CN104078255B - A kind of high-tension switch gear with electromagnetic lock - Google Patents

Abstract

A high-voltage switchgear with an electromagnetic lock, including a high-voltage switch, a first electromagnetic locking mechanism, and a second electromagnetic locking mechanism, the high-voltage switch includes a control module and a switch execution module; the control module is used to execute the switch The switch execution module is used to perform the actual switching operation of the high-voltage circuit; the switch execution module includes: a support frame (12), a moving contact (1), an impacted contact (2), a first telescopic The limit pin (6), the second telescopic limit pin (7) and the third telescopic limit pin (8), the moving contact (1) and the impacted contact (2) are respectively connected to two high-voltage circuit Terminal, the support frame (12) supports the moving contact (1) and the struck contact (2); the first telescopic limit pin (6), the second telescopic limit pin (7) and the first telescopic limit pin (7) Three telescopic limit pins (8) are sequentially arranged in the support frame (12) from right to left.

Description

A high voltage switchgear with electromagnetic lock

technical field

The application relates to the field of high-voltage switches, specifically a high-voltage switchgear with an electromagnetic lock.

Background technique

A high-voltage switch is a commonly used switch in the field, and its high-voltage-resistant material and layout design have mature solutions in the field. In order to realize the remote operation of the high voltage switch, a high voltage isolating switch is now available.

Since sparks and arcs are prone to occur in high-voltage lines, the opening and closing actions of high-voltage switches often require a relatively fast speed. However, while the speed is fast, it is often prone to large shock vibrations, which will affect the reliability and safety of electrical equipment.

Contents of the invention

The invention provides a control method of a high-voltage isolating switch, which can realize remote high-voltage switch action, and meanwhile has less impact, and is safe and reliable.

The scheme that the present invention adopts is as follows:

A high-voltage switchgear with an electromagnetic lock, including a high-voltage switch, a first electromagnetic locking mechanism, and a second electromagnetic locking mechanism, the high-voltage switch includes a control module and a switch execution module; the control module is used to execute the switch The module performs control, and the switch execution module is used to perform the actual switching operation of the high-voltage circuit;

The switch execution module includes: a support frame, a moving contact, a struck contact, a first telescopic limit pin, a second telescopic limit pin and a third telescopic limit pin, the moving contact and the struck contact The two terminals of the high-voltage circuit are respectively connected, and the support frame supports the moving contact and the impacted contact; the first telescopic limit pin, the second telescopic limit pin and the third telescopic limit pin are in turn set in the support frame to the left;

The middle part of the left side of the moving contact is provided with a protruding contact, and the protruding contact extends away from the left, the right side of the moving contact is connected with the left end of the moving contact spring, and the right end of the moving contact spring Connected to the left side of the right bracket, the right side of the right bracket is fixedly provided with a right electromagnetic coil; the right side of the bumped contact is used to contact the protruding contact, and the bumped contact The left side of the left side is connected with the right end of the impacted contact spring, and the left end of the impacted contact spring is connected with the right side of the left bracket, and the left side of the left bracket is fixedly provided with a left electromagnetic coil; the first telescopic limiter The position pin, the second telescopic limit pin and the third telescopic limit pin all include a pin body, and the top end of the pin body has a wedge-shaped inclined plane, and the wedge-shaped inclined plane makes the pin body form an upwardly tapered Pointed shape, the middle part of the pin body of the third telescopic limit pin has a limit annular flange, and the limit ring flange of the pin body of the third telescopic limit pin and its wedge-shaped inclined plane are on the pin body The lengthwise direction is separated by a certain distance; the pin body of the third telescopic limit pin can be stretched up and down through the pin hole arranged on the support frame at the upper part of the limit ring flange, and its limit The position annular flange can limit the upward extension limit position of the pin body of the third telescopic limit pin; the upper part of the pin body of the first and second telescopic limit pin has a limit annular flange, The limit annular flange of the pin body of the first and second telescopic limit pins is adjacent to its wedge-shaped inclined plane; the pin body of the first and second telescopic limit pin is on the upper part of the limit ring flange The wedge-shaped inclined plane can be stretched up and down through the pin hole provided on the support frame, and its limit ring flange can extend upward to the extreme position of the wedge-shaped inclined plane of the first and second telescopic limit pins. Limiting; the lower end of the pin body of the first telescopic limiting pin is connected to the upper end of the first pin spring, and the lower end of the first pin spring is supported on the bottom step of its pin hole, and the first telescopic limiting pin The lower end of the pin body of the pin is also fixedly connected with the upper end of the first pull rod, the first pull rod passes through the center of the first pin spring and passes through the support frame from the center of the bottom step of the pin hole, the first pull rod The lower end protrudes from the lower surface of the support frame; the lower end of the pin body of the second telescopic limit pin is connected to the upper end of the second pin spring, and the lower end of the second pin spring is supported on the bottom step of the pin hole Above, the lower end of the pin body of the second telescopic limit pin is also fixedly connected to the upper end of the second pull rod, and the second pull rod passes through the center of the second pin spring and passes through the center of the bottom step of the pin hole. The support frame protrudes from the lower surface of the support frame; the lower end of the pin body of the third telescopic limit pin is connected with a third pin spring, and the third pin spring shown is directly connected with the support frame; The wedge-shaped inclined plane of the pin body of the third telescopic limit pin faces to the right, the wedge-shaped inclined plane of the pin body of the second telescopic limit pin faces to the right, and the wedge-shaped inclined plane of the pin body of the first telescopic limit pin faces to the right. Plane facing left;

