CN114895091A

CN114895091A - Capacitor voltage transformer

Info

Publication number: CN114895091A
Application number: CN202210427382.0A
Authority: CN
Inventors: 许小妹; 许锡海; 许明君
Original assignee: WUXI SPECIAL POWER CAPACITOR FACTORY
Current assignee: WUXI SPECIAL POWER CAPACITOR FACTORY
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-08-12

Abstract

The invention relates to a capacitor voltage transformer, which comprises a transformer body and a supporting seat, wherein the transformer body is arranged on the upper end surface of the supporting seat, a dust removal mechanism is arranged right above the transformer body and fixedly connected to a U-shaped supporting frame, the U-shaped supporting frame is fixedly arranged on the upper end surface of the supporting seat, and an inductor is arranged on the U-shaped supporting frame; according to the invention, the combined structure of the dust removal mechanism and the inductor is arranged above the mutual inductor body, and the combined structure can realize intelligent dust removal on the mutual inductor body.

Description

Capacitor voltage transformer

Technical Field

The invention relates to the technical field of voltage transformers, in particular to a capacitor voltage transformer.

Background

A Capacitor Voltage Transformer (CVT) is a voltage transformer which is divided by a series capacitor, then is subjected to voltage reduction and isolation by an electromagnetic transformer and is used as a meter, relay protection and the like, and the capacitor voltage transformer can also couple carrier frequency to a power transmission line for long-distance communication, remote measurement, selective high-frequency protection of the line, remote control, teletype and the like. Therefore, compared with the conventional electromagnetic voltage transformer, the capacitive voltage transformer has many advantages in terms of economy and safety, in addition to preventing ferromagnetic resonance caused by saturation of the iron core of the voltage transformer.

The current capacitive voltage transformer mounted position is higher in outdoor environment, and more dust can be piled up to long-time unclean the clearance of capacitive voltage divider on the capacitive voltage transformer, influences capacitive voltage transformer's working property, because capacitive voltage transformer's mounted position is higher, needs the manual work to ascend a height when clearing up capacitive voltage divider and clears up, has extremely inconvenient like this. In order to solve the above problems, the present invention provides a capacitive voltage transformer.

Disclosure of Invention

(1) Technical problem to be solved

The invention aims to overcome the defects of the prior art, adapt to the practical needs and provide a capacitor voltage transformer to solve the technical problems.

(2) Technical scheme

In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:

the utility model provides a capacitance type voltage transformer, includes mutual-inductor body and supporting seat, the mutual-inductor body sets up on the up end of supporting seat, be provided with dust removal mechanism directly over the mutual-inductor body, and dust removal mechanism fixed connection is on the U-shaped support frame, the fixed setting of U-shaped support frame is on the up end of supporting seat, be provided with the inductor on the U-shaped support frame.

Furthermore, dust removal mechanism includes supporting box and fan, supporting box fixed connection is on U-shaped support frame, and has seted up the opening on the lower extreme of supporting box, fan fixed connection is on the interior roof of supporting box.

Further, be provided with sealing mechanism on the opening of supporting box, sealing mechanism includes closing plate and supporting spring, the closing plate activity is pegged graft on supporting box, and the closing plate is located the one end of supporting box and the inside wall inconsistent setting of supporting box, a supporting spring winding is connected outside the closing plate, and a supporting spring's both ends respectively fixed connection on the lateral wall of closing plate and on the inside wall of supporting box.

Further, be provided with actuating mechanism in the supporting box, actuating mechanism includes electro-magnet and magnet piece, electro-magnet and magnet piece phase-match set up, and electro-magnet fixed connection is on the inside wall of supporting box, the lateral wall fixedly connected with direction canceling release mechanical system of magnet piece, and the free end fixed connection of direction canceling release mechanical system is on the lateral wall of vertical board, vertical board fixed connection is on the up end of closing plate.

Further, direction canceling release mechanical system includes direction release link, a direction section of thick bamboo and direction reset spring, the activity of direction release link is pegged graft in a direction section of thick bamboo that resets, direction reset spring winding is connected outside the direction release link, and direction reset spring's both ends respectively fixed connection on the lateral wall of direction release link and on the lateral wall of a direction section of thick bamboo that resets.

Furthermore, an anti-loosening assembly is arranged in the supporting box.

