circuit.

In a preferred embodiment of the present invention, one end of the flexible connection of the solid-sealed pole with the first and second deep fusion is connected to the movable end of the vacuum interrupter and the insulating rod, and the other end is connected to the outlet wire Conductive rod.

The technical effect is that the moving end of the vacuum interrupter is drawn out.

In a preferred embodiment of the present invention, the metal shielding mesh of the solid-sealed poles of the primary and secondary deep fusion extends from the outer side of the movable end of the vacuum interrupter to the outer side of the insulating rod.

The technical effect is as follows: the electromagnetic interference problem after the deep integration of primary and secondary equipment is solved, and the overall electromagnetic anti-interference level of the equipment is improved.

In a preferred embodiment of the present invention, the secondary lead of the current sensor of the solid-sealed pole with the primary and secondary deep fusion leads out the current signal through the fourth conductive insert.

The power-taking PT secondary lead leads out the voltage signal through the third conductive insert.

The secondary lead of the second voltage sensor leads out the voltage signal of the low-voltage terminal through the second conductive insert.

The secondary lead of the first voltage sensor leads out the voltage signal of the high voltage terminal through the first conductive insert.

The technical effect of the invention lies in: realizing the extraction of the voltage signal.

In a preferred embodiment of the present invention, the power take-off device of the solid-sealed pole with primary and secondary deep fusion is powered by a fully insulated power supply voltage transformer interface provided on the insulating housing.

A conductor is provided in the insulating casing corresponding to the interface of the fully insulated power supply voltage transformer.

One end of the conductor is connected to the metal shielding net through a conductor lead, and the other end is connected to a cable through a fully insulated power supply voltage transformer interface to lead out the voltage signal.

The technical effect is: realizing the function of taking electricity.

In a preferred embodiment of the present invention, an incoming wire end cover is provided on the side where the incoming wire electrical connector is provided on the insulating housing of the solid-sealed pole post with primary and secondary deep fusion.

The inlet end caps are sealed by inlet seals.

The incoming wire seal is compressed by the incoming wire nut.

Its technical effect is: effectively reduce bounce and wear and increase environmental tolerance.

In a preferred embodiment of the present invention, an outlet end cover is provided on the insulating casing of the solid-sealed pole with primary and secondary deep fusion on the side where the outlet electrical connector is arranged.

The outlet end caps are sealed by outlet seals.

The outlet seal is pressed by the outlet nut.

Its technical effect is: effectively reduce bounce and wear and increase environmental tolerance.

The beneficial effects of the embodiments of the present invention are:

1. High integration, reasonable design and complete practicality, improve the level of integration and modularization of primary and secondary equipment, meet the requirements of interface compatibility, expandability and interchangeability of primary and secondary equipment, and achieve primary and secondary equipment The goal of deep integration in one step. It can not only avoid the problem of the large size of the vacuum circuit breaker caused by the external current transformer and the voltage transformer in the prior art, but also reduce the corrosion problem caused by the current transformer and the voltage transformer being exposed to the air for a long time.

2. Two voltage sensors are poured into the solid-sealed pole, which can operate in a closed loop and monitor the phase voltage and zero-sequence voltage signals on both sides of the vacuum interrupter fracture; the current sensor in the solid-sealed pole can monitor the current situation in real time. The monitored voltage and current signals can be used to estimate the equipment status and support feeder automation; the capacitor power taking PT casted in the solid-sealed pole can realize the function of capacitor power taking, or the power taking can be realized by pouring the fully insulated power supply voltage transformer interface. Function.

3. In addition to casting current sensors to monitor phase sequence and zero sequence current signals, the solid-sealed pole is also compatible with conventional current transformers to monitor phase sequence and zero sequence current signals.

4. The internal electric field is evenly distributed, there is no potential difference between various parts in the cover after closing, the voltage equalization effect is good, and the insulation capacity is strong. The electromagnetic interference problem after the deep integration of primary and secondary equipment has improved the overall electromagnetic anti-interference level of the equipment.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore do not It should be regarded as a limitation of the scope, and for those of ordinary skill in the art, other related drawings can also be obtained according to these drawings without any creative effort.

The solid-sealed pole for primary and secondary deep fusion of the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Fig. 1 is the front sectional structure schematic diagram of the solid-sealing pole of one-second deep fusion of the present invention;

Fig. 2 is the side sectional structure schematic diagram of the solid-sealing pole of the first and second deep fusion of the present invention;

3 is a schematic diagram of a front cross-sectional structure of the solid-sealed pole power take-off device for primary and secondary deep fusion of the present invention, which is connected to a cable through a fully insulated power supply voltage transformer interface.