When the initial state of the high voltage isolating switch is off, the first telescopic limit pin, the second telescopic limit pin and the third telescopic limit pin all protrude from the On the upper surface of the support frame, the lower part of the movable contact is pressed against the right side of the pin body of the first retractable limit pin under the action of the movable contact spring, and the movable contact spring is in a compressed state ; The lower part of the right side of the impacted contact is pressed against the left side of the pin body of the third retractable limit pin under the action of the impacted contact spring, and the impacted contact spring is in a compressed state ; in this case, the high voltage disconnector can be closed by performing the following steps:

ai. pull down the first pull rod from the lower end of the first pull rod, so that the pin body of the first telescopic limit pin shrinks down against the elastic force of the first pin spring;

aii. The moving contact springs out to the left under the action of the moving contact spring, and the pin body of the second telescopic limit pin is pressed down when its wedge-shaped inclined plane acts on the moving contact; the moving contact The protruding contact of the head realizes impact contact with the middle part of the right side of the impacted contact during the movement, so as to realize the closure of the high-voltage circuit;

aiii. Under the control of the control module, the left electromagnetic coil is powered on, attracting the moving contact to continue to move to the left until the lower left side of the moving contact is vertical to the right side of the third retractable limit pin Planar contact, at this time, the second telescopic limit pin has stretched out from the support frame under the action of its pin spring;

aiv. When the left lower part of the movable contact contacts the right vertical plane of the third retractable limit pin, under the control of the control module, the left electromagnetic coil is powered off, and the Under the joint action of the contact spring and the moving contact spring, the struck contact and the moving contact move to the right for a certain distance as a whole under the condition of keeping engaged. At this time, the right side of the moving contact The lower part of the side is in contact with the left vertical surface of the pin body of the second retractable limit pin, and the moving contact spring is in a stretched state; thus, the moving contact and the struck contact A stable joint state is reached, and the high-voltage circuit is in a stable closed state;

When the high voltage isolating switch is in the stable closed state, the high voltage isolating switch can be disconnected through the following steps:

bi. pull down the second pull rod from the lower end of the second pull rod, so that the pin body of the second telescopic limit pin shrinks against the elastic force of the second pin spring;

bii. The moving contact and the impacted contact as a whole are ejected to the right under the joint action of the moving contact spring and the impacted contact spring; when the lower part of the right side of the impacted contact When the left side of the pin body of the third retractable limit pin is in contact, the impacted contact stops moving, and the moving contact continues to move to the right, and the protruding contact of the moving contact contacts with the moving contact during the movement. The middle part of the right side of the impacted contact is separated to realize the disconnection of the high-voltage circuit;

biii. Under the control of the control module, the right electromagnetic coil is energized to attract the moving contact to continue to move to the right, and when the moving contact moves, the pin body of the first telescopic limit pin is on its wedge-shaped inclined plane It is pressed down when it acts on the movable contact; when the lower left side of the movable contact moves to the right of the right vertical plane of the first telescopic limit pin, the first telescopic limit pin is on its pin spring under the action of protruding from the support frame;

biv. Under the control of the control module, the right electromagnetic coil is powered off, and the left lower part of the moving contact contacts the right side of the first retractable limit pin under the action of the moving contact spring. Vertical plane contact; thus, the moving contact and the impacted contact reach a stable disengagement state, and the high-voltage circuit is in a stable disconnection state;