Furthermore, the anti-loosening assembly comprises a locking rod and a locking groove, the locking rod is movably inserted in the locking groove, the locking groove is formed in a first transverse plate, the first transverse plate is fixedly connected to the inner side wall of the supporting box, the locking rod is movably inserted on a second transverse plate, the second transverse plate is fixedly connected to the side wall of the vertical plate, a second supporting spring is wound outside the locking rod, two ends of the second supporting spring are respectively fixedly connected to the side wall of the locking rod and the upper end face of the second transverse plate, one end of a first hinge rod is hinged to the upper end of the locking rod, the other end of the first hinge rod is rotatably arranged on the edge of a first rotary disc, the first rotary disc is fixedly sleeved outside the first rotary disc, the first rotary disc is rotatably arranged in the supporting box, and the edge of the first rotary disc is also rotatably provided with a second hinge rod, and No. two hinge bar activities are pegged graft in removing the through-hole, remove the through-hole and set up on vertical board, No. two hinge bar are close to that the one end of magnet piece articulates there is No. three hinge bar, and the other end of No. three hinge bar articulates on the up end of magnet piece.

Further, the lower end of the locking rod is arranged on the round head structure, and a triangular groove is formed in the free end of the first transverse plate.

Further, be provided with vibration mechanism in the support box, vibration mechanism includes spur rack and drive gear, spur rack and drive gear mesh mutually, and the fixed setting of spur rack is on the up end of closing plate, the fixed cover of drive gear is established outside No. two dwangs, and No. two dwangs rotate and set up at the support box, the support box still rotates and is provided with No. three dwangs, and No. three dwangs carry out the transmission with No. two dwangs through the drive belt and be connected, No. three dwangs external fixation cover are equipped with No. two carousels, and the equidistance is provided with a plurality of on No. two carousels and strikes the subassembly.

Furthermore, the knocking assembly comprises a knocking rod, a moving groove and a third supporting spring, the knocking rod is movably inserted into the moving groove, the moving groove is formed in the second turntable, the third supporting spring is fixedly connected to the side wall of the moving groove, and the free end of the third supporting spring is fixedly connected to one end, located in the moving groove, of the knocking rod.

(3) Has the advantages that:

according to the invention, the combined structure of the dust removal mechanism and the inductor is arranged above the mutual inductor body, and the combined structure can realize intelligent dust removal on the mutual inductor body.

The sealing mechanism is arranged at the opening of the supporting box, so that the opening of the supporting box can be plugged, specifically, when the mutual inductor body does not need to be dedusted, the fan cannot work, and the sealing mechanism can prevent dust from entering the supporting box, so that the equipment can be effectively prevented from being damaged due to the deposition of the dust, and the service life of the equipment is prolonged.

The anti-loosening assembly is arranged in the supporting box and used for locking the sealing plate and preventing the sealing plate from loosening and separating from the opening of the supporting box due to the vibration effect in the conveying process of equipment, so that dust enters the supporting box in the conveying process, and the cleanliness of the supporting box and the protection of the equipment can be better kept.

The vibration mechanism is arranged in the support box and used for knocking the support box, so that dust deposited on the outer side wall of the support box is vibrated, specifically, the vibration mechanism is driven to move in the process that the sealing plate is opened to the support box, and the inner side wall of the support box is knocked by the movement of the vibration mechanism, so that the operation difficulty of the equipment can be reduced, and meanwhile, the operation performance of the equipment is improved.

The anti-loosening device is reasonable in structural design, when the sealing mechanism works, on one hand, the anti-loosening assembly can be driven to complete an unlocking process through mutual attraction of the electromagnet and the magnet block, on the other hand, the vibration mechanism can also be driven to complete a vibration process through movement of the sealing plate, and therefore operation difficulty of equipment can be reduced and working efficiency of the equipment can be improved through linkage of the sealing mechanism, the anti-loosening assembly and the vibration mechanism.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a capacitive voltage transformer according to the present invention;

FIG. 2 is a schematic front view of the dust removing mechanism of FIG. 1 of the capacitive voltage transformer according to the present invention;

FIG. 3 is an enlarged schematic view of the structure A of FIG. 2 of the capacitive voltage transformer of the present invention;

fig. 4 is an enlarged schematic view of the vibrating mechanism in fig. 2 of the capacitive voltage transformer of the present invention.

