Relay protector protection device for transformer substation

Abstract

The utility model relates to the technical field of transformer substation protection, in particular to a relay protector protection device for a transformer substation, which comprises a main body plate, an adjusting assembly, a clamping assembly and a cooling assembly, the adjusting assembly comprises a mounting seat, a transmission lead screw, a transmission sliding block and a connecting seat, and the mounting seat is fixedly connected with the main body plate and is positioned on the surface of the main body plate; the transmission lead screw is rotationally connected with the mounting base, the transmission sliding block is connected with the transmission lead screw, the connecting base is detachably connected with the transmission sliding block, the clamping assembly is connected with the connecting base, and the cooling assembly communicates with the connecting base. When the position of the relay protector needs to be adjusted, the transmission lead screw is rotated, the transmission sliding block is driven to move, then the connecting base and the clamping assembly are driven to move, the position of the relay protector is adjusted, the relay protector is cooled through the cooling assembly, and fine adjustment of the position of the relay protector is achieved through the transmission lead screw and the transmission sliding block. The device is suitable for installation and use of relay protectors with different sizes.

Description

TECHNICAL FIELD

[0001] The utility model relates to a transformer substation protection technical field especially relates to a transformer substation relay protection device. BACKGROUND

[0002] The relay protection device is directly fixed in the power distribution cabinet of the transformer substation, and when disassembling, the staff needs to operate by loosening or tightening the screw, which is troublesome, and meanwhile, the relay protection device will have a temperature rise after long-term use, affecting the normal work of the relay protection device.

[0003] The existing announcement No. CN215300137U discloses a relay protection device for transformer substation, a mounting groove is arranged in the main plate, a gas supply mechanism is arranged in the mounting groove, the air inlet end of the gas supply mechanism is communicated with the air inlet end of the main plate, the air outlet end of the gas supply mechanism is communicated with the air outlet end of the main plate, a clamping mechanism is arranged on the main plate, the air inlet end of the clamping mechanism is communicated with the air outlet end of the gas supply mechanism, and a power switch group is fixedly connected to the main plate; the air outside is cooled and pumped into the clamping mechanism through the gas supply mechanism, the position of the clamping mechanism is adjusted according to actual needs, the relay protection device is clamped through the clamping mechanism, the staff can conveniently disassemble and assemble the relay protection device, and the relay protection device in the clamping mechanism is cooled to avoid high temperature of the relay protection device.

[0004] However, the clamping mechanism of the relay protection device for transformer substation realizes position fixing through the sliding protrusion and the clamping groove, the spacing of the clamping groove is fixed, accurate fine adjustment cannot be realized, and the relay protection device may not be suitable for different sizes. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a relay protection device for transformer substation, solving the problem that the clamping mechanism of the existing relay protection device for transformer substation realizes position fixing through the sliding protrusion and the clamping groove, the spacing of the clamping groove is fixed, accurate fine adjustment cannot be realized, and the relay protection device is not suitable for different sizes.

[0006] To achieve the above-mentioned purpose, the utility model provides a relay protection device for transformer substation, which comprises a main plate, and further comprises an adjusting assembly, a clamping assembly and a cooling assembly.

[0007] The adjusting assembly comprises a mounting seat, a transmission screw rod, a transmission sliding block and a connecting seat, the mounting seat is fixedly connected with the main plate and located on the surface of the main plate, the transmission screw rod is rotationally connected with the mounting seat, the transmission sliding block is connected with the transmission screw rod, the connecting seat is detachably connected with the transmission sliding block, the clamping assembly is connected with the connecting seat, and the cooling assembly is communicated with the connecting seat.

[0008] The adjusting assembly further comprises a guide block and a handle, the guide block is fixedly connected with the connecting seat and slidably connected with the main plate, and the handle is fixedly connected with the transmission screw rod and located at one end of the transmission screw rod.

[0009] The clamping assembly comprises connecting springs and clamping plates, the number of the clamping plates is two, the two clamping plates are oppositely arranged and respectively located at the inner sides of the connecting seat, and a plurality of the connecting springs are arranged between the clamping plates and the connecting seat.

[0010] The cooling assembly comprises an extension plate and extension lugs, the extension plate is fixedly connected with the connecting seat and located at the side of the connecting seat, and the number of the extension lugs is multiple, the multiple extension lugs are respectively fixedly connected with the extension plate and respectively located on the surface of the extension plate.

[0011] The cooling assembly further comprises a cooling box and a filter screen, the cooling box is communicated with the connecting seat through a hose, and the filter screen is detachably connected with the cooling box and located at one side of the cooling box.

[0012] The surfaces of the connecting seat and the clamping plates are respectively provided with a plurality of through holes.