The first electromagnetic locking mechanism is used to lock the movement of the pin body of the first telescopic limit pin, and is located on the right side of the pin body of the first telescopic limit pin. The first electromagnetic locking mechanism includes the first A sliding support frame, a first right-angle type locking member, a first electromagnetic device, and a first spring, the first sliding support frame is fixed in the support frame, and the first right-angle type locking member includes a first vertical iron block portion and the first horizontal locking pin part, the first vertical iron block part and the first horizontal locking pin part are fixedly connected at right angles, the first vertical iron block part can be attracted by the first electromagnetic device, and the first vertical iron block part can be attracted by the first electromagnetic device. A horizontal locking pin part is able to slide on the first sliding support frame, the first electromagnetic device is fixed in the support frame, between the first electromagnetic device and the first vertical iron block part A first spring is provided, and a first locking recess is provided on the right side of the pin body of the first telescopic limit pin, and the first locking recess is used to stretch the pin body of the first telescopic limit pin without being pulled For the case of the upper surface of the support frame, partially cooperate with the first horizontal locking pin, when the first electromagnetic device is not powered on, the first spring pushes the first right angle lock Push the pin body far away from the first retractable limit pin, when the first electromagnetic device is powered on, the first electromagnetic device attracts the first right-angled locking piece to overcome the elastic force of the first spring above. Slide to the left on the first sliding support frame, so that the first locking recess part cooperates with the first horizontal locking pin, so as to lock the pin body of the first telescopic limit pin and prevent it from being pulled down. shrink;

The second electromagnetic locking mechanism is used to lock the movement of the pin body of the second telescopic limit pin, and is located on the left side of the pin body of the second telescopic limit pin. The second electromagnetic locking mechanism includes a first Two sliding support frames, a second right-angle type locking element, a second electromagnetic device, and a second spring, the second sliding support frame is fixed in the support frame, and the second right-angle type locking element includes a second vertical iron block part and the second horizontal locking pin part, the second vertical iron block part and the second horizontal locking pin part are fixedly connected at right angles, the second vertical iron block part can be attracted by the second electromagnetic device, and the first Two horizontal locking pin parts can slide on the second sliding support frame, the second electromagnetic device is fixed in the support frame, between the second electromagnetic device and the second vertical iron block part A second spring is provided, and a second locking concave portion is provided on the left side of the pin body of the second telescopic limiting pin, and the second locking concave portion is used for stretching the pin body of the second telescopic limiting pin without being pulled. In the case of the upper surface of the support frame, it cooperates with the second horizontal locking pin part, and when the second electromagnetic device is not powered, the second spring pushes the second right angle lock Push the pin body far away from the second retractable limit pin, when the second electromagnetic device is powered on, the second electromagnetic device attracts the second right-angled locking piece to overcome the elastic force of the second spring above. Slide to the right on the second sliding support frame, so that the second locking recess partly cooperates with the second horizontal locking pin, so as to lock the pin body of the second telescopic limit pin and prevent it from being pulled down. shrink.

Through this solution, since the moving contact is at a relatively fast speed when the two contacts collide, it can be ensured that there will be no sparking and arcing due to the short distance between the contacts for a long time, and because the struck contact has Spring function, the spring plays the role of energy absorption and energy storage, and its impact vibration is small; at the same time, when the circuit is disconnected, it is also realized under the condition of motion, so that when the moving contact is separated from the impacted contact, the moving contact The contact already has an initial velocity, which can better avoid the above-mentioned sparking and arcing phenomena; and the telescopic pin is used, and the disconnection or closure state of the circuit is safe and reliable after it stabilizes. Through the design of each telescopic pin, the locking of the circuit is well realized.

Description of drawings

Fig. 1 is the state diagram of switch execution module when step aiii;

Fig. 2 is a state diagram of the switch execution module at the time of step aiv;

Fig. 3 is a state diagram of the switch execution module in steps aii and bii;

Fig. 4 is a state diagram of the switch execution module in step biv.

detailed description

The present invention will be described in detail below with reference to FIGS. 1-4.