The reference numbers are as follows:

the transformer body 1, a supporting seat 2, a U-shaped supporting frame 3, a dust removing mechanism 4, a supporting box 41, a fan 42, an inductor 5, a sealing mechanism 6, a sealing plate 61, a first supporting spring 62, an electromagnet 63, a magnet block 64, a guiding reset mechanism 65, a guiding reset rod 651, a guiding reset cylinder 652, a guiding reset spring 653, a vertical plate 66, a loosening prevention assembly 7, a locking rod 71, a locking groove 72, a first transverse plate 73, a triangular groove 74, a second transverse plate 75, a second supporting spring 76, a first hinge rod 77, a first turntable 78, a first turntable 79, a second hinge rod 710, a moving through hole 711, a third hinge rod 712, a vibration mechanism 8, a spur rack 81, a driving gear 82, a second rotating rod 83, a transmission belt 84, a third rotating rod 85, a second turntable 86, a knocking assembly 87, a knocking rod 871, a moving groove and a third supporting spring 873.

Detailed Description

The invention will be further illustrated with reference to the following figures 1-4 and examples:

a capacitance voltage transformer comprises a transformer body 1 and a supporting seat 2, the transformer body 1 is arranged on the upper end face of the supporting seat 2, a dust removing mechanism 4 is arranged right above the transformer body 1, the dust removing mechanism 4 is fixedly connected on a U-shaped supporting frame 3, the U-shaped supporting frame 3 is fixedly arranged on the upper end face of the supporting seat 2, an inductor 5 is arranged on the U-shaped supporting frame 3, the dust removing mechanism 4 comprises a supporting box 41 and a fan 42, the supporting box 41 is fixedly connected on the U-shaped supporting frame 3, an opening is arranged on the lower end of the supporting box 41, and the fan 42 is fixedly connected on the inner top wall of the supporting box 41. the invention arranges a combined structure of the dust removing mechanism 4 and the inductor 5 above the transformer body 1, the combined structure can realize intelligent dust removal of the transformer body 1, and can improve the dust removing efficiency of the transformer body 1 through the combined structure, meanwhile, the dust removal process is convenient and efficient.

In this embodiment, a sealing mechanism 6 is disposed on an opening of the supporting box 41, the sealing mechanism 6 includes a sealing plate 61 and a supporting spring 62, the sealing plate 61 is movably inserted into the supporting box 41, and one end of the sealing plate 61 located in the supporting box 41 is disposed opposite to the inner sidewall of the supporting box 41, the supporting spring 62 is wound outside the sealing plate 61, and two ends of the supporting spring 62 are respectively fixedly connected to the sidewall of the sealing plate 61 and the inner sidewall of the supporting box 41, a driving mechanism is disposed in the supporting box 41, the driving mechanism includes an electromagnet 63 and a magnet block 64, the electromagnet 63 and the magnet block 64 are disposed in a matching manner, the electromagnet 63 is fixedly connected to the inner sidewall of the supporting box 41, the sidewall of the magnet block 64 is fixedly connected to a guiding and resetting mechanism 65, a free end of the guiding and resetting mechanism 65 is fixedly connected to the sidewall of the vertical plate 66, the vertical plate 66 is fixedly connected to the upper end surface of the sealing plate 61, according to the invention, the sealing mechanism 6 is arranged at the opening of the supporting box 41, so that the opening of the supporting box 41 can be blocked, specifically, when the mutual inductor body 1 does not need to be dedusted, the fan 42 does not work, and the sealing mechanism 6 can prevent dust from entering the supporting box 41, so that the equipment can be effectively prevented from being damaged due to the deposition of the dust, and the service life of the equipment is prolonged.

In this embodiment, the guiding reset mechanism 65 includes a guiding reset rod 651, a guiding reset cylinder 652 and a guiding reset spring 653, the guiding reset rod 651 is movably inserted into the guiding reset cylinder 652, the guiding reset spring 653 is wound and connected outside the guiding reset rod 651, and two ends of the guiding reset spring 653 are respectively and fixedly connected to the sidewall of the guiding reset rod 651 and the outer sidewall of the guiding reset cylinder 652, the guiding reset mechanism 65 is arranged to provide guiding support for the movement of the magnet block 64, and meanwhile, power can be provided for the reset movement of the magnet block 64.

