A modular isolating circuit breaker switchgear

Abstract

The present application relates to the technical field of switchgear, and discloses a modular isolating circuit breaker switchgear, which comprises an isolating switch module and a circuit breaker module, the circuit breaker module comprises an operating frame, the operating frame comprises two mutually parallel first operating panels, a second operating panel and a third operating panel are arranged between the first operating panels; the isolating switch module comprises a mounting frame, the mounting frame comprises two mutually parallel first mounting panels, a first mounting bar and a second mounting bar located below the first mounting bar are arranged between the two first mounting panels, a plurality of second mounting panels are arranged between the two first mounting panels, a first mounting hole for the first mounting bar to pass through and a second mounting hole for the second mounting bar to pass through are provided on the second mounting panel, a first mounting groove for inserting the second operating panel and a second mounting groove for inserting the third operating panel are provided on the upper end surface of the second mounting panel and the lower end surface of the second mounting panel, and the present application has the effect of improving the adaptability of the switchgear.

Description

Technical Field

[0001] The present application relates to the technical field of switchgear, and in particular to a modular isolating circuit breaker switchgear. Background Art

[0002] Isolating circuit breaker switchgear is a device that integrates the functions of isolation and circuit breaker. Isolating circuit breaker switchgear is used to save space, improve utilization and safety in substations.

[0003] In the related art, an isolating circuit breaker switch device includes an isolating switch and a circuit breaker. The isolating switch has two structural layouts according to different operating conditions of the switch device.

[0004] If the switchgear adopts the upper isolation scheme with the isolating switch placed on the busbar side, the isolating switch needs to be placed above the circuit breaker, and the grounding closing can be achieved through the circuit breaker. If the switchgear adopts the lower isolation scheme with the isolating switch placed on the cable side, the isolating switch needs to be placed below the circuit breaker, and the grounding closing can be achieved through the isolating switch.

[0005] Generally, the switchgear adopts an upper isolation scheme or a lower isolation scheme. When the use condition of the switchgear changes, the isolating switch and the circuit breaker in the upper isolation scheme switchgear / lower isolation scheme switchgear need to be swapped, and such operation makes it impossible to assemble and connect the swapped isolating switch frame and the swapped circuit breaker frame. Summary of the invention

[0006] In order to improve the adaptability of the switchgear, the present application provides a modular isolating circuit breaker switchgear.

[0007] The present application provides a modular isolating circuit breaker switch device, which adopts the following technical solution:

[0008] A modular isolating circuit breaker switchgear comprises an isolating switch module and a circuit breaker module, wherein the circuit breaker module comprises an operating frame, wherein the operating frame comprises two mutually parallel first operating panels, and a second operating panel and a third operating panel are arranged between the first operating panels; the isolating switch module comprises a mounting frame, wherein the mounting frame comprises two mutually parallel first mounting panels, a first mounting bar and a second mounting bar located below the first mounting bar are arranged between the two first mounting panels, and a plurality of second mounting panels are arranged between the two first mounting panels, a first mounting hole for the first mounting bar to pass through and a second mounting hole for the second mounting bar to pass through are provided on the second mounting panel, and a first mounting groove for inserting the second operating panel and a second mounting groove for inserting the third operating panel are provided on the upper end surface of the second mounting panel and the lower end surface of the second mounting panel.

[0009] By adopting the above technical solution, when the circuit breaker module needs to be arranged above the isolating switch module, the second operating panel is inserted into the first mounting groove above the second mounting panel, and the third operating panel is inserted into the second mounting groove above the second mounting panel, so that the operating frame is plugged into the mounting frame, even if the circuit breaker module is assembled above the isolating switch module; when the circuit breaker module needs to be arranged below the isolating switch module, the second operating panel is inserted into the first mounting groove below the second mounting panel, and the third operating panel is inserted into the second mounting groove below the second mounting panel, so that the operating frame is plugged into the mounting frame, even if the circuit breaker module is assembled below the isolating switch module; the above connection method has the advantages of simple and fast installation; when the use condition of the switch device changes, the position of the circuit breaker module and the isolating switch module can be adjusted and assembled, even if the switch device adapts to the new use condition, the adaptability of the switch device is improved, and there is no need to design or purchase new switch devices separately, which has the advantage of saving product costs.

[0010] Optionally, a contact structure is provided between the two second operating plates, and the contact structure includes a support plate provided between the second operating plate and the third operating plate, a contact body is provided on the end face of the support plate away from the isolating switch module, a first locking structure connecting the support plate and the second operating plate is provided between the support plate and the third operating plate, and a second locking structure connecting the support plate and the third operating plate is provided between the support plate and the third operating plate.