[0013] The utility model discloses a relay protection device for transformer substation, main plate is fixed on the distribution cabinet in transformer substation through bolt, the mounting seat supports transmission screw rod rotates, transmission sliding block is oppositely threadedly matched with transmission screw rod, and moves along with the rotation of transmission screw rod, the connecting seat is installed on transmission sliding block, and moves along with transmission sliding block, install the clamping assembly on the connecting seat, the clamping assembly is used to install relay protection device, when needing to adjust the position of relay protection device, rotates transmission screw rod, drives transmission sliding block to move, and then drives the connecting seat and the clamping assembly to move, adjusts the position of relay protection device, the cooling assembly cools relay protection device, utilizes transmission screw rod and transmission sliding block to realize the position of fine adjustment relay protection device, is applicable to the relay protection device installation of different sizes and uses. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description.

[0015] Figure 1 It is the whole structure schematic diagram of the relay protection device for transformer substation of the first embodiment of the utility model.

[0016] Figure 2It is the cross section structure schematic view of the substation relay protection device of the first embodiment of the utility model.

[0017] In the figure: 101 - main body board, 102 - mounting seat, 103 - transmission screw, 104 - transmission sliding block, 105 - connecting seat, 106 - guide block, 107 - handle, 108 - connecting spring, 109 - clamping plate, 110 - extension plate, 111 - extension lug, 112 - cooling box, 113 - filter screen, 114 - through hole. DETAILED DESCRIPTION

[0018] The embodiments of the utility model are described in detail below, the example of the embodiment is shown in the drawing, the embodiment described below by referring to the drawing is exemplary, and it is intended to explain the utility model, and it can not be understood as the limitation of the utility model.

[0019] The first embodiment of the application is:

[0020] Please refer to Figure 1 And Figure 2 Among them, Figure 1 It is the overall structure schematic view of the substation relay protection device of the first embodiment of the utility model. Figure 2 It is the cross section structure schematic view of the substation relay protection device of the first embodiment of the utility model.

[0021] The utility model provides a kind of substation relay protection device for relay protection device: including main body board 101, adjusting assembly, clamping assembly and cooling component, the adjusting assembly includes mounting seat 102, transmission screw 103, transmission sliding block 104, connecting seat 105, guide block 106 and handle 107, the clamping assembly includes connecting spring 108 and clamping plate 109, the cooling component includes extension plate 110, extension lug 111, cooling box 112 and filter screen 113, the clamping mechanism of the existing substation relay protection device of the foregoing scheme has solved, and position is fixed by sliding protrusion and clamping groove, the interval of clamping groove is fixed, cannot realize accurate fine adjustment, not applicable to the relay protection device of different sizes, it can be understood that, the foregoing scheme can also be used for the solution of cooling problem.

[0022] For this specific embodiment, the mounting seat 102 is fixedly connected with the main plate 101 and located on the surface of the main plate 101, the transmission screw 103 is rotationally connected with the mounting seat 102, the transmission sliding block 104 is connected with the transmission screw 103, the connecting seat 105 is detachably connected with the transmission sliding block 104, the clamping assembly is connected with the connecting seat 105, and the cooling assembly is in communication with the connecting seat 105. The main plate 101 is bolted on the power distribution cabinet in the transformer substation, and the mounting seat 102 is fixed on the surface of the main plate 101, the mounting seat 102 is used for supporting the rotation of the transmission screw 103, the transmission sliding block 104 is arranged in thread cooperation with the transmission screw 103, and moves following the rotation of the transmission screw 103 to realize fine adjustment, the connecting seat 105 is bolted on the transmission sliding block 104 and moves following the transmission sliding block 104, and is used for mounting the clamping assembly, the clamping assembly is used for mounting the relay protector, and the cooling assembly is used for cooling and heat dissipation of the relay protector.

[0023] Wherein, the guide block 106 is fixedly connected with the connecting seat 105 and slidably connected with the main plate 101, and the handle 107 is fixedly connected with the transmission screw 103 and located at one end of the transmission screw 103. The main plate 101 is provided with a sliding groove corresponding to the guide block 106 for sliding of the guide block 106, the guide block 106 guides the movement of the transmission sliding block 104, the handle 107 is fixed at one end of the transmission screw 103 and has anti-slip patterns on the surface wall for hand to rotate the transmission screw 103, and the handle 107 can also be replaced by a motor to drive the transmission screw 103 to rotate.

[0024] Secondly, the number of the clamping plates 109 is two, the two clamping plates 109 are oppositely arranged and respectively located at the inner sides of the connecting seats 105, and a plurality of the connecting springs 108 are arranged between the clamping plates 109 and the connecting seats 105. The relay protector is placed between the two clamping plates 109, the clamping plates 109 are driven to move by the elastic force of the connecting springs 108 to clamp the relay protector and limit the position of the relay protector, so as to facilitate the staff to disassemble and assemble.

