Relay protection verification device for intelligent power plant

The design of a tool-free installation mechanism with springs and clamping elements addresses the challenge of cumbersome tool-assisted installation in relay protection verification devices, improving ease and security of mounting and disassembly.

CN223107993UActive Publication Date: 2025-07-15DATANG TAIZHOU THERMAL POWER CO LTD
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Patent Information

Application Number
CN202422204763.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2025-07-15
Estimated Expiration
2034-09-09

AI Technical Summary

Technical Problem

The existing relay protection verification device installation process requires tools and cannot be operated with bare hands, which affects the convenience of disassembly and assembly.

Method used

The installation plate and disassembly mechanism are adopted, including installation slots, installation blocks, storage slots, springs, cards and blocks. The card and block are clamped through the elastic expansion of the spring, simplifying the installation and disassembly process.

Benefits of technology

It realizes the quick installation and removal of the relay protection verification device without tools, improving the convenience of disassembly and assembly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a relay protection verification device for an intelligent power plant, and belongs to the technical field of relay protection verification devices, the relay protection verification device for the intelligent power plant comprises a mounting plate, and one end of the mounting plate is provided with a placement groove; according to the relay protection verification device body, when the relay protection verification device body needs to be installed, the installation plate and the power supply device are connected firstly, then the relay protection verification device body is placed in the placement groove, and meanwhile the two installation blocks are placed in the two installation grooves; according to the relay protection verification device, the clamping block is pushed outwards and clamped into the butt joint groove through elastic expansion of the spring, the installation block can be prevented from being separated from the installation groove through clamping of the clamping block and the butt joint groove, then the relay protection verification device body is fixed into the placement groove, and installation of the relay protection verification device body is completed. And the installation of the relay protection verification device body is simpler.
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Description

Technical Field

[0001] The utility model belongs to the technical field of relay protection calibration devices, and particularly relates to a relay protection calibration device for a smart power plant. Background Art

[0002] A relay protection calibration device is an instrument specifically used to test and calibrate the performance of relay protection equipment in a power system. These devices are usually used by technicians, electrical engineers, and maintenance personnel in related fields of power companies to ensure the reliability and accuracy of the relay protection system.

[0003] In power companies, relay protection calibration devices have an important function of maintenance and repair. When the relay protection calibration device is actually used, it needs to be installed on the wall or console, usually installed through a metal plate. However, the existing installation process of the relay protection calibration device is as follows: holes are drilled on the metal plate, and then fixed and connected by bolts and other means. However, this process requires tools and the staff cannot operate it by hand, which will affect the disassembly and assembly convenience of the relay protection calibration device. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a relay protection calibration device for a smart power plant, aiming to solve the problems mentioned in the background art.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A relay protection calibration device for a smart power plant, comprising:

[0007] A mounting plate, one end of which is provided with a placement groove;

[0008] The relay protection calibration device body, which is detachably connected to the placement groove; and

[0009] Two sets of disassembly and assembly mechanisms, each set of which consists of a mounting block, a mounting groove, a storage groove, a spring, a clamping block, and a docking groove. The mounting groove is opened at one end of the mounting plate, the mounting block is fixedly connected to one end of the relay protection calibration device body, the docking groove and the storage groove are respectively opened on one inner wall of the mounting groove and one end of the mounting block, the spring is fixedly connected to one inner wall of the storage groove, and the clamping block is fixedly connected to one end of the spring.

[0010] As a preferred scheme of the utility model, a disassembly groove is opened on one inner wall of the storage groove, and a pulling block is fixedly connected to one end of the clamping block.

[0011] As a preferred scheme of the utility model, a handle is fixedly connected to one end of the pulling block, and a plurality of mounting holes are opened at one end of the mounting plate.

[0012] As a preferred embodiment of the present utility model, one inner wall of the storage groove is fixedly connected with a telescopic rod, and the spring is sleeved on the circumferential surface of the telescopic rod.

[0013] As a preferred embodiment of the present utility model, two alignment grooves are opened at one end of the mounting plate, and an alignment ring is fixedly connected to one end of the relay protection calibration device body.