A high-voltage switchgear with an electromagnetic lock, including a high-voltage switch, a first electromagnetic locking mechanism, and a second electromagnetic locking mechanism, the high-voltage switch includes a control module and a switch execution module; the control module is used to execute the switch The module performs control, and the switch execution module is used to perform the actual switching operation of the high-voltage circuit;

The switch execution module includes: a support frame 12, a movable contact 1, a struck contact 2, a first telescopic limit pin 6, a second telescopic limit pin 7, and a third telescopic limit pin 8. The head 1 and the impacted contact 2 are respectively connected to two terminals of the high-voltage circuit, and the support frame 12 supports the moving contact 1 and the impacted contact 2; the first telescopic limit pin 6, the second telescopic limit pin The position pin 7 and the third telescopic limit pin 8 are sequentially arranged in the support frame 12 from right to left;

The middle part of the left side of the moving contact 1 is provided with a protruding contact 11, and the protruding contact 11 extends away from the left, and the right side of the moving contact 1 is connected with the left end of the moving contact spring 3, and the moving contact The right end of contact spring 3 is connected on the left side of right support 4, and the right side of described right support 4 is fixedly provided with right electromagnetic coil 5; The contacts 11 are in contact, the left side of the impacted contact 2 is connected to the right end of the impacted contact spring 9, and the left end of the impacted contact spring 9 is connected to the right side of the left bracket 14, and the left bracket 14 The left side of the left side is fixedly provided with a left electromagnetic coil 15; the first telescopic limit pin 6, the second telescopic limit pin 7 and the third telescopic limit pin 8 all include a pin body, and the top end of the pin body has a wedge-shaped Inclined planes, and the wedge-shaped inclined planes all make the pin body form a pointed shape that tapers upwards. The middle part of the pin body of the third telescopic limit pin 8 has a limit annular flange 81. The first The limit annular flange 81 of the pin body of three telescopic limit pins 8 and its wedge-shaped inclined plane are separated by a certain distance in the longitudinal direction of the pin body; The upper portion of the annular flange 81 can be stretched up and down through the pin hole provided on the support frame 12, and its limiting annular flange 81 can limit the upward extension of the pin body of the third telescopic limiting pin 8. The position is limited; the upper part of the pin body of the first and second telescopic limit pins 6, 7 has a limit annular flange 61, and the pin body of the first and second telescopic limit pins 6, 7 The limiting annular flange 61 is adjacent to its wedge-shaped inclined plane; the wedge-shaped inclined plane of the pin body of the first and second telescopic limit pins 6, 7 on the upper part of its limiting annular flange 81 can pass through the wedge-shaped inclined plane arranged on the The pin holes on the support frame 12 are stretched up and down, and the limit annular flange 81 can limit the upward extension limit position of the wedge-shaped inclined plane of the first and second telescopic limit pins 6, 7; The lower end of the pin body of the first telescopic limit pin 6 is connected to the upper end of the first pin spring 62, and the lower end of the first pin spring 62 is supported on the bottom step of its pin hole, and the first telescopic limit pin The lower end of the pin body of 6 is also fixedly connected with the upper end of the first pull rod 63, and the first pull rod 63 passes through the center of the first pin spring 62 and passes through the support frame 12 from the center of the bottom step of the pin hole, so The lower end of the first pull rod 63 protrudes from the lower surface of the support frame 12; the lower end of the pin body of the second telescopic limit pin 7 is connected to the upper end of the second pin spring 72, and the second pin spring 72 The lower end is supported on the bottom step of its pin hole, and the lower end of the pin body of the second telescopic limiter pin 7 is also fixedly connected with the upper end of the second pull rod 73, and the second pull rod 73 passes through the second pin spring 72 The center of the bottom step of the pin hole passes through the support frame 12 and protrudes from the lower surface of the support frame 12; the lower end of the pin body of the third telescopic limit pin 8 is connected with a third pin spring 72 , the third pin spring 72 shown is directly connected to the support frame 12; the wedge-shaped inclined plane of the pin body of the third telescopic limit pin 8 faces to the right, and the pin of the second telescopic limit pin 7 The wedge-shaped inclined plane of the body faces to the right, and the wedge-shaped inclined plane of the pin body of the first telescopic limit pin 6 faces to the left;

When the initial state of the high-voltage isolating switch is disconnected, the first telescopic limit pin 6, the second telescopic limit pin 7 and the third telescopic limit pin 8 are in the respective pin springs 62, 72, 82 Under the action, they all protrude from the upper surface of the support frame 12, and the lower part of the movable contact 1 is pressed against the pin body of the first telescopic limit pin 6 under the action of the movable contact spring 3. On the right side, the moving contact spring 3 is in a compressed state; the lower part of the right side of the impacted contact 2 is pressed against the third retractable limit pin 8 under the action of the impacted contact spring 9 On the left side of the pin body, the struck contact spring 9 is in a compressed state; in this case, the high-voltage isolating switch can be closed by performing the following steps:

ai. pull down the first pull rod 63 from the lower end of the first pull rod 63, so that the pin body of the first telescopic limit pin 6 overcomes the elastic force of the first pin spring 62 and shrinks;