[0025] Meanwhile, the extension plate 110 is fixedly connected with the connecting seat 105 and located at the side of the connecting seat 105, a plurality of extension protrusions 111 are fixedly connected with the extension plate 110 and respectively located on the surface of the extension plate 110. The connecting seat 105, the extension plate 110 and the extension protrusions 111 are all made of heat-conducting material, the relay protector contacts the connecting seat 105, heat is transferred to the extension plate 110 and the extension protrusions 111, the extension plate 110 transfers heat to air, the extension protrusions 111 increase the basic area with air, and the heat dissipation effect is improved.

[0026] In addition, the cooling box 112 is communicated with the connecting seat 105 through a hose, the filter screen 113 is detachably connected with the cooling box 112 and located at one side of the cooling box 112. The cooling box 112 is provided with a gas supply mechanism, the gas supply mechanism is a fan or an air pump, and a small condenser is further arranged, the gas supply mechanism draws air into the cooling box 112, external air is filtered by the filter screen 113 first, then enters the cooling box 112, and finally enters the connecting seat 105 after being cooled by the small condenser, and is finally guided to the relay protector.

[0027] Finally, the surface of the connecting seat 105 and the clamping plate 109 is respectively provided with a plurality of through holes 114. The gas supply mechanism sends cold air into the connecting seat 105, the connecting seat 105 is a hollow structure, the surface close to the relay protector is provided with a plurality of through holes 114, the cold air is guided to the relay protector through the through holes 114, and cooling is realized.

[0028] Use the substation relay protection device of the embodiment, first install the main plate 101 in the power distribution cabinet in the substation through the bolt, install the relay protection device between two clamping plates 109, use the elastic force of the connecting spring 108 to push the clamping plate 109, clamp the relay protection device and limit, facilitate the dismounting of staff, when needing to adjust the position of relay protection device, rotate the transmission lead screw through the handle 107, drive the transmission sliding block 104 and the connecting seat 105 to move, and then drive the relay protection device to move, realize fine adjustment, in the use process, the air supply mechanism in the cooling box 112 runs, the external air is sucked into the cooling box 112, the filter screen 113 first filters the dust in the air, avoids the dust into, and then the cooling wind enters the connecting seat 105, finally blows to the relay protection device through the through hole 114, realizes the air cooling, at the same time, the heat generated by the relay protection device is transmitted to the air through the extension plate 110 and the extension lug 111 and is radiated, improves the cooling effect, adopts the transmission lead screw 103 and the transmission sliding block 104 to realize the position fine adjustment of relay protection device, is suitable for the installation of relay protection device of different sizes.

[0029] The above disclosure is only one or more preferred embodiments of the application, which cannot limit the scope of the application, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the application still belong to the scope covered by the application.

Claims

1. A substation relay protection device, comprising a main plate, characterized in that, It also comprises an adjusting assembly, a clamping assembly and a cooling assembly; The adjusting assembly comprises a mounting seat, a transmission screw, a transmission sliding block and a connecting seat, the mounting seat is fixedly connected with the main plate and located on the surface of the main plate, the transmission screw is rotatably connected with the mounting seat, the transmission sliding block is connected with the transmission screw, the connecting seat is detachably connected with the transmission sliding block, the clamping assembly is connected with the connecting seat, and the cooling assembly is in communication with the connecting seat.

2. The substation relay protection device according to claim 1, characterized in that, The adjusting assembly further comprises a guide block and a handle, the guide block is fixedly connected with the connecting seat and slidably connected with the main plate, and the handle is fixedly connected with the transmission screw and located at one end of the transmission screw.

3. The substation relay protection device according to claim 1, characterized in that, The clamping assembly comprises connecting springs and clamping plates, the number of clamping plates is two, two clamping plates are oppositely arranged and respectively located on the inner side of the connecting seat, and a plurality of connecting springs are arranged between the clamping plates and the connecting seat.

4. The substation relay protection device according to claim 1, characterized in that, The cooling assembly comprises an extension plate and an extension lug, the extension plate is fixedly connected with the connecting seat and located on the side of the connecting seat, and the number of extension lugs is multiple, multiple extension lugs are respectively fixedly connected with the extension plate and respectively located on the surface of the extension plate.

5. The substation relay protection device according to claim 4, characterized in that, The cooling assembly further comprises a cooling box and a filter screen, the cooling box is in communication with the connecting seat through a hose, and the filter screen is detachably connected with the cooling box and located on one side of the cooling box.

6. The substation relay protection device according to claim 3, characterized in that, The surface of the connecting seat and the clamping plate respectively has a plurality of through holes.

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