Electric reactor switching device

Abstract

The utility model discloses a reactor switching device, and belongs to the technical field of reactor switching. A reactor switching device comprises a vertical plate, one end of the vertical plate is fixedly provided with a static contact, the reactor switching device further comprises a mounting plate arranged on the vertical plate in a sliding mode, the mounting plate is fixedly provided with a movable contact, and the movable contact is electrically connected with the static contact; a screw rod is rotatably arranged in the vertical plate, a fixing plate is slidably arranged on the vertical plate, the fixing plate is in threaded connection with the screw rod, and the mounting plate is arranged on the fixing plate; according to the utility model, the screw rod parallel to the long edge of the vertical plate is rotatably arranged on the vertical plate, so that the movable contact can be conveniently driven to approach to or leave from the static contact, the transverse size can be reduced, the overall size is reduced, the occupation of excessive installation space can be avoided, the size is small, the structure is simple, and the use of the push rod is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of reactor switching, in particular to a reactor switching device. Background Art

[0002] When the high-voltage system is normal, the high-voltage circuit breaker is responsible for connecting and disconnecting the no-load components and load current in the high-voltage circuit. When a system fault occurs, it is responsible for quickly cutting off the fault current. Since the breaking and closing current and voltage of each high-voltage circuit breaker are different, it is necessary to perform performance tests on them. The test circuit uses a generator as the power supply, the voltage is adjusted by the generator excitation system, and the test current is adjusted by the reactor. The test system is composed of the corresponding phase selection closing switch, circuit breaker and measurement control part.

[0003] After searching, the Chinese patent application No. 202320450278.3 discloses a reactor switching device, which includes: a bracket, a folding frame and a driving device, the bracket is provided with a static contact, the static contact is electrically connected to one end of the reactor; the end of the folding frame close to the static contact is provided with a moving contact, the moving contact is electrically connected to the other end of the reactor, the end of the folding frame close to the static contact is slidably arranged on the bracket, and the folding frame can be telescopically folded along the extension direction of the bracket; the driving device is connected to the end of the folding frame away from the static contact, the driving device is used to drive the folding frame to fold and extend to drive the moving contact to move in the direction close to the static contact, so that the moving contact contacts the static contact and forms an electrical connection, and is used to drive the folding frame to fold and contract to drive the moving contact to move in the direction away from the static contact. The utility model reactor switching device has a small size and a simple structure, is suitable for short-circuiting moving contacts and static contacts of different spacings, and can avoid occupying too much installation space. The above patent has the following deficiencies in actual use: in actual use, since the device has long horizontal and vertical dimensions, the overall size is large and it still takes up too much installation space, affecting the use effect. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that the horizontal and vertical dimensions are long, the overall dimensions are large, and excessive installation space is occupied, and a reactor switching device is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A reactor switching device comprises a vertical plate, a static contact is fixedly arranged at one end of the vertical plate, and also comprises: a mounting plate slidably arranged on the vertical plate, wherein a moving contact is fixedly arranged on the mounting plate, and the moving contact is electrically connected to the static contact; a screw is rotatably arranged in the vertical plate, a fixed plate is slidably arranged on the vertical plate, the fixed plate is threadedly connected to the screw, and the mounting plate is arranged on the fixed plate.

[0007] In order to ensure reliable sliding of the mounting plate, preferably, a plurality of groups of sliding rods are fixedly arranged on the mounting plate, and the ends of the plurality of sliding rods away from the mounting plate are respectively slidably connected to the fixed plate, and a limiting plate is fixedly arranged on the plurality of sliding rods, and the top of the limiting plate is abutted against the bottom of the fixed plate, and an elastic member is arranged between the mounting plate and the fixed plate.

[0008] In order to make the moving contact and the static contact contact reliably, further, the elastic member comprises a spring, the spring is sleeved on the outer wall of the sliding rod, and two ends of the spring are respectively against the fixing plate and the mounting plate.

[0009] In order to facilitate driving the fixed plate to slide, preferably, a guide groove is opened in the vertical plate, the screw is rotatably set in the guide groove, a slider is fixedly set at one end of the fixed plate, and the end of the slider extending into the guide groove is threadedly connected to the screw.

[0010] Preferably, a connecting plate is fixedly provided at one end of the vertical plate, a first pad is fixedly provided on the connecting plate, the static contact is fixedly provided on the first pad, and a second pad is fixedly provided on the mounting plate, the moving contact is fixedly provided on the second pad.

[0011] Furthermore, the first cushion block and the second cushion block are both made of ceramic.