[0011] By adopting the above technical solution, the first locking structure is used to connect the support plate with the second operating plate, and the second locking structure is used to connect the support plate with the third operating plate, which facilitates installation.

[0012] Optionally, the first locking structure includes a first supporting block arranged on the side of the supporting plate facing the second operating plate, a first through hole for the first supporting block to pass through is formed on the end surface of the second operating plate facing the supporting plate, a first locking hole is formed on the upper end surface of the first supporting block, a first locking seat is provided on the first supporting block, a first locking rod passing through the first locking hole is provided on the side of the first locking seat facing the first supporting block, a first locking block is provided on the end surface of the first locking rod away from the axis of the first locking hole, and the first locking block is located on the side of the first supporting block away from the first locking seat.

[0013] When the first locking member is in contact with the first support block, the first locking member is retracted to move the first locking member away from the first support block, thereby ensuring that the second locking member is in contact with the first support block.

[0014] Optionally, the contact structure is provided with multiple groups, and the multiple groups of contact structures are distributed along the length direction of the second operating plate. A contact partition is provided between two of the second operating plates for separating two adjacent contact structures. A first plug plate is provided on the end surface of the contact partition facing the second operating plate, and a first plug hole is provided on the second operating plate for the first plug plate to pass through. A second plug plate is provided on the end surface of the contact partition facing the third operating plate, and a second plug hole is provided on the third operating plate for the second plug plate to pass through.

[0015] By adopting the above technical solution, a partition can be set to separate the contact structure, which can improve the safety of the switch device and avoid mutual influence between two adjacent contact structures; the contact partition and the second operating panel / third operating panel are plug-in connected, which is convenient for disassembly and assembly.

[0016] Optionally, the contact body is connected to a contact conductive plate, the second operating plate is provided with a through hole for the contact conductive plate to pass through, the contact conductive plate is provided with a contact conductive block in the direction toward the support plate, the isolating switch module includes a first conductive plate arranged below the first mounting bar and a second conductive plate arranged above the second mounting bar, the end surface of the first conductive plate away from the second mounting bar is provided with a first conductive block, and the end surface of the second conductive plate away from the first mounting bar is provided with a second conductive block; when the isolating switch module and the circuit breaker module are connected, the first conductive block / the second conductive block can interfere with the contact conductive block.

[0017] By adopting the above technical solution, when the support frame is installed below the mounting frame, the first conductive block is in contact with the contact conductive block, thereby realizing electrical connection between the isolating switch module and the circuit breaker module; when the support frame is installed above the mounting frame, the second conductive block is in contact with the contact conductive block, thereby realizing electrical connection between the isolating switch module and the circuit breaker module.

[0018] Optionally, a fastener connecting the first conductive block / the second conductive block and the contact conductive block is provided between the two, and the fastener comprises a fastening bolt, which can pass through the first conductive block / the second conductive block and the contact conductive block, and a fastening nut is threadedly connected to the fastening bolt.

[0019] By adopting the above technical solution, when the circuit breaker module is installed above the isolating switch module, the first conductive block is in conflict with the contact conductive block, the fastening bolt is passed through the first conductive block and the contact conductive block, and then the fastening nut is connected to the fastening bolt; when the circuit breaker module is installed below the isolating switch module, the second conductive block is in conflict with the contact conductive block, the fastening bolt is passed through the second conductive block and the contact conductive block, and then the fastening nut is connected to the fastening bolt; with the help of the fastening nut and the fastening bolt, the first conductive block / the second conductive block and the contact conductive block are stably connected, so that the two are not easily powered off when in use.

[0020] Optionally, a clamping structure is provided on the second operating panel; a groove is provided on the end face of the second operating panel facing the isolating switch module, and the groove penetrates the second operating panel along the thickness direction of the second operating panel; the clamping structure includes a round rod rotatably connected to the groove, a clamping block and a stopper are provided on the outer circumferential surface of the round rod, and a spring is provided on the end face of the clamping block away from the round rod; when the isolating switch module and the circuit breaker module are assembled, the stopper is located on the moving path of the first conductive block / the second conductive block.

[0021] By adopting the above technical solution, when the switch module and the circuit breaker module are isolated, the first conductive block / the second conductive block is inserted between the spring piece and the contact conductive block, and the first conductive block / the second conductive block drives the stop block to move, so that the round rod rotates, so that the spring piece clamps the contact conductive block to the first conductive block / the second conductive block, and the first conductive block / the second conductive block is stably connected to the contact conductive block, so that the power is not easily cut off when the two are in use; by adopting the above locking method, there is no need to use fasteners, which facilitates the connection.