aii. The movable contact 1 pops up to the left under the action of the movable contact spring 3, and the pin body of the second telescopic limit pin 7 is pressed down when its wedge-shaped inclined plane acts on the movable contact 1; The protruding contact 11 of the movable contact 1 realizes impact contact with the middle part of the right side of the impacted contact 2 during the movement, so as to realize the closure of the high-voltage circuit;

aiii. Under the control of the control module, the left electromagnetic coil 15 is powered on, and the movable contact 1 is attracted to continue to move to the left until the left lower part of the movable contact 1 is in contact with the third retractable limit pin 8 The right vertical plane is in contact, and at this moment, the second telescopic limiter pin 7 has stretched out from the support frame 12 under the action of its pin spring 72;

aiv. When the left lower part of the movable contact 1 contacts the right vertical plane of the third retractable limit pin 8, under the control of the control module, the left electromagnetic coil 15 is powered off, and the Under the combined action of the impacted contact spring 9 and the moving contact spring 3, the impacted contact 2 and the moving contact 1 move to the right for a certain distance as a whole while maintaining engagement. At this time, The lower part of the right side of the movable contact 1 is in contact with the left vertical surface of the pin body of the second retractable limit pin 7, and the movable contact spring 3 is in a stretched state; thus, the The moving contact 1 and the struck contact 2 reach a stable joint state, and the high-voltage circuit is in a stable closed state;

When the high voltage isolating switch is in the stable closed state, the high voltage isolating switch can be disconnected through the following steps:

bi. pull down the second pull rod 73 from the lower end of the second pull rod 73, so that the pin body of the second telescopic limit pin 7 overcomes the elastic force of the second pin spring 72 and shrinks;

bii. The moving contact 1 and the struck contact 2 are ejected to the right under the joint action of the moving contact spring 3 and the struck contact spring 9; When the lower part of the side contacts the left side of the pin body of the third retractable limit pin 8, the impacted contact 2 stops moving, and the moving contact 1 continues to move to the right, and the moving contact 1 The protruding contact 11 is separated from the middle part of the right side of the impacted contact 2 during the movement, so as to realize the disconnection of the high-voltage circuit;

biii. Under the control of the control module, the right electromagnetic coil 5 is energized to attract the moving contact 1 to continue to move to the right, and when the moving contact 1 moves, the pin body of the first retractable limit pin 6 is in the Its wedge-shaped inclined plane is pressed down when it acts on the moving contact 1; when the lower left side of the moving contact 1 moves to the right of the right vertical plane of the first telescopic limit pin 6, the first telescopic The limit pin 6 protrudes from the support frame 12 under the action of its pin spring 62;

biv. Under the control of the control module, the right electromagnetic coil 5 is powered off, and the left lower part of the moving contact 1 is in contact with the first retractable limit pin under the action of the moving contact spring 3 The vertical plane on the right side of 6 is in contact; thus, the moving contact 1 and the struck contact 2 reach a stable disengagement state, and the high-voltage circuit is in a stable disconnection state;

The first electromagnetic locking mechanism is used to lock the movement of the pin body of the first telescopic limit pin 6, and is located on the right side of the pin body of the first telescopic limit pin 6. The first electromagnetic locking mechanism Including a first sliding support frame 68, a first right-angle locking member 67, a first electromagnetic device 65, and a first spring 66, the first sliding support frame 68 is fixed in the support frame 12, and the first right-angle locking member 67 includes a first vertical iron block part and a first horizontal locking pin part, the first vertical iron block part and the first horizontal locking pin part are fixedly connected at right angles, and the first vertical iron block part can be fixed by the The first electromagnetic device 65 attracts, and the first horizontal locking pin part can slide on the first sliding support frame 68. The first electromagnetic device 65 is fixed in the support frame 12, and the first electromagnetic device 65 A first spring 66 is arranged between the device 65 and the first vertical iron block part, and a first locking recess 64 is arranged on the right side of the pin body of the first telescopic limit pin 6, and the first locking recess 64 is used for In the case that the pin body of the first telescopic limit pin 6 is not pulled and protrudes from the upper surface of the support frame 12, it cooperates with the first horizontal locking pin part, when the first electromagnetic When the device 65 is not powered on, the first spring 66 pushes the first right-angle locking member 67 away from the pin body of the first retractable limit pin 6 , and when the first electromagnetic device 65 is powered on , the first electromagnetic device 65 attracts the first right-angle locking member 67 to overcome the elastic force of the first spring 66 and slide to the left on the first sliding support frame 68, so that the first locking recess 64 and the first locking recess 64 Partially cooperate with the first horizontal locking pin, so as to lock the pin body of the first telescopic limit pin 6 and prevent it from being pulled down;