[0012] Compared with the prior art, the utility model provides a reactor switching device, which has the following beneficial effects:

[0013] 1. The reactor switching device, by rotating a screw rod parallel to the long side of the vertical plate, is convenient for bringing the moving contact closer to or away from the static contact to achieve electrical connection or isolation. On the other hand, it can reduce the lateral size and the overall size, thus avoiding occupying too much installation space. It has a small size, a simple structure, and is conducive to the use of the push rod.

[0014] 2. The reactor switching device elastically connects the mounting plate with the fixed plate by using a slide bar and a spring, which can improve the electrical connection between the moving contact and the static contact on the one hand, and has a flexible contact effect on the other hand, thereby increasing the service life of the fixed plate and the screw.

[0015] The parts not involved in the device are the same as the prior art or can be implemented by the prior art. The utility model is convenient for bringing the moving contact closer to or away from the static contact by rotating a screw parallel to the long side of the vertical plate, and can also reduce the lateral dimension, thereby reducing the overall dimension and avoiding occupying too much installation space. The utility model has a small size, a simple structure, and is conducive to the use of the push rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the structure of a reactor switching device proposed in the utility model Figure 1 ;

[0017] Figure 2 A schematic diagram of the structure of a reactor switching device proposed in the utility model Figure 2 ;

[0018] Figure 3 This is a structural schematic diagram of a fixing plate of a reactor switching device proposed by the utility model;

[0019] Figure 4 The utility model is a front view of a reactor switching device.

[0020] In the figure: 1. vertical plate; 101. guide groove; 102. connecting plate; 103. first cushion block; 104. static contact; 105. bottom plate; 2. fixed plate; 201. slider; 202. screw; 3. mounting plate; 301. second cushion block; 302. moving contact; 4. sliding rod; 401. limit plate; 402. spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0023] Example:

[0024] Reference Figure 1-Figure 4A reactor switching device includes a vertical plate 1, a static contact 104 is fixedly arranged at one end of the vertical plate 1, and the static contact 104 is electrically connected to one end of the reactor. A bottom plate 105 is fixedly arranged at the other end of the vertical plate 1, and a mounting hole is opened on the bottom plate 105 to facilitate fixing the vertical plate 1 and improve the use effect. It also includes: a mounting plate 3 is slidably arranged on the vertical plate 1, wherein a moving contact 302 is fixedly arranged on the mounting plate 3, and the moving contact 302 is electrically connected to the other end of the reactor, and when the mounting plate 3 approaches the static contact 104, the moving contact 302 is electrically connected to the static contact 104; a screw 202 is rotatably arranged in the vertical plate 1, and the screw The axis of 202 is parallel to the long side of the vertical plate 1. A driving source for driving the screw 202 to rotate is fixedly arranged on the other end of the vertical plate 1. The driving source can be a pneumatic motor, a hydraulic motor or an electric motor, preferably an electric motor. A fixed plate 2 is slidably arranged on the vertical plate 1, and the fixed plate 2 is threadedly connected to the screw 202, and the mounting plate 3 is arranged on the fixed plate 2. When in use, the screw 202 is rotated to drive the fixed plate 2 to slide up and down along the vertical plate 1. In this process, the mounting plate 3 can be brought close to or away from the static contact 104, so that the moving contact 302 is electrically connected to or away from the static contact 104. The operation is simple and the driving effect is reliable.

[0025] When in use, by rotating the screw 202 parallel to the long side of the vertical plate 1, on the one hand, it is convenient to move the moving contact 302 closer to or away from the static contact 104 to achieve electrical connection or isolation, and on the other hand, it can reduce the lateral size and the overall size, which can avoid occupying too much installation space. It has a small size and simple structure, which is conducive to the use of the push rod; by elastically connecting the mounting plate 3 with the fixed plate 2 using the sliding rod 4 and the spring 402, on the one hand, the electrical connection between the moving contact 302 and the static contact 104 can be improved, and on the other hand, it has a flexible contact effect, thereby increasing the service life of the fixed plate 2 and the screw 202.

[0026] Reference Figure 3 , multiple groups of sliding rods 4 are fixedly arranged on the mounting plate 3, and the sliding rods 4 are arranged in two to six groups. Here, we prefer four groups, and the four groups are evenly distributed on the mounting plate 3, and the ends of the multiple groups of sliding rods 4 away from the mounting plate 3 are respectively slidably connected with the fixed plate 2, and a limiting plate 401 is fixedly arranged on the multiple groups of sliding rods 4, and the top of the limiting plate 401 is abutted against the bottom of the fixed plate 2, and an elastic member is arranged between the mounting plate 3 and the fixed plate 2. When in use, by slidingly connecting the mounting plate 3 with the fixed plate 2 using the sliding rod 4, the mounting plate 3 can be ensured to slide reliably, the use effect is improved, and the connection accuracy between the moving contact 302 and the static contact 104 can be ensured.