[0022] Optionally, a first linkage member connecting the first mounting plate and the second operating plate is provided between the two, the first linkage member includes a first fixing plate provided on the side of the second operating plate away from the third operating plate, a second fixing plate is provided on the end surface of the first fixing plate away from the second operating plate, a first bolt connecting the first fixing plate and the second operating plate is provided between the two, and a second bolt connecting the second fixing plate and the first mounting plate is provided between the two.

[0023] By adopting the above technical solution, the first bolt connects the first fixing plate and the second operating plate, the second bolt connects the second fixing plate and the second operating plate, and the first mounting plate and the second operating plate are connected and fixed so that the two are not easily separated.

[0024] Optionally, an operating structure connecting the second mounting plate and the second operating plate is provided between the two, and the operating structure includes an operating rod rotatably connected to the second mounting plate on the side facing the first mounting plate, an operating block provided on the second mounting plate on the side facing the first mounting plate, and a clamping block provided on the second operating plate on the side away from the third operating block, a hook portion is provided on the end surface of the operating rod away from the spring, a spring is provided between the operating block and the hook portion, and the hook portion can be hooked and cooperated with the clamping block.

[0025] By adopting the above technical solution, when the circuit breaker module is installed under the disconnector, the hook part abuts against the card block, so that the operating rod rotates toward the spring, and the spring is compressed and deformed. When the hook part passes through the card block, the spring drives the operating rod and the hook part to reset, so that the hook part and the card block are hooked and matched, thereby realizing the connection between the second mounting plate and the second operating plate; by adopting the operating structure, the mounting frame can be connected to the operating frame, and then in combination with the first linkage member and the second linkage member, the connection stability between the operating frame and the mounting frame can be further improved.

[0026] In summary, the present application includes at least one of the following beneficial technical effects:

[0027] 1. When the circuit breaker module needs to be set above the isolating switch module, the second operating panel is inserted into the first mounting groove above the second mounting panel, and the third operating panel is inserted into the second mounting groove above the second mounting panel, so that the operating frame is plugged into the mounting frame, even if the circuit breaker module is installed above the isolating switch module; when the circuit breaker module needs to be set below the isolating switch module, the second operating panel is inserted into the first mounting groove below the second mounting panel, and the third operating panel is inserted into the second mounting groove below the second mounting panel, so that the operating frame is plugged into the mounting frame, even if the circuit breaker module is installed below the isolating switch module; the above connection method has the advantages of simple and fast installation; when the use condition of the switch device changes, the position of the circuit breaker module and the isolating switch module can be adjusted and assembled, even if the switch device adapts to the new use condition, the adaptability of the switch device is improved, and there is no need to design or purchase new switch devices separately, which has the advantage of saving product costs;

[0028] 2. The fastener / compression structure is used to make the connection between the first conductive block / the second conductive block and the contact conductive block more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1This is a schematic diagram of the structure in which the circuit breaker module is arranged above the isolating switch module in Example 1;

[0031] Figure 2 This is a schematic diagram of the structure in which the circuit breaker module is arranged below the isolating switch module in Example 1;

[0032] Figure 3 is an exploded view highlighting the structure of the circuit breaker module in Example 1;

[0033] Figure 4 is a schematic diagram highlighting the first locking structure in Embodiment 1;

[0034] Figure 5 is a schematic diagram highlighting the second locking structure in Embodiment 1;

[0035] Figure 6 is a structural schematic diagram highlighting the second operating panel disposed below the mounting frame in Embodiment 2;

[0036] Figure 7 is along Figure 6 Partial cross-sectional view along line AA;

[0037] Figure 8 yes Figure 6 Enlarged view of part B.

[0038] Reference numerals: 100, circuit breaker module; 101, operating frame; 102, contact structure; 103, first operating panel; 104, second operating panel; 105, third operating panel; 106, contact partition; 107, first plug board; 108, first plug hole; 109, second plug board; 110, second plug hole; 111, support plate; 112, first locking structure; 113, first support block; 114, first locking seat; 1 15. first locking rod; 116. first locking block; 117. first through hole; 118. first locking hole; 119. second locking structure; 121. second support block; 122. second locking seat; 123. second locking rod; 124. second locking block; 125. second through hole; 126. second locking hole; 127. contact conductive plate; 128. contact conductive block; 129. perforation; 130. groove; 200. isolating switch module; 201. mounting frame; 202. isolating switch body; 203. first mounting plate; 204. first mounting bar; 205. second mounting bar; 206. second mounting plate; 207. first mounting hole; 208. second mounting hole; 209. first mounting slot; 210. second mounting slot; 211. first conductive block; 212. second conductive plate; 213. second conductive block; 300. first linkage member; 30 1. First fixed plate; 302. Second fixed plate; 400. Second linkage member; 401. Third fixed plate; 402. Fourth fixed plate; 500. Clamping structure; 501. Round rod; 502. Clamping block; 503. Stop block; 504. Limiting block; 505. Spring piece; 506. Elastic block; 600. Operating structure; 601. Operating rod; 602. Hook; 603. Operating block; 604. Spring; 605. Block. DETAILED DESCRIPTION

[0039] The following is combined with Figure 1-8 This application is described in further detail.