In this embodiment, the anti-loosening assembly 7 is disposed in the support box 41, the anti-loosening assembly 7 includes a locking rod 71 and a locking groove 72, the locking rod 71 is movably inserted into the locking groove 72, the locking groove 72 is opened on the first transverse plate 73, the first transverse plate 73 is fixedly connected to the inner side wall of the support box 41, the locking rod 71 is movably inserted into the second transverse plate 75, the second transverse plate 75 is fixedly connected to the side wall of the vertical plate 66, the locking rod 71 is externally wound and connected with the second supporting spring 76, two ends of the second supporting spring 76 are respectively fixedly connected to the side wall of the locking rod 71 and the upper end surface of the second transverse plate 75, the upper end of the locking rod 71 is hinged to one end of the first hinge rod 77, the other end of the first hinge rod 77 is rotatably disposed on the edge of the first turntable 78, the first turntable 78 is fixedly sleeved outside the first turntable 79, and the first rotation rod 79 is rotatably disposed in the support box 41, the edge of the first rotating disc 78 is further rotatably provided with a second hinge rod 710, the second hinge rod 710 is movably inserted into a moving through hole 711, the moving through hole 711 is formed in the vertical plate 66, one end, close to the magnet block 64, of the second hinge rod 710 is hinged with a third hinge rod 712, and the other end of the third hinge rod 712 is hinged to the upper end face of the magnet block 64.

In this embodiment, the lower end of the locking rod 71 is arranged in a round head structure, and the free end of the first transverse plate 73 is provided with a triangular groove 74, so that when the locking rod 71 is reset, the locking rod 71 can enter the locking groove 72 under the action of inertia force.

In this embodiment, a vibration mechanism 8 is disposed in the support box 41, the vibration mechanism 8 includes a spur rack 81 and a driving gear 82, the spur rack 81 is engaged with the driving gear 82, the spur rack 81 is fixedly disposed on the upper end surface of the sealing plate 61, the driving gear 82 is fixedly disposed outside the second rotating rod 83, the second rotating rod 83 is rotatably disposed in the support box 41, a third rotating rod 85 is rotatably disposed in the support box 41, the third rotating rod 85 and the second rotating rod 83 are in transmission connection through a transmission belt 84, the third rotating rod 85 is fixedly sleeved with the second rotating disk 86, a plurality of knocking assemblies 87 are disposed on the second rotating disk 86 at equal distances, the knocking assemblies 87 include a knocking rod 871, a moving groove 872 and a third supporting spring 873, the knocking rod 871 is movably inserted into the moving groove 872, the moving groove 872 is opened on the second rotating disk 872 86, the third supporting spring 873 is fixedly connected to the side wall of the moving groove, in addition, the free end of the third supporting spring 873 is fixedly connected to one end, located in the moving groove 872, of the knocking rod 871, in the supporting box 41, the vibration mechanism 8 is arranged and used for knocking the supporting box 41, so that dust deposited on the outer side wall of the supporting box 41 is shaken off, specifically, in the process that the sealing plate 61 is opened to the opening of the supporting box 41, the vibration mechanism 8 is driven to move, the movement of the vibration mechanism 8 can realize knocking on the inner side wall of the supporting box 41, and therefore the operation difficulty of the equipment can be reduced, and meanwhile, the operation performance of the equipment is improved. The anti-loosening device is reasonable in structural design, when the sealing mechanism 6 works, on one hand, the anti-loosening assembly 7 can be driven to complete an unlocking process through mutual attraction of the electromagnet 63 and the magnet block 64, on the other hand, the vibration mechanism 8 can also be driven to complete a vibration process through movement of the sealing plate 61, and therefore operation difficulty of equipment can be reduced and working efficiency of the equipment can be improved through linkage of the sealing mechanism 6, the anti-loosening assembly 7 and the vibration mechanism 8.