In the figure: 1-insulation shell; 2-vacuum interrupter; 3-outlet seal; 4-outlet end cover; 5-outlet nut; 6-outlet conductive rod; 7-outlet electrical connector; 8-current sensor ; 9- Current sensor secondary lead; 10- Insulation rod; 11- Power PT secondary lead; 12- Power PT; 13- Power PT primary lead; 14- Soft connection; 15- Incoming wire seal; 16 -Incoming line end cover; 17-Incoming line nut; 18-Incoming line electrical connector; 19-First voltage sensor primary lead; 20-First voltage sensor; 21-First voltage sensor secondary lead; 22-Second Voltage sensor secondary lead; 23-second voltage sensor; 24-second voltage sensor primary lead; 25-metal shielding net; 26-full insulation power supply voltage transformer interface; 27-conductor; 28-conductor lead.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein can be arranged and designed in a variety of different configurations.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and features in the embodiments may be combined with each other without conflict.

Referring to FIGS. 1 to 2 , a first embodiment of the present invention provides a solid-sealed pole post with primary and secondary deep fusion, including an insulating casing 1 , and a vacuum interrupter 2 is cast in the insulating casing 1 , a power taking device, a current detection device, a first voltage sensor 20, a second voltage sensor 23, a metal shielding mesh 25, a first conductive insert, a second conductive insert, a third conductive insert and a fourth conductive insert.

The insulating housing 1 is provided with an incoming wire electrical connector 18 and an outgoing wire electrical connector 7 .

In a preferred embodiment of the present invention, an outlet conducting rod 6 is further provided in the insulating housing 1 of the solid-sealed pole post with primary and secondary deep fusion.

The metal shielding net 25 and the outgoing conductive rod 6 are connected by screw connection or welding.

The outgoing conductive rod 6 is connected to the outgoing electrical connector 7 .

The static end of the vacuum interrupter 2 is connected to the incoming wire electrical connector 18 .

The current sensor 8 is arranged coaxially with the outgoing conductor rod 6 , and the current signal is drawn out through the secondary lead 9 of the current sensor.

The power taking device adopts power taking PT12.

One end of the power taking PT 12 is connected to the metal shielding mesh 25 through the power taking PT primary lead 13 , and the other end leads out the voltage signal through the power taking PT secondary lead 11 .

The power taking PT12 is arranged on the opposite side of the current sensor 8 .

The current detection device may use a current transformer, which is arranged in the same manner as the current sensor 8 .

The first voltage sensor 20 is arranged around the fracture of the vacuum interrupter 2, one end is connected to the static end of the vacuum interrupter 2 through the primary lead 19 of the first voltage sensor, and the other end is connected to the second lead of the first voltage sensor. 21 Leads out the voltage signal.

The second voltage sensor 23 is arranged around the fracture of the vacuum interrupter 2, one end is connected to the metal shielding mesh 25 through the second voltage sensor primary lead 24, and the other end is connected to the voltage signal through the second voltage sensor secondary lead 22. lead out.

The technical effect is that: the first voltage sensor 20 and the second voltage sensor 23 can operate in a closed loop, and are relatively arranged on both sides of the center of the solid-sealed pole, while monitoring the phase voltage on both sides of the vacuum interrupter 2 fracture , zero-sequence voltage signal; the current sensor 8 has the ability to collect phase-sequence current signals and zero-sequence current signals, and is also compatible with conventional current transformers to monitor phase-sequence signals and zero-sequence current signals.

In a preferred embodiment of the present invention, one end of the outgoing conductive rod 6 of the solid-sealed pole with the first and second deep fusion is connected to the movable end of the vacuum interrupter 2 through a soft connection 14, and the other end is connected to the movable end of the vacuum interrupter 2. The outgoing electrical connector 7 .

The technical effect is: realizing a circuit loop.

In a preferred embodiment of the present invention, an insulating tie rod 10 is also installed on the insulating housing 1 of the solid-sealed pole post with primary and secondary deep fusion.

One end of the insulating rod 10 is connected to the moving end of the vacuum interrupter 2 , and the other end extends out of the insulating housing 1 .

Its technical effect is: used to connect or disconnect the circuit.

In a preferred embodiment of the present invention, one end of the soft connection 14 of the solid-sealed pole with the first and second deep fusion is connected to the movable end of the vacuum interrupter 2 and the insulating rod 10, and the other end is connected to The outgoing conductive rod 6 .

The technical effect is that the moving end of the vacuum interrupter 2 is drawn out.