[0040] Example 1

[0041] This embodiment discloses a modular isolating circuit breaker switch device. Figure 1 and Figure 2 A modular isolating circuit breaker switch device includes an isolating switch module 200 and a circuit breaker module 100. The circuit breaker module 100 can be assembled on the upper end of the isolating switch module 200; the circuit breaker module 100 can also be rotated 180 degrees and then installed below the isolating switch module 200.

[0042] Reference Figure 3 The circuit breaker module 100 includes an operating frame 101 and a contact structure 102. The operating frame 101 includes a first operating plate 103, a second operating plate 104, a third operating plate 105 and a contact partition plate 106. Two first operating plates 103 are provided and are parallel to each other.

[0043] Reference Figure 3 The second operating plate 104 and the third operating plate 105 are both disposed between the two first operating plates 103. The end surface of the second operating plate 104 along the length direction is fixedly connected to one of the first operating plates 103. The third operating plate 105 is located on one side of the second operating plate 104, and the end surface of the third operating plate 105 along the length direction is fixedly connected to one of the first operating plates 103.

[0044] Reference Figure 3 , four contact partitions 106 are provided, and the four contact partitions 106 are all provided between the second operating plate 104 and the third operating plate 105. The four contact partitions 106 are distributed in an array along the length direction of the second operating plate 104. In other embodiments, the contact partitions 106 can be provided in two, three or other quantities.

[0045] Reference Figure 3 The end surface of the contact partition 106 facing the second operating plate 104 is fixedly connected with the first plug board 107. The end surface of the second operating plate 104 facing the contact partition 106 is provided with a first plug hole 108, and the first plug hole 108 can be inserted into the first plug board 107.

[0046] Reference Figure 2 and Figure 3 The end surface of the contact partition plate 106 facing the third operating plate 105 is fixedly connected with the second plug plate 109. The end surface of the third operating plate 105 facing the contact partition plate 106 is provided with a second plug hole 110, and the second plug hole 110 can be inserted into the second plug plate 109.

[0047] Reference Figure 3 , a contact structure 102 is disposed between each of two adjacent contact structures 102. The contact structure 102 includes a support plate 111 and a contact body.

[0048] Reference Figure 3 and Figure 4 The support plate 111 is located between the second operating plate 104 and the third operating plate 105, and between two adjacent contact structures 102. The contact body is arranged on the side of the support plate 111 away from the isolating switch module 200, and a threaded rod is fixedly connected to the end face of the contact body facing the support plate 111. A punching hole is provided below the support plate 111. The threaded rod can be passed through by the punching hole, and a nut is connected to the external thread of the threaded rod. The nut is located on the side of the support plate 111 away from the contact body, and the nut is fixedly connected to the end face of the support plate 111 away from the contact body.

[0049] Reference Figure 3 and Figure 4Two first locking structures 112 are provided between the support plate 111 and the second operating plate 104 to connect the two, and the two first locking structures 112 are distributed along the length direction of the second operating plate 104. The first locking structure 112 includes a first support block 113, a first locking seat 114, a first locking rod 115 and a first locking block 116.

[0050] Reference Figure 3 and Figure 4 The first support block 113 is fixedly connected to the end surface of the support plate 111 facing the second operating plate 104. The end surface of the second operating plate 104 facing the support plate 111 is provided with a first through hole 117, and the first through hole 117 can allow the first support block 113 to pass through. The upper end surface of the first support block 113 is provided with a first locking hole 118.

[0051] Reference Figure 4 There are three first locking rods 115, and the three first locking rods 115 are fixedly connected to the same end surface of the first locking seat 114. The first locking rod 115 is deformable. The number of the first locking blocks 116 is the same as the number of the first locking rods 115, and the first locking blocks 116 are fixedly connected to the end surface of the first locking rod 115 away from the vertical central axis of the first locking seat 114.

[0052] Reference Figure 4 , the first locking rod 115 and the first locking block 116 can pass through the first through hole 117. When the first locking seat 114 abuts against the first supporting block 113, the first locking block 116 is located on a side of the first supporting block 113 away from the first locking seat 114.