[0027] Reference Figure 3The elastic member can be an elastic rubber or an elastic sheet or a spring 402, etc. Here, we preferably select the elastic member as a spring 402, and sleeve the spring 402 on the outer wall of the slide rod 4, and respectively abut the fixed plate 2 and the mounting plate 3 at both ends of the spring 402. When in use, by sleeved on the slide rod 4, the mounting plate 3 and the fixed plate 2 can have an elastic effect, thereby improving the connection effect.

[0028] Reference Figure 1 , Figure 2 and Figure 4 A guide groove 101 is opened in the vertical plate 1, and the long side of the guide groove 101 is parallel to the long side of the vertical plate 1. The screw 202 is rotatably set in the guide groove 101, and a slider 201 is fixedly set on one end of the fixed plate 2. The end of the slider 201 extending into the guide groove 101 is threadedly connected with the screw 202. When in use, by fixing the slider 201 on the fixed plate 2 and sliding the slider 201 in the guide groove 101, the fixed plate 2 can slide reliably and the use effect can be improved.

[0029] Reference Figure 1-Figure 4 A connecting plate 102 is fixedly provided at one end of the vertical plate 1, a first pad 103 is fixedly provided on the connecting plate 102, a static contact 104 is fixedly provided on the first pad 103, and a second pad 301 is fixedly provided on the mounting plate 3, a moving contact 302 is fixedly provided on the second pad 301, the material of the first pad 103 and the second pad 301 is an insulating material, which can be rubber, plastic, wood, glass, ceramic, etc. Here, we prefer ceramic. When in use, by fixing the first pad 103 on the connecting plate 102 and fixing the second pad 301 on the mounting plate 3, and the material of the first pad 103 and the second pad 301 are both selected as ceramic, which has a certain insulation effect, can reduce the impact on the vertical plate 1, the connecting plate 102, the bottom plate 105, the screw 202 and the fixing plate 2, and improve the safety of use.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A reactor switching device, comprising a vertical plate (1), one end of which is fixedly provided with a static contact (104), characterized in that: Also includes: a mounting plate (3) slidably arranged on the vertical plate (1), Wherein, a moving contact (302) is fixedly arranged on the mounting plate (3), and the moving contact (302) is electrically connected to the static contact (104); A screw rod (202) is rotatably arranged inside the vertical plate (1), a fixed plate (2) is slidably arranged on the vertical plate (1), the fixed plate (2) is threadedly connected to the screw rod (202), and the mounting plate (3) is arranged on the fixed plate (2).

2. A reactor switching device according to claim 1, characterized in that: A plurality of groups of sliding rods (4) are fixedly arranged on the mounting plate (3), and one end of the plurality of sliding rods (4) away from the mounting plate (3) is respectively slidably connected to the fixed plate (2), and a limiting plate (401) is fixedly arranged on the plurality of sliding rods (4), and the top of the limiting plate (401) is abutted against the bottom of the fixed plate (2), and an elastic member is arranged between the mounting plate (3) and the fixed plate (2).

3. A reactor switching device according to claim 2, characterized in that: The elastic member comprises a spring (402), the spring (402) is sleeved on the outer wall of the sliding rod (4), and two ends of the spring (402) are respectively against the fixing plate (2) and the mounting plate (3).

4. A reactor switching device according to claim 1, characterized in that: A guide groove (101) is provided in the vertical plate (1), and the screw rod (202) is rotatably arranged in the guide groove (101). A slider (201) is fixedly arranged at one end of the fixed plate (2), and one end of the slider (201) extends into the guide groove (101) and is threadedly connected to the screw rod (202).

5. A reactor switching device according to claim 1, characterized in that: A connecting plate (102) is fixedly arranged at one end of the vertical plate (1), a first cushion block (103) is fixedly arranged on the connecting plate (102), the static contact (104) is fixedly arranged on the first cushion block (103), and a second cushion block (301) is fixedly arranged on the mounting plate (3), the moving contact (302) is fixedly arranged on the second cushion block (301).

6. A reactor switching device according to claim 5, characterized in that: The first cushion block (103) and the second cushion block (301) are both made of ceramic.

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