In a preferred embodiment of the present invention, the metal shielding net 25 of the solid-sealed poles fused to the primary and secondary depths extends from the outer side of the movable end of the vacuum interrupter 2 to the outer side of the insulating rod 10 .

The metal shielding net 25 is coaxially sleeved under the vacuum interrupter 2 in a cylindrical shape, and embedded in the insulating housing 1 through epoxy resin.

The technical effect is as follows: the electromagnetic interference problem after the deep integration of primary and secondary equipment is solved, and the overall electromagnetic anti-interference level of the equipment is improved.

In a preferred embodiment of the present invention, the secondary lead 9 of the current sensor of the solid-sealed pole with the primary and secondary deep fusion leads out the current signal through a fourth conductive insert.

The power-taking PT secondary lead 11 leads out the voltage signal through the third conductive insert.

The secondary lead 22 of the second voltage sensor leads out the low-voltage terminal voltage signal through the second conductive insert.

The secondary lead 21 of the first voltage sensor leads out the voltage signal of the high voltage terminal through the first conductive insert.

The technical effect of the invention lies in: realizing the extraction of the voltage signal.

In a preferred embodiment of the present invention, an incoming wire end cap 16 is provided on the side where the incoming wire electrical connector 18 is provided on the insulating housing 1 of the solid-sealed pole post with primary and secondary deep fusion.

The inlet end cover 16 is sealed by the inlet seal 15 .

The inlet seal 15 is pressed by the inlet nut 17 .

Its technical effect is: effectively reduce bounce and wear and increase environmental tolerance.

In a preferred embodiment of the present invention, an outlet end cover 4 is provided on the insulating housing 1 of the solid-sealed pole post with primary and secondary deep fusion on the side where the outlet electrical connector 7 is arranged.

The outlet end cap 4 is sealed by the outlet seal 3 .

The outlet seal 3 is pressed by the outlet nut 5 .

Its technical effect is: effectively reduce bounce and wear and increase environmental tolerance.

Referring to FIGS. 2 to 3 , a second embodiment of the present invention provides a solid-sealed pole with primary and secondary deep fusion, including an insulating casing 1 , and a vacuum interrupter 2 is cast in the insulating casing 1 , a power taking device, a current detection device, a first voltage sensor 20, a second voltage sensor 23, a metal shielding mesh 25, a first conductive insert, a second conductive insert, a third conductive insert and a fourth conductive insert.

The insulating housing 1 is provided with an incoming wire electrical connector 18 and an outgoing wire electrical connector 7 .

In a preferred embodiment of the present invention, an outlet conducting rod 6 is further provided in the insulating housing 1 of the solid-sealed pole post with primary and secondary deep fusion.

The metal shielding net 25 is connected to the outgoing conductor rod 6 .

The metal shielding net 25 and the outgoing conductive rod 6 are connected by screw connection or welding.

The outgoing conductive rod 6 is connected to the outgoing electrical connector 7 .

The static end of the vacuum interrupter 2 is connected to the incoming wire electrical connector 18 .

The current sensor 8 is arranged coaxially with the outgoing conductor rod 6 , and the current signal is drawn out through the secondary lead 9 of the current sensor.

The current detection device may use a current transformer, which is arranged in the same manner as the current sensor 8 .

The first voltage sensor 20 is arranged around the fracture of the vacuum interrupter 2, one end is connected to the static end of the vacuum interrupter 2 through the primary lead 19 of the first voltage sensor, and the other end is connected to the second lead of the first voltage sensor. 21 Leads out the voltage signal.

The second voltage sensor 23 is arranged around the fracture of the vacuum interrupter 2, one end is connected to the metal shielding mesh 25 through the second voltage sensor primary lead 24, and the other end is connected to the voltage signal through the second voltage sensor secondary lead 22. lead out.

The technical effect is that: the first voltage sensor 20 and the second voltage sensor 23 can operate in a closed loop, and are relatively arranged on both sides of the center of the solid-sealed pole, while monitoring the phase voltage on both sides of the vacuum interrupter 2 fracture , zero-sequence voltage signal; the current sensor 8 has the ability to collect phase-sequence current signals and zero-sequence current signals, and is also compatible with conventional current transformers to monitor phase-sequence signals and zero-sequence current signals.

In a preferred embodiment of the present invention, one end of the outgoing conductive rod 6 of the solid-sealed pole with the first and second deep fusion is connected to the movable end of the vacuum interrupter 2 through a soft connection 14, and the other end is connected to the movable end of the vacuum interrupter 2. The outgoing electrical connector 7 .

The technical effect is: realizing a circuit loop.