The second electromagnetic locking mechanism is used to lock the movement of the pin body of the second telescopic limit pin 7, and is located on the left side of the pin body of the second telescopic limit pin 7. The second electromagnetic locking mechanism Including a second sliding support frame 78, a second right-angle locking member 77, a second electromagnetic device 75, and a second spring 77, the second sliding support frame 78 is fixed in the support frame 12, and the second right-angle locking member 77 includes a second vertical iron block part and a second horizontal locking pin part, the second vertical iron block part and the second horizontal locking pin part are fixedly connected at right angles, and the second vertical iron block part can be fixedly connected by the second vertical iron block part Attracted by the second electromagnetic device 75, the second horizontal locking pin part can slide on the second sliding support frame 78, the second electromagnetic device 75 is fixed in the support frame 12, and A second spring 77 is arranged between the device 75 and the second vertical iron block part, and a second locking recess 74 is arranged on the left side of the pin body of the second telescopic limit pin 7, and the second locking recess 74 is used for In the case that the pin body of the second telescopic limit pin 7 is not pulled and protrudes from the upper surface of the support frame 12, it cooperates with the second horizontal locking pin part, when the second electromagnetic When the device 75 is not powered on, the second spring 77 pushes the second right-angled locking member 77 away from the pin body of the second retractable limit pin 7 , and when the second electromagnetic device 75 is powered on , the second electromagnetic device 75 attracts the second right-angled locking member 77 to overcome the elastic force of the second spring 77 and slide rightward on the second sliding support frame 78, so that the second locking recess 74 and the second Partially cooperate with the second horizontal locking pin, so as to lock the pin body of the second telescopic limit pin 7 and prevent it from being pulled and retracted.

Claims (1)

1. with a high-tension switch gear for electromagnetic lock, including high-voltage switch gear, the first electromagnetic locking mechanism and second Electromagnetic locking mechanism, described high-voltage switch gear includes control module and switch execution module；Described control module is used for Being controlled described switch execution module, described switch execution module is for performing the actual switch behaviour of high-tension circuit Make；

Described switch execution module includes: bracing frame (12), moving contact (1), be knocked contact (2), first Flexible spacer pin (6), second spacer pin (7) and the 3rd that stretches stretch spacer pin (8), described moving contact (1) Be knocked contact (2) and connect respectively two terminals of high-tension circuit, support frame as described above (12) supports described dynamic Contact (1) and be knocked contact (2)；Described first stretch spacer pin (6), second stretch spacer pin (7) with And the 3rd the spacer pin (8) that stretches be arranged at the most from right to left in support frame as described above (12)；