The working principle of the invention comprises the following processes:

when the inductor 5 induces that dust is deposited on the mutual inductor body 1, the fan 42 and the electromagnet 63 are electrified to work;

the operation of the fan 42 accelerates the flow of air from top to bottom, thereby blowing off dust deposited on the mutual inductor body 1;

the electromagnet 63 works to generate magnetism, and the magnet block 64 moves to the right under the attraction of the magnetic force; the magnet block 64 moves rightwards relative to the vertical plate 66 at the initial stage of rightward movement, at the moment, the movement of the magnet block 64 pulls the first turntable 78 to rotate clockwise through the third hinge rod 712 and the second hinge rod 710, and the rotation of the first turntable 78 pulls the locking rod 71 to move upwards through the first hinge rod 77 to be separated from the locking groove 72; as the magnet block 64 continues to move, the sealing plate 61 is pulled to move rightwards through the guide resetting mechanism 65 and the vertical plate 66, so that the opening of the support box 41 is opened, and a working environment is provided for the fan 42;

in the process that the sealing plate 61 moves rightwards, the straight rack 81 drives the driving gear 82 to rotate, the driving gear 82 rotates and drives the second turntable 86 to rotate through the second rotating rod 83, the transmission belt 84 and the third rotating rod 85, and the second turntable 86 rotates and drives the knocking component 87 to rotate to the inner side wall of the supporting box 41, so that the supporting box 41 can generate mechanical vibration to shake off dust deposited on the outer side wall of the supporting box 41; and the knocking assembly 87 adopts a telescopic structure, so that the equipment can be prevented from being stuck, and the equipment can work smoothly.

The invention has the beneficial effects that:

according to the invention, the combined structure of the dust removal mechanism 4 and the inductor 5 is arranged above the mutual inductor body 1, and the combined structure can realize intelligent dust removal on the mutual inductor body 1, so that the dust removal efficiency of the mutual inductor body 1 can be improved, and the dust removal process can be ensured to be convenient and efficient.

According to the invention, the sealing mechanism 6 is arranged at the opening of the supporting box 41, so that the opening of the supporting box 41 can be blocked, specifically, when the mutual inductor body 1 does not need to be dedusted, the fan 42 does not work, and the sealing mechanism 6 can prevent dust from entering the supporting box 41, so that the equipment can be effectively prevented from being damaged due to the deposition of the dust, and the service life of the equipment is prolonged.

The anti-loosening assembly 7 is arranged in the supporting box 41, and the anti-loosening assembly 7 is used for locking the sealing plate 61, so that the sealing plate 61 is prevented from loosening and separating from the opening of the supporting box 41 due to the vibration effect in the conveying process of equipment, and dust is prevented from entering the supporting box 41 in the conveying process, so that the cleanliness of the supporting box 41 can be better kept, and the equipment can be protected.

In the invention, the vibration mechanism 8 is arranged in the support box 41 and is used for knocking the support box 41 so as to shake off dust deposited on the outer side wall of the support box 41, specifically, the vibration mechanism 8 is driven to move in the process that the sealing plate 61 is opened to the support box 41, and the inner side wall of the support box 41 is knocked by the movement of the vibration mechanism 8, so that the operation difficulty of the equipment can be reduced, and meanwhile, the operation performance of the equipment is improved.

The anti-loosening device is reasonable in structural design, when the sealing mechanism 6 works, on one hand, the anti-loosening assembly 7 can be driven to complete an unlocking process through mutual attraction of the electromagnet 63 and the magnet block 64, on the other hand, the vibration mechanism 8 can also be driven to complete a vibration process through movement of the sealing plate 61, and therefore operation difficulty of equipment can be reduced and working efficiency of the equipment can be improved through linkage of the sealing mechanism 6, the anti-loosening assembly 7 and the vibration mechanism 8.

The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.

Claims

1. The utility model provides a capacitance type voltage transformer, includes mutual-inductor body (1) and supporting seat (2), mutual-inductor body (1) sets up on the up end of supporting seat (2), its characterized in that, be provided with dust removal mechanism (4) directly over mutual-inductor body (1), and dust removal mechanism (4) fixed connection is on U-shaped support frame (3), U-shaped support frame (3) are fixed to be set up on the up end of supporting seat (2), be provided with inductor (5) on U-shaped support frame (3).

2. A capacitive voltage transformer according to claim 1, wherein: dust removal mechanism (4) are including supporting box (41) and fan (42), supporting box (41) fixed connection is on U-shaped support frame (3), and has seted up the opening on the lower extreme of supporting box (41), fan (42) fixed connection is on the interior roof of supporting box (41).