In a preferred embodiment of the present invention, an insulating tie rod 10 is also installed on the insulating housing 1 of the solid-sealed pole post with primary and secondary deep fusion.

One end of the insulating rod 10 is connected to the moving end of the vacuum interrupter 2 , and the other end extends out of the insulating housing 1 .

Its technical effect is: used to connect or disconnect the circuit.

In a preferred embodiment of the present invention, one end of the soft connection 14 of the solid-sealed pole with the first and second deep fusion is connected to the movable end of the vacuum interrupter 2 and the insulating rod 10, and the other end is connected to The outgoing conductive rod 6 .

The technical effect is that the moving end of the vacuum interrupter 2 is drawn out.

In a preferred embodiment of the present invention, the metal shielding net 25 of the solid-sealed poles fused to the primary and secondary depths extends from the outer side of the movable end of the vacuum interrupter 2 to the outer side of the insulating rod 10 .

The metal shielding net 25 is coaxially sleeved under the vacuum interrupter 2 in a cylindrical shape, and embedded in the insulating housing 1 through epoxy resin.

The technical effect is as follows: the electromagnetic interference problem after the deep integration of primary and secondary equipment is solved, and the overall electromagnetic anti-interference level of the equipment is improved.

In a preferred embodiment of the present invention, the secondary lead of the current sensor of the solid-sealed pole with the primary and secondary deep fusion leads out the current signal through the fourth conductive insert.

The secondary lead 22 of the second voltage sensor leads out the low-voltage terminal voltage signal through the second conductive insert.

The secondary lead 21 of the first voltage sensor leads out the voltage signal of the high voltage terminal through the first conductive insert.

The technical effect of the invention lies in: realizing the extraction of the voltage signal.

In a preferred embodiment of the present invention, the power supply device of the solid-sealed pole with the primary and secondary deep fusion is powered through the fully insulated power supply voltage transformer interface 26 provided on the insulating housing 1 .

A conductor 27 is provided in the insulating housing 1 corresponding to the fully insulated power supply voltage transformer interface 26 .

One end of the conductor 27 is connected to the metal shielding net 25 through a conductor lead 28, and the other end is connected to a cable through a fully insulated power supply voltage transformer interface 26 to lead out the voltage signal.

The technical effect is: realizing the function of taking electricity.

In a preferred embodiment of the present invention, an incoming wire end cap 16 is provided on the side where the incoming wire electrical connector 18 is disposed on the insulating housing 1 of the solid-sealed pole post with primary and secondary deep fusion.

The inlet end cover 16 is sealed by the inlet seal 15 .

The inlet seal 15 is pressed by the inlet nut 17 .

Its technical effect is: effectively reduce bounce and wear and increase environmental tolerance.

In a preferred embodiment of the present invention, an outlet end cap 4 is provided on the insulating housing 1 of the solid-sealed pole with the primary and secondary deep fusion on the side where the outlet electrical connector 7 is arranged.

The outlet end cap 4 is sealed by the outlet seal 3 .

The outlet seal 3 is pressed by the outlet nut 5 .

Its technical effect is: effectively reduce bounce and wear and increase environmental tolerance.

The embodiment of the present invention is intended to protect a solid-sealed pole with primary and secondary deep fusion, and has the following effects:

1. High integration, reasonable design and complete practicality, improve the level of integration and modularization of primary and secondary equipment, meet the requirements of interface compatibility, expandability and interchangeability of primary and secondary equipment, and achieve primary and secondary equipment The goal of deep integration in one step. It can not only avoid the problem of the large size of the vacuum circuit breaker caused by the external current transformer and the voltage transformer in the prior art, but also reduce the corrosion problem caused by the long-term exposure of the current transformer and the voltage transformer to the air.

2. Two voltage sensors are poured into the solid-sealed pole, which can operate in a closed loop and monitor the phase voltage and zero-sequence voltage signals on both sides of the vacuum interrupter fracture; the current sensor in the solid-sealed pole can monitor the current situation in real time. The monitored voltage and current signals can be used to estimate the equipment status and support feeder automation; the capacitor power taking PT casted in the solid-sealed pole can realize the capacitor power taking function, or the power taking can be realized by pouring the fully insulated power supply voltage transformer interface. Function.

3. In addition to casting current sensors to monitor phase sequence and zero sequence current signals, the solid-sealed pole is also compatible with conventional current transformers to monitor phase sequence and zero sequence current signals.