[0014] As a preferred embodiment of the present utility model, alignment rods are fixedly connected to one inner wall of the two alignment grooves respectively, and the two alignment rings are respectively sleeved on the circumferential surfaces of the two alignment rods.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] 1. In this solution, when the relay protection calibration device body needs to be installed, first connect the mounting plate and the power supply device, and then place the relay protection calibration device body in the placement groove. At the same time, place the two mounting blocks in the two mounting grooves. Through the elastic expansion of the spring, the clamping block is pushed outwards and clamped into the docking groove. Through the clamping of the clamping block and the docking groove, it can prevent the mounting block from detaching from the mounting groove, thereby fixing the relay protection calibration device body in the placement groove and completing the installation of the relay protection calibration device body. Through the above design, the installation of the relay protection calibration device body is made simpler.

[0017] 2. In this solution, when the relay protection calibration device body needs to be disassembled from the placement groove, directly pull the pulling block and the clamping block to the right and pull the clamping block out of the docking groove, and then the relay protection calibration device body can be taken out of the placement groove to complete the quick disassembly of the relay protection calibration device body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0019] Figure 1 is the front perspective view of the present utility model;

[0020] Figure 2 is in the present utility model Figure 2 partial enlarged view at A;

[0021] Figure 3 is the top cross-sectional perspective view of the present utility model;

[0022] Figure 4 is in the present utility model Figure 3 partial enlarged view at B

[0023] In the figure: 1, mounting plate; 2, mounting hole; 3, mounting groove; 4, mounting block; 5, relay protection checking device body; 6, alignment groove; 7, alignment ring; 8, alignment rod; 9, pulling block; 10, handle; 11, disassembly groove; 12, placement groove; 13, clamping block; 14, telescopic rod; 15, storage groove; 16, spring. Specific implementation mode

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0025] Embodiment 1

[0026] Please refer to Figures 1-4 , the present invention provides the following technical solutions:

[0027] A relay protection checking device for a smart power plant, comprising:

[0028] A mounting plate 1, and a placement groove 12 is opened at one end of the mounting plate 1;

[0029] The relay protection checking device body 5, and the relay protection checking device body 5 is detachably connected to the placement groove 12; and

[0030] Two sets of disassembly and assembly mechanisms, each set of disassembly and assembly mechanisms is composed of a mounting block 4, a mounting groove 3, a storage groove 15, a spring 16, a clamping block 13 and a docking groove. The mounting groove 3 is opened at one end of the mounting plate 1, the mounting block 4 is fixedly connected to one end of the relay protection checking device body 5, the docking groove and the storage groove 15 are respectively opened on one inner wall of the mounting groove 3 and one end of the mounting block 4, the spring 16 is fixedly connected to one inner wall of the storage groove 15, and the clamping block 13 is fixedly connected to one end of the spring 16.

[0031] In the specific embodiment of the present invention, when it is necessary to install the relay protection checking device body 5, place it in the placement groove 12, and at the same time, snap the mounting block 4 into the mounting groove 3. Through the elastic expansion of the spring 16 fixedly connected to one inner wall of the storage groove 15, the clamping block 13 is pushed into the docking groove. After the clamping block 13 and the docking groove are clamped, the clamping block 13 can prevent the mounting block 4 and the mounting groove 3 from separating, which is convenient to install the relay protection checking device body 5 into the placement groove 12. When it is necessary to disassemble, reverse the above design to complete the disassembly of the relay protection checking device body 5, improving the convenience of its disassembly and assembly.

[0032] Preferably, the working principle of the relay protection calibration device body 5 is as follows:

[0033] Signal generation: The calibration device can generate precisely controlled current and voltage signals, which can simulate electrical parameters under normal operating conditions or fault conditions;

[0034] Signal output: These signals are output to the protection device under test through a specific interface to simulate the situation in the actual operating environment;

[0035] Data acquisition and analysis: The calibration device also has the function of data acquisition, can record important information such as the action time and action value of the device under test in real time, and compare it with the preset value to evaluate its performance;

[0036] Result display: According to the analysis result, the calibration device will display whether the performance of the device under test meets the requirements and provide a detailed test report.