The left side central portion of described moving contact (1) is provided with protrusion contact (11), and described protrusion contact (11) is to the left Away from extension, the right side of described moving contact (1) is connected with the left end of moving contact spring (3), moving contact spring (3) Right-hand member be connected on the left side of right support (4), the right side of described right support (4) is fixedly installed right electromagnetic wire Circle (5)；The described right flank being knocked contact (2), for contacting with described protrusion contact (11), described is hit The left surface hitting contact (2) is connected with the right-hand member being knocked touch spring (9), is knocked touch spring (9) Left end be connected on the right side of left socle (14), the left side of described left socle (14) is fixedly installed left electromagnetism Coil (15)；Described first stretch spacer pin (6), second spacer pin (7) and the 3rd that stretches stretches spacer pin (8) all including shank, the top of described shank has a wedge shape tapered plane, and described wedge shape tapered plane is equal Described shank is made to form the most tapered pointed shape, the described 3rd middle part of shank stretching spacer pin (8) There is spacing collar flange A (81), the described 3rd spacing collar flange A (81) of shank stretching spacer pin (8) With its wedge shape tapered plane on the longitudinally of shank from a distance；Described 3rd stretches spacer pin (8) The shank part on its spacing collar flange A (81) top can be by being arranged on support frame as described above (12) Pin-and-hole and stretch up and down, its spacing collar flange A (81) can stretch to the 3rd spacer pin (8) shank to On stretch out extreme position and carry out spacing；Described first and second tops of shank stretching spacer pin (6,7) have Spacing collar flange B (61), the described first and second spacing collar flanges of shank stretching spacer pin (6,7) B (61) adjoins with its wedge shape tapered plane；Described first and second shanks stretching spacer pin (6,7) limit at it The wedge shape tapered plane on collar flange B (61) top, position can be by being arranged on the pin-and-hole on support frame as described above (12) And stretch up and down, its spacing collar flange B (61) can be stretched to described first and second spacer pin (6,7) The extreme position that protrudes upward of wedge shape tapered plane carry out spacing；Described first stretch spacer pin (6) shank under Holding the upper end with the first pin spring (62) to be connected, the lower end of described first pin spring (62) is supported on its pin-and-hole In bottom stage, described first the stretch shank lower end of spacer pin (6) is also solid with the upper end of the first pull bar (63) Fixed connection, described first pull bar (63) is through the center of described first pin spring (62) and from the bottom of pin-and-hole Step center passes support frame as described above (12), and the lower end of described first pull bar (63) stretches out in support frame as described above (12) Lower surface；The described second shank lower end stretching spacer pin (7) is connected with the second upper end selling spring (72), The lower end of described second pin spring (72) is supported in the bottom stage of its pin-and-hole, and described second stretches spacer pin (7) Shank lower end also fixing with the upper end of the second pull bar (73) is connected, described second pull bar (73) passes described the Two pin spring (72) centers and from the bottom stage center of pin-and-hole through support frame as described above (12) and stretch out in The lower surface of support frame as described above (12)；The described 3rd shank lower end stretching spacer pin (8) connects the 3rd pin Spring (72), described 3rd pin spring (72) is directly connected with support frame as described above (12)；Described 3rd stretches The wedge shape tapered plane of the shank of spacer pin (8) towards right side, the described second wedge of shank stretching spacer pin (7) Shape tapered plane is towards right side, and described first stretches the wedge shape tapered plane of shank of spacer pin (6) towards left side；

When the original state of described high-voltage switch gear is for disconnecting, described first stretches spacer pin (6), the second flexible limit Position pin (7) and the 3rd spacer pin (8) that stretches all is stretched under the effect of respective pin spring (62,72,82) For the upper surface of support frame as described above (12), the bottom of described moving contact (1) is in described moving contact spring (3) Effect under top be pressed in the described first right side of shank stretching spacer pin (6), described moving contact spring (3) place In compressive state；The described right flank bottom of contact (2) that is knocked is at the described work being knocked touch spring (9) With lower and push up and be pressed in the 3rd left side of shank stretching spacer pin (8), described in be knocked touch spring (9) and be in Compressive state；In this case, described high-voltage switch gear can close by performing following steps:

Ai. drop-down described first pull bar (63) from the lower end of the first pull bar (63) so that the described first flexible limit The shank of position pin (6) overcomes the elastic force of the first pin spring (62) and lower contracting；

Aii. moving contact (1) ejects under the effect of described moving contact spring (3) to the left, and described second The shank of flexible spacer pin (7) is depressed when its wedge shape tapered plane acts on moving contact (1)；Described moving contact (1) protrusion contact (11) realizes impacting type with in the middle part of the described right flank being knocked contact (2) at the volley Contact, it is achieved the Guan Bi of high-tension circuit；

Aiii. under the control of described control module, left solenoid (15) powers on, and attracts moving contact (1) Continue to be moved to the left, the right side of spacer pin (8) until the left lower of described moving contact (1) and the described 3rd stretches The contact of side perpendicular, now, second spacer pin (7) that stretches has been stretched under the effect of its pin spring (72) For support frame as described above (12)；

Aiv. when left lower and the described 3rd right vertical stretching spacer pin (8) of described moving contact (1) After plane contact, under the control of described control module, under left solenoid (15) electricity, described be knocked tactile Under jointly the acting on of head spring (9) and described moving contact spring (3), described in be knocked contact (2) and described Moving contact (1) entirety in the case of remaining engaged with moves right a segment distance, now, described moving contact (1) Stretch with the described second left side vertical face of shank of spacer pin (7), the bottom of right flank contact, described dynamic touch Head spring (3) is in extended state；Thus, described moving contact (1) and the described contact (2) that is knocked reach Stable engagement state, high-tension circuit is in stable closure state；

When described high-voltage switch gear is in described stable closure state, described high-voltage switch gear can be as follows And disconnect:

Bi. drop-down described second pull bar (73) from the lower end of described second pull bar (73) so that described second The shank of flexible spacer pin (7) overcomes the elastic force of the second pin spring (72) and lower contracting；