[0053] Reference Figure 5 Two second locking structures 119 are provided between the support plate 111 and the third operating plate 105 to connect the two, and the two second locking structures 119 are distributed along the length direction of the third operating plate 105. The second locking structure 119 includes a second support block 121, a second locking seat 122, a second locking rod 123 and a second locking block 124.

[0054] Reference Figure 5 The second support block 121 is fixedly connected to the end surface of the support plate 111 facing the third operating plate 105. The end surface of the third operating plate 105 facing the support plate 111 is provided with a second through hole 125, and the second through hole 125 can allow the second support block 121 to pass through. The upper end surface of the second support block 121 is provided with a second locking hole 126.

[0055] Reference Figure 5The second locking rods 123 are provided with three, and the three second locking rods 123 are fixedly connected to the same end surface of the second locking seat 122. The second locking rods 123 are deformable. The number of the second locking blocks 124 is the same as the number of the second locking rods 123, and the second locking blocks 124 are fixedly connected to the end surface of the second locking rod 123 away from the vertical central axis of the second locking seat 122.

[0056] Reference Figure 5 The second locking rod 123 and the second locking block 124 can pass through the second through hole 125. When the second locking seat 122 abuts against the second supporting block 121, the second locking block 124 is located on a side of the second supporting block 121 away from the second locking seat 122.

[0057] Reference Figure 3 and Figure 4 The end surface of the contact body facing the second operating plate 104 is fixedly connected with a contact conductive plate 127, and the end surface of the contact conductive plate 127 facing the support plate 111 is fixedly connected with a contact conductive block 128. A through hole 129 is provided at one end of the second operating plate 104 facing the contact body, and the through hole 129 can allow the contact conductive plate 127 to pass through. The contact conductive block 128 is located on the side of the second operating plate 104 away from the contact body. The end surface of the contact conductive block 128 facing the support plate 111 is provided with a first circular hole.

[0058] Reference Figure 3 The isolating switch module 200 includes a mounting frame 201 and an isolating switch body 202. The mounting frame 201 includes a first mounting plate 203, a first mounting bar 204, a second mounting bar 205 and a second mounting plate 206.

[0059] Reference Figure 3 Two first mounting plates 203 are provided and are parallel to each other. The first mounting bar 204 is provided between the two first mounting plates 203. One end of the first mounting bar 204 is fixedly connected to one first mounting plate 203, and the other end of the first mounting bar 204 is fixedly connected to the other mounting plate.

[0060] Reference Figure 3 The second mounting bar 205 is disposed between the two second mounting plates 206. The second mounting bar 205 is located below the first mounting bar 204. One end of the second mounting bar 205 is fixedly connected to one first mounting plate 203, and the other end of the second mounting bar 205 is fixedly connected to the other mounting plate.

[0061] Reference Figure 3 , four second mounting plates 206 are provided, and the four second mounting plates 206 are all provided between the two first mounting plates 203. The four second mounting plates 206 are distributed in an array along the length direction of the first mounting strip 204. In other embodiments, the second mounting plates 206 can be provided in two, three or other quantities.

[0062] Reference Figure 3 The second mounting plate 206 is provided with a first mounting hole 207 and a second mounting hole 208. The first mounting hole 207 allows the first mounting bar 204 to pass through. The second mounting hole 208 allows the second mounting bar 205 to pass through.

[0063] Reference Figure 3 The upper end surface of the second mounting plate 206 is provided with a first mounting groove 209 and a second mounting groove 210, and the lower end surface of the second mounting plate 206 is also provided with a first mounting groove 209 and a second mounting groove 210. The first mounting groove 209 can be inserted into the second operating plate 104, and the second mounting groove 210 can be inserted into the third operating plate 105.

[0064] Reference Figure 3 and Figure 4 A first linkage member 300 is provided between the second operating plate 104 and the first mounting plate 203 to connect the two. The first linkage member 300 includes a first fixing plate 301, a second fixing plate 302, a first bolt and a second bolt. The first fixing plate 301 and the second operating plate 104 are connected by a first bolt. The second fixing plate 302 is fixedly connected to the end face of the first fixing plate 301 away from the second operating plate 104, and the second fixing plate 302 and the first mounting plate 203 are connected by a second bolt.

[0065] Reference Figure 3 and Figure 5 A second linkage member 400 is provided between the third operating plate 105 and the first mounting plate 203 to connect the two. The second linkage member 400 includes a third fixing plate 401, a fourth fixing plate 402, a third bolt and a fourth bolt. The third fixing plate 401 is connected to the third operating plate 105 by a third bolt. The fourth fixing plate 402 is fixedly connected to the end face of the third fixing plate 401 away from the third operating plate 105, and the fourth fixing plate 402 is connected to the first mounting plate 203 by a second bolt.