3. A capacitive voltage transformer according to claim 2, wherein: be provided with sealing mechanism (6) on the opening of supporting box (41), sealing mechanism (6) include closing plate (61) and supporting spring (62), closing plate (61) activity is pegged graft on supporting box (41), and closing plate (61) is located the one end of supporting box (41) and the inside wall inconsistent setting of supporting box (41), supporting spring (62) winding is connected outside closing plate (61), and the both ends difference fixed connection of a supporting spring (62) is on the lateral wall of closing plate (61) and on the inside wall of supporting box (41).

4. A capacitive voltage transformer according to claim 3, wherein: be provided with actuating mechanism in support box (41), actuating mechanism includes electro-magnet (63) and magnet piece (64), electro-magnet (63) and magnet piece (64) phase-match set up, and electro-magnet (63) fixed connection is on the inside wall of support box (41), the lateral wall fixedly connected with direction canceling release mechanical system (65) of magnet piece (64), and the free end fixed connection of direction canceling release mechanical system (65) is on the lateral wall of vertical board (66), vertical board (66) fixed connection is on the up end of closing plate (61).

5. The capacitive voltage transformer of claim 4, wherein: the guide reset mechanism (65) comprises a guide reset rod (651), a guide reset cylinder (652) and a guide reset spring (653), wherein the guide reset rod (651) is movably inserted into the guide reset cylinder (652), the guide reset spring (653) is wound outside the guide reset rod (651), and two ends of the guide reset spring (653) are respectively and fixedly connected to the side wall of the guide reset rod (651) and the outer side wall of the guide reset cylinder (652).

6. The capacitive voltage transformer of claim 5, wherein: an anti-loosening assembly (7) is arranged in the supporting box (41).

7. A capacitive voltage transformer according to claim 6, wherein: the anti-loosening assembly (7) comprises a locking rod (71) and a locking groove (72), the locking rod (71) is movably inserted in the locking groove (72), the locking groove (72) is formed in a first transverse plate (73), the first transverse plate (73) is fixedly connected to the inner side wall of the supporting box (41), the locking rod (71) is movably inserted in a second transverse plate (75), the second transverse plate (75) is fixedly connected to the side wall of the vertical plate (66), a second supporting spring (76) is wound outside the locking rod (71), two ends of the second supporting spring (76) are fixedly connected to the side wall of the locking rod (71) and the upper end face of the second transverse plate (75) respectively, the upper end of the locking rod (71) is hinged with one end of a first hinge rod (77), and the other end of the first hinge rod (77) is rotatably arranged on the edge of a first turntable (78), a carousel (78) fixed cover is established outside dwang (79), and dwang (79) rotate to set up in supporting box (41), the edge of carousel (78) still rotates and is provided with hinge bar (710) No. two, and hinge bar (710) activity is pegged graft in shift hole (711), shift hole (711) are seted up on vertical board (66), the one end that hinge bar (710) are close to magnet piece (64) articulates there is hinge bar (712 No. three, and the other end of hinge bar (712) articulates on the up end of magnet piece (64).

8. A capacitive voltage transformer according to claim 7, wherein: the lower end of the locking rod (71) is arranged on a round head structure, and a triangular groove (74) is formed in the free end of the first transverse plate (73).

9. A capacitive voltage transformer according to any one of claims 3 to 8, wherein: be provided with vibration mechanism (8) in supporting box (41), vibration mechanism (8) include spur rack (81) and drive gear (82), spur rack (81) and drive gear (82) mesh mutually, and spur rack (81) are fixed to be set up on the up end of closing plate (61), drive gear (82) fixed cover is established outside No. two dwang (83), and No. two dwang (83) rotate and set up in supporting box (41), it is provided with No. three dwang (85) still to rotate in supporting box (41), and No. three dwang (85) carry out the transmission with No. two dwang (83) through drive belt (84) and be connected, No. three dwang (85) external fixation cover is equipped with No. two carousel (86), and the equidistance is provided with a plurality of subassembly (87) of strikeing on No. two carousel (86).

10. A capacitive voltage transformer according to claim 9, wherein: strike subassembly (87) including striking pole (871), shifting chute (872) and No. three supporting spring (873), strike pole (871) activity grafting in shifting chute (872), and shifting chute (872) are seted up on No. two carousel (86), fixedly connected with No. three supporting spring (873) on the lateral wall of shifting chute (872), and the free end fixed connection of No. three supporting spring (873) is located one end in shifting chute (872) striking pole (871).