Bii. moving contact (1) and described in be knocked contact (2) overall described moving contact spring (3) with It is knocked described in and under the common effect of touch spring (9) and ejects to the right；When the described right side being knocked contact (2) The bottom of side stretch with the described 3rd the left contact of shank of spacer pin (8) time, described in be knocked contact (2) Stop motion, described moving contact (1) continues to move right, and the protrusion contact (11) of described moving contact (1) exists Motion departs from in the middle part of the described right flank being knocked contact (2), it is achieved the disconnection of high-tension circuit；

Biii. under the control of described control module, right solenoid (5) powers on, and attracts moving contact (1) Continuing to move right, and when described moving contact (1) moves, first stretches the shank of spacer pin (6) at it Wedge shape tapered plane is depressed when acting on moving contact (1)；When the left lower of described moving contact (1) moves to institute Stating first the stretch right vertical plane of spacer pin (6) with time right, first spacer pin (6) that stretches sells spring at it (62) support frame as described above (12) is stretched out under effect；

Biv. under the control of described control module, electricity, described moving contact (1) under described right solenoid (5) Left lower stretch with described first under the effect of described moving contact spring (3) spacer pin (6) right side erect Straight plane contact；Thus, described moving contact (1) and described be knocked the disengaged position that contact (2) reaches stable, High-tension circuit is in stable off-state；

Described first electromagnetic locking mechanism is used for locking the described first motion of shank stretching spacer pin (6), and And it being positioned at the described first right side of shank stretching spacer pin (6), described first electromagnetic locking mechanism includes first Slide holder (68), the first perpendicular type locking piece (67), the first calutron (65), the first spring (66), Described first slide holder (68) is fixed in support frame as described above (12), the first perpendicular type locking piece (67) Including the first vertical iron block part and the first horizontal lock pin part, the first vertical iron block part and the first horizontal lock Pin part is at right angles to fixing to be connected, and the described first vertical iron block part can be by described first calutron (65) Attracting, described first horizontal lock pin part can slide described first slide holder (68) is upper, and described the One calutron (65) is fixed in support frame as described above (12), described first calutron (65) with described The first spring (66) it is provided with, the described first shank stretching spacer pin (6) between first vertical iron block part Right side is provided with the first locking recess (64), and the first locking recess (64) is for stretching spacer pin described first (6) in the case of shank is not pulled and stretches out in the upper surface of support frame as described above (12), with described One horizontal lock pin part coordinates, when described first calutron (65) does not powers on, and described first spring (66) Described first perpendicular type locking piece (67) is pushed the shank of spacer pin (6) of stretching away from described first, works as institute Stating the first calutron (65) when powering on, described first calutron (65) attracts described first perpendicular type locking Part (67) overcomes the elastic force of above-mentioned first spring (66) to slide to the left on described first slide holder (68), Described first locking recess (64) is coordinated with described first horizontal lock pin part, thus stretches described first The shank locking of contracting spacer pin (6), prevents from it is pulled lower contracting；

Described second electromagnetic locking mechanism is used for locking the described second motion of shank stretching spacer pin (7), and And it being positioned at the described second left side of shank stretching spacer pin (7), described second electromagnetic locking mechanism includes second Slide holder (78), the second perpendicular type locking piece (77), the second calutron (75), the second spring (76), Described second slide holder (78) is fixed in support frame as described above (12), the second perpendicular type locking piece (77) Including the second vertical iron block part and the second horizontal lock pin part, the second vertical iron block part and the second horizontal lock Pin part is at right angles to fixing to be connected, and the described second vertical iron block part can be by described second calutron (75) Attracting, described second horizontal lock pin part can slide described second slide holder (78) is upper, and described the Two calutrons (75) are fixed in support frame as described above (12), described second calutron (75) with described The second spring (76) it is provided with, the described second shank stretching spacer pin (7) between second vertical iron block part Left side is provided with the second locking recess (74), and the second locking recess (74) is for stretching spacer pin described second (7) in the case of shank is not pulled and stretches out in the upper surface of support frame as described above (12), with described Two horizontal lock pin parts coordinate, when described second calutron (75) does not powers on, and described second spring (76) Described second perpendicular type locking piece (77) is pushed the shank of spacer pin (7) of stretching away from described second, works as institute Stating the second calutron (75) when powering on, described second calutron (75) attracts described second perpendicular type locking Part (77) overcomes the elastic force of above-mentioned second spring (76) to slide to the right on described second slide holder (78), Described second locking recess (74) is coordinated with described second horizontal lock pin part, thus stretches described second The shank locking of contracting spacer pin (7), prevents from it is pulled lower contracting.