[0066] Reference Figure 3 and Figure 4 The isolating switch body 202 includes a first conductive plate, a first conductive block 211, a second conductive plate 212, and a second conductive block 213. The first conductive plate is fixedly connected to the end surface of the first mounting bar 204 facing the second mounting bar 205, and the first conductive block 211 is fixedly connected to the end surface of the first conductive plate away from the second mounting bar 205. A second circular hole is provided on the end surface of the first conductive block 211 facing the first mounting bar 204. When the circuit breaker module 100 is installed above the isolating switch module 200, the first conductive block 211 can be inserted between the contact conductive block 128 and the second operating plate 104, and one end of the first conductive block 211 is in contact with the end surface of the contact conductive block 128 facing the second operating plate 104.

[0067] Reference Figure 3 and Figure 4 , the second conductive plate 212 is fixedly connected to the end surface of the second mounting bar 205 facing the second mounting bar 205, and the second conductive block 213 is fixedly connected to the end surface of the second conductive plate 212 away from the second mounting bar 205. A third circular hole is provided on the end surface of the second conductive block 213 facing the second mounting bar 205. A second circular hole is provided on the end surface of the first conductive block 211 facing the first mounting bar 204. When the circuit breaker module 100 is installed below the isolating switch module 200, the second conductive block 211 can be inserted between the contact conductive block 128 and the second operating plate 104, and one end of the second conductive block 211 is in contact with the end surface of the contact conductive block 128 facing the second operating plate 104.

[0068] Reference Figure 3 and Figure 4 A fastener is provided between the first conductive block 211 / the second conductive block 213 and the contact conductive block 128 to connect the two. The fastener is a fastening nut and a fastening bolt. The first circular hole, the second circular hole and the third circular hole can all be passed through by the fastening bolt. The fastening nut is threadedly connected to the fastening bolt.

[0069] When the circuit breaker module 100 is installed above the disconnector module 200, the second operating plate 104 is inserted into the first mounting groove 209 above the second mounting plate 206, and the third operating plate 105 is inserted into the second mounting groove 210 above the second mounting plate 206, and the first conductive block 211 is in contact with the contact conductive block 128. Then, the fastening bolt is passed through the first circular hole and the second circular hole, and then threadedly connected to the fastening nut through the fastening nut.

[0070] When the circuit breaker module 100 is installed below the disconnector module 200, the second operating plate 104 is inserted into the first mounting groove 209 below the second mounting plate 206, and the third operating plate 105 is inserted into the second mounting groove 210 below the second mounting plate 206, and the second conductive block 213 is in contact with the contact conductive block 128. Then, the fastening bolt is passed through the first circular hole and the third circular hole, and then threadedly connected to the fastening nut through the fastening nut.

[0071] The implementation principle of Example 1 is as follows: when the circuit breaker module 100 is installed below the isolating switch module 200, the second operating panel 104 is inserted into the first mounting groove 209, and the third operating panel 105 is inserted into the second mounting groove 210, and then the second operating panel 104 is connected to the first mounting panel 203 through the first linkage member 300, and the third operating panel 105 is connected to the first mounting panel 203 through the second linkage member 400, so as to realize the connection between the mounting frame 201 and the operating frame 101; similarly, the circuit breaker module 100 is installed above the isolating switch module 200, and the mounting frame 201 is connected to the operating frame 101.

[0072] Example 2

[0073] Reference Figure 6 and Figure 7 The difference between this embodiment and embodiment 1 is that a clamping structure 500 is provided on the second operating plate 104, and the clamping structure 500 is used to connect the contact conductive block 128 and the first conductive block 211 / the second conductive block 213 more tightly.

[0074] Reference Figure 6 and Figure 7 A groove 130 is formed on the end surface of the second operating plate 104 facing the isolating switch module 200 , and the groove 130 penetrates the second operating plate 104 along the thickness direction of the second operating plate 104 .

[0075] Reference Figure 6 and Figure 7 The pressing structure 500 includes a round rod 501, a pressing block 502, a stopper 503 and a limiter 504. The round rod 501 is rotatably connected in the groove 130. The pressing block 502, the stopper 503 and the limiter 504 are all fixedly connected to the outer circumference of the round rod 501.

[0076] Reference Figure 6 and Figure 7 , the pressing block 502 is located on the side of the round rod 501 axis away from the bottom wall of the groove 130. The end surface of the pressing block 502 away from the round rod 501 is fixedly connected with a spring piece 505, and the end surface of the pressing block 502 facing the contact conductive block 128 is fixedly connected with an elastic block 506. The spring piece 505 and the elastic block 506 can abut against the contact conductive block 128 to clamp the first conductive block 211 / the second conductive block 213, so as to achieve a stable connection between the first conductive block 211 / the second conductive block 213 and the contact conductive block 128. In other embodiments, only the spring piece 505 is provided on the pressing block 502, or only the spring piece elastic block 506 is provided on the pressing block 502.