4. The internal electric field is evenly distributed, there is no potential difference between the various parts of the cover after closing, the voltage equalization effect is good, and the insulating ability is strong. The shielding technology of insulating layer and new semiconductor layer is adopted, combined with effective grounding method, to solve the problem of primary and secondary The electromagnetic interference problem after the deep integration of the equipment has improved the overall electromagnetic anti-interference level of the equipment.

It should be understood that the above-mentioned specific embodiments of the present invention are only used to illustrate or explain the principle of the present invention, but not to limit the present invention. Therefore, any modifications, equivalent replacements, improvements, etc. made without departing from the spirit and scope of the present invention should be included within the protection scope of the present invention. Furthermore, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalents of such scope and boundaries.

Claims (10)

1. A solid-sealed pole post for primary and secondary deep fusion, characterized in that it comprises an insulating casing, and the insulating casing is provided with a vacuum interrupter, a power-taking device, a current detection device, a first voltage sensor, a second two voltage sensors, a metal shielding mesh, a first conductive insert, a second conductive insert, a third conductive insert and a fourth conductive insert; An incoming wire electrical connector and an outgoing wire electrical connector are installed on the insulating housing. 2. The solid-sealing pole of primary and secondary deep fusion according to claim 1, wherein, An outlet conducting rod is also arranged in the insulating housing; the metal shielding net is connected to the outgoing conductor rod; the outgoing wire conductive rod is connected to the outgoing wire electrical connector; The static end of the vacuum interrupter is connected to the incoming line electrical connector; The current detection device adopts a current sensor; The current sensor is arranged coaxially with the outgoing conductive rod, and the current signal is drawn out through the secondary lead of the current sensor; The power taking device adopts a power taking PT; One end of the power-taking PT is connected to the metal shielding net through the power-taking PT primary lead, and the other end draws out the voltage signal through the power-taking PT secondary lead; The first voltage sensor is arranged around the fracture of the vacuum interrupter, one end is connected to the static end of the vacuum interrupter through the primary lead of the first voltage sensor, and the other end leads out the voltage signal through the secondary lead of the first voltage sensor ; The second voltage sensor is arranged around the fracture of the vacuum interrupter, one end is connected to the metal shielding net through the primary lead of the second voltage sensor, and the other end leads out the voltage signal through the secondary lead of the second voltage sensor. 3. The solid-sealed pole of primary and secondary deep fusion according to claim 2, wherein, One end of the outgoing conductor rod is connected to the movable end of the vacuum interrupter through a soft connection, and the other end is connected to the outgoing electrical connector. 4. The solid-sealed pole of primary and secondary deep fusion according to claim 3, wherein, An insulating pull rod is also installed on the insulating housing; One end of the insulating pull rod is connected with the moving end of the vacuum interrupter, and the other end extends out of the insulating housing. 5. The solid-sealed pole of primary and secondary deep fusion according to claim 4, characterized in that, One end of the soft connection is connected to the movable end of the vacuum interrupter and the insulating pull rod, and the other end is connected to the outgoing conductor rod. 6. The solid-sealed pole of primary and secondary deep fusion according to claim 4, characterized in that, The metal shielding mesh extends from the outer side of the movable end of the vacuum interrupter to the outer side of the insulating rod. 7. The solid-sealed pole of primary and secondary deep fusion according to claim 2, characterized in that, The secondary lead of the current sensor leads out the current signal through the fourth conductive insert; The power-taking PT secondary lead leads out the voltage signal through the third conductive insert; The secondary lead of the second voltage sensor leads out the voltage signal of the low-voltage terminal through the second conductive insert; The secondary lead of the first voltage sensor leads out the voltage signal of the high voltage terminal through the first conductive insert. 8. The solid-sealed pole of primary and secondary deep fusion according to claim 1, characterized in that, The power taking device supplies power through the fully insulated power supply voltage transformer interface provided on the insulating housing; A conductor is provided in the insulating shell corresponding to the interface of the fully insulated power supply voltage transformer; One end of the conductor is connected to the metal shielding net through the conductor lead, and the other end is connected to the cable through the fully insulated power supply voltage transformer interface to lead out the voltage signal; The current detection device adopts a current transformer. 9. The solid-sealed pole of primary and secondary deep fusion according to claim 1, wherein, An inlet end cover is provided on the side of the insulating housing on which the inlet electrical connector is arranged; The inlet end cover is sealed by the inlet seal; The incoming wire seal is compressed by the incoming wire nut. 10. The solid-sealed pole of primary and secondary deep fusion according to claim 1, characterized in that, An outlet end cover is provided on the side of the insulating housing on which the outlet electrical connector is arranged; The outlet end cover is sealed by the outlet seal; The outlet seal is pressed by the outlet nut.

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