[0037] Specifically, please refer to Figure 2 , a disassembly groove 11 is provided on one inner wall of the storage groove 15, one end of the clamping block 13 is fixedly connected with a pulling block 9, one end of the pulling block 9 is fixedly connected with a handle 10, and a plurality of mounting holes 2 are provided at one end of the mounting plate 1.

[0038] In this embodiment: When it is necessary to pull out the clamping block 13 from the docking groove, the clamping block 13 can be pulled to the right by pulling the pulling block 9 to pull out the clamping block 13 from the docking groove, improving the use convenience of the device. The mounting plate 1 and the relay protection calibration device body 5 can be conveniently installed at positions such as the center console through the plurality of mounting holes 2.

[0039] Specifically, please refer to Figure 2 , one inner wall of the storage groove 15 is fixedly connected with a telescopic rod 14, a spring 16 is sleeved on the circumferential surface of the telescopic rod 14, two alignment grooves 6 are provided at one end of the mounting plate 1, one end of the relay protection calibration device body 5 is fixedly connected with an alignment ring 7, and alignment rods 8 are fixedly connected to one inner wall of the two alignment grooves 6 respectively. The two alignment rings 7 are respectively sleeved on the circumferential surfaces of the two alignment rods 8.

[0040] In this embodiment: The telescopic rod 14 can prevent damage caused by the bending deformation of the spring 16. After the relay protection calibration device body 5 is installed in the placement groove 12, the alignment ring 7 can be clamped into the alignment groove 6 and the alignment ring 7 can be sleeved on the circumferential surface of the alignment rod 8 to improve the installation accuracy of the relay protection calibration device body 5.

[0041] The working principle and usage process of the present utility model:

[0042] When the relay protection calibration device body 5 needs to be installed, it is placed in the placement groove 12. At the same time, the installation block 4 is clamped in the installation groove 3. Through the elastic expansion of the spring 16 fixedly connected to the inner wall of one side of the storage groove 15, the clamping block 13 is pushed into the docking groove. After the clamping block 13 and the docking groove are clamped, the clamping block 13 can prevent the separation between the installation block 4 and the installation groove 3, which is convenient to install the relay protection calibration device body 5 into the placement groove 12.

[0043] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A relay protection calibration device for a smart power plant, characterized in that Including: A mounting plate (1), one end of the mounting plate (1) is provided with a placement groove (12); A relay protection calibration device body (5), the relay protection calibration device body (5) is detachably connected in the placement groove (12); and Two sets of disassembly and assembly mechanisms, each set of the disassembly and assembly mechanisms is composed of a mounting block (4), a mounting groove (3), a storage groove (15), a spring (16), a clamping block (13) and a placement groove (12). The mounting groove (3) is opened at one end of the mounting plate (1), the mounting block (4) is fixedly connected to one end of the relay protection calibration device body (5), the placement groove (12) and the storage groove (15) are respectively opened on one inner wall of the mounting groove (3) and one end of the mounting block (4), the spring (16) is fixedly connected to one inner wall of the storage groove (15), and the clamping block (13) is fixedly connected to one end of the spring (16).

2. The relay protection calibration device for a smart power plant according to claim 1, characterized in that, A disassembly groove (11) is opened on one inner wall of the storage groove (15), and a pulling block (9) is fixedly connected to one end of the clamping block (13).

3. The relay protection calibration device for a smart power plant according to claim 2, wherein, A handle (10) is fixedly connected to one end of the pulling block (9), and a plurality of mounting holes (2) are opened at one end of the mounting plate (1).

4. The relay protection calibration device for a smart power plant according to claim 3, characterized in that, A telescopic rod (14) is fixedly connected to one inner wall of the storage groove (15), and the spring (16) is sleeved on the circumferential surface of the telescopic rod (14).

5. The relay protection calibration device for a smart power plant according to claim 4, characterized in that, Two alignment grooves (6) are opened at one end of the mounting plate (1), and an alignment ring (7) is fixedly connected to one end of the relay protection calibration device body (5).

6. The relay protection calibration device for an intelligent power plant according to claim 5, characterized in that, Alignment rods (8) are fixedly connected to one inner walls of the two alignment grooves (6), and the two alignment rings (7) are respectively sleeved on the circumferential surfaces of the two alignment rods (8).