[0077] Reference Figure 6 and Figure 7The stopper 503 is located on the side of the axis of the round rod 501 close to the contact conductive block 128. When the disconnector module 200 and the circuit breaker module 100 are assembled, the stopper 503 is located on the moving path of the first conductive block 211 / the second conductive block 213.

[0078] Reference Figure 6 and Figure 7 The limit block 504 is located on the side of the round rod 501 axis close to the third operating plate 105. When the limit block 504 abuts against the junction of the end surface of the second operating plate 104 facing the third operating plate 105 and the bottom wall of the groove 130, the pressing block 502 is restricted from continuing to rotate toward the third operating plate 105.

[0079] Reference Figure 8 An operating structure 600 connecting the second mounting plate 206 and the second operating plate 104 is provided between the two, and the operating structure 600 includes an operating rod 601, a hook 602, an operating block 603, a spring 604 and a clamping block 605. The clamping block 605 is fixedly connected to the second operating plate 104 away from the third operating plate 105.

[0080] Reference Figure 6 and Figure 8 , two operating rods 601 are provided. The operating rod 601 is rotatably connected to the end surface of the second mounting plate 206 facing the first mounting plate 203. The first mounting bar 204 and the second mounting bar 205 are both located between the two operating rods 601. The end surface of the operating rod 601 facing the first mounting bar 204 is fixedly connected to the block 605.

[0081] Reference Figure 6 and Figure 8 There are two operating blocks 603 , and the operating rod 601 is rotatably connected to the end surface of the second mounting plate 206 toward the first mounting plate 203 . The two operating rods 601 are both located between the two operating blocks 603 .

[0082] Reference Figure 6 and Figure 8 Two springs 604 are provided, one end of the spring 604 is fixedly connected to the operating block 603 , and the other end of the spring 604 is fixedly connected to the end surface of the operating rod 601 away from the hook portion 602 .

[0083] The implementation principle of the second embodiment is as follows: when the circuit breaker module 100 is installed below the isolating switch module 200, the second conductive block 213 is inserted between the spring sheet 505 and the contact conductive block 128, so that the spring sheet 505 and the contact conductive block 128 clamp the second conductive block 213, so that the contact conductive block 128 and the second conductive block 213 are more stably electrically connected. Similarly, when the circuit breaker module 100 is installed above the isolating switch module 200, the contact conductive block 128 and the second conductive block 213 are more stably electrically connected.

[0084] Unless otherwise defined, the technical terms or scientific terms used in this application should be understood by people with ordinary skills in the field to which this application belongs. The words "first", "second", "third" and similar words used in the specification and claims of this application do not indicate any order, quantity or importance, but are only used to distinguish different components. "One" or "one" and similar words do not indicate a quantitative limit, but indicate that there is at least one. "Include" or "comprise" and similar words mean that the elements or objects appearing before "include" or "comprise" include the elements or objects listed after "include" or "comprise" and their equivalents, and do not exclude other elements or objects. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0085] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the design concept of the present application should be included in the protection scope of the present application.

Claims

1. A modular isolating circuit breaker switchgear, characterized in that: The invention comprises an isolating switch module (200) and a circuit breaker module (100), wherein the circuit breaker module (100) comprises an operating frame (101), wherein the operating frame (101) comprises two mutually parallel first operating panels (103), wherein a second operating panel (104) and a third operating panel (105) are arranged between the first operating panels (103); and the isolating switch module (200) comprises a mounting frame (201), wherein the mounting frame (201) comprises two mutually parallel first mounting panels (203), wherein a first mounting bar (204) and a third mounting bar (105) are arranged between the two first mounting panels (203). A second mounting strip (205) is provided below the strip (204); a plurality of second mounting plates (206) are provided between the two first mounting plates (203); a first mounting hole (207) for the first mounting strip (204) to pass through and a second mounting hole (208) for the second mounting strip (205) to pass through are provided on the second mounting plate (206); and a first mounting groove (209) for the second operating plate (104) to be inserted and a second mounting groove (210) for the third operating plate (105) to be inserted are provided on the upper end surface of the second mounting plate (206) and the lower end surface of the second mounting plate (206); A contact structure (102) is arranged between the two second operating plates (104), the contact structure (102) comprising a support plate (111) arranged between the second operating plate (104) and the third operating plate (105), the end surface of the support plate (111) away from the isolating switch module (200) is provided with a contact body, a first locking structure (112) connecting the support plate (111) and the second operating plate (104) is arranged between the support plate (111) and the third operating plate (105) and a second locking structure (119) connecting the support plate (111) and the third operating plate (105); The first locking structure (112) comprises a first supporting block (113) arranged on a side of the supporting plate (111) facing the second operating plate (104); a first through hole (117) for the first supporting block (113) to pass through is provided on an end surface of the second operating plate (104) facing the supporting plate (111); a first locking hole (118) is provided on an upper end surface of the first supporting block (113); a first locking seat (114) is provided on the first supporting block (113); a first locking rod (115) passing through the first locking hole (118) is provided on a side of the first locking seat (114) facing the first supporting block (113); a first locking block (116) is provided on an end surface of the first locking rod (115) away from an axis of the first locking hole (118); and the first locking block (116) is located on a side of the first supporting block (113) away from the first locking seat (114).

2. A modular isolating circuit breaker switchgear according to claim 1, characterized in that: The contact structure (102) is provided with multiple groups, and the multiple groups of contact structures (102) are distributed along the length direction of the second operating plate (104). A contact partition (106) for separating two adjacent contact structures (102) is provided between two of the second operating plates (104). A first plug plate (107) is provided on the end surface of the contact partition (106) facing the second operating plate (104). The second operating plate (104) is provided with a first plug plate (107) for the first plug plate (107) to pass through. A second plug plate (109) is provided on the end surface of the contact partition (106) facing the third operating plate (105). The third operating plate (105) is provided with a second plug plate (110) for the second plug plate (109) to pass through.

3. A modular isolating circuit breaker switchgear according to claim 1, characterized in that: The contact body is connected to a contact conductive plate (127); a through hole (129) for the contact conductive plate (127) to pass through is provided on the second operating plate (104); a contact conductive block (128) is provided on the contact conductive plate (127) in a direction toward the support plate (111); the isolating switch module (200) comprises a first conductive plate arranged below the first mounting bar (204) and a second conductive plate (212) arranged above the second mounting bar (205); a first conductive block (211) is provided on an end surface of the first conductive plate away from the second mounting bar (205); and a second conductive block (213) is provided on an end surface of the second conductive plate (212) away from the first mounting bar (204); when the isolating switch module (200) and the circuit breaker module (100) are connected, the first conductive block (211) / the second conductive block (213) can contact the contact conductive block (128).

4. A modular isolating circuit breaker switchgear according to claim 3, characterized in that: A fastener connecting the first conductive block (211) / the second conductive block (213) and the contact conductive block (128) is provided between the two, and the fastener comprises a fastening bolt, which can pass through the first conductive block (211) / the second conductive block (213) and the contact conductive block (128), and a fastening nut is threadedly connected to the fastening bolt.

5. A modular isolating circuit breaker switchgear according to claim 3, characterized in that: The second operating plate (104) is provided with a clamping structure (500); a groove (130) is provided on the end surface of the second operating plate (104) facing the isolating switch module (200), and the groove (130) penetrates the second operating plate (104) along the thickness direction of the second operating plate (104); the clamping structure (500) comprises a round rod (501) rotatably connected in the groove (130); a clamping block (502) and a stopper (503) are provided on the outer circumferential surface of the round rod (501); a spring piece (505) is provided on the end surface of the clamping block (502) away from the round rod (501); when the isolating switch module (200) and the circuit breaker module (100) are assembled, the stopper (503) is located on the moving path of the first conductive block (211) / the second conductive block (213).

6. A modular isolating circuit breaker switchgear according to claim 1, characterized in that: A first linkage member (300) is provided between the first mounting plate (203) and the second operating plate (104) to connect the two. The first linkage member (300) comprises a first fixing plate (301) provided on a side of the second operating plate (104) away from the third operating plate (105). A second fixing plate (302) is provided on an end surface of the first fixing plate (301) away from the second operating plate (104). A first bolt is provided between the first fixing plate (301) and the second operating plate (104) to connect the two. A second bolt is provided between the second fixing plate (302) and the first mounting plate (203) to connect the two.

7. A modular isolating circuit breaker switchgear according to claim 1, characterized in that: An operating structure (600) connecting the second mounting plate (206) and the second operating plate (104) is provided between the two. The operating structure (600) comprises an operating rod (601) rotatably connected to the side of the second mounting plate (206) facing the first mounting plate (203), an operating block (603) provided on the side of the second mounting plate (206) facing the first mounting plate (203), and a clamping block (605) provided on the side of the second operating plate (104) away from the third operating block (603). A hook portion (602) is provided on the end surface of the operating rod (601) away from the spring (604), a spring (604) is provided between the operating block (603) and the hook portion (602), and the hook portion (602) can be hooked and matched with the clamping block (605).

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