Voltage relay verification auxiliary device
By designing an auxiliary device for voltage relay calibration, and utilizing guide rails and terminal blocks to achieve rapid wiring of multiple relays, the problem of wasted calibration time in hydropower stations was solved, and an efficient calibration process was achieved.
Patent Information
- Application Number
- CN202422460005.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-12
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-10-12
AI Technical Summary
In existing technologies, the calibration of a large number of relays in hydropower stations requires individual wiring, which wastes maintenance time and makes it impossible to efficiently calibrate voltage relays.
A voltage relay calibration auxiliary device was designed, comprising a base plate, a guide rail, a terminal block, and a relay base. Multiple relays are quickly wired by sliding connection of the guide rail, and the operating voltage and return voltage of the relays are measured simultaneously using a relay protection instrument.
Simultaneous verification of multiple relays was achieved, saving maintenance time and improving verification efficiency.
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Figure CN223650693U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to relay technology field especially relates to a voltage relay check auxiliary device. BACKGROUND
[0002] Relay is a common electrical control element, and its basic principle is to control output when the change of input reaches the specified requirement, and is usually applied to an automatic control circuit, and the input signals of the relay are various; the input signal of the relay commonly used in a hydropower station is a voltage signal, and the voltage relay controls a circuit according to the action voltage of a coil.
[0003] According to the relevant regulation specification requirement, the action voltage and return voltage of the voltage relay coil need to be checked periodically, and the relays of one system in the hydropower station can be hundreds, so that a large amount of time is spent in individual wiring and checking, and a large amount of maintenance time is wasted. UTILITY MODEL CONTENTS
[0004] The utility model discloses a voltage relay check auxiliary device, solve the problem that a large number of relay check takes the conventional mode and needs to spend a large amount of time, which is not conducive to the development of on-site work.
[0005] To achieve the above object, the utility model provides a voltage relay check auxiliary device, including bottom plate, two first guide rails, two second guide rails, first terminal row, second terminal row, a plurality of first relay base and a plurality of second relay base, two first guide rails are connected with bottom plate, and are located two ends of bottom plate, two second guide rails are connected with bottom plate, and are located between two first guide rails, two first guide rails and two second guide rails are parallelly arranged, first terminal row is set up on the surface of corresponding first guide rail, and is located above bottom plate, second terminal row is set up on the surface of corresponding first guide rail, and is located the lower end of bottom plate, a plurality of first relay base is slidably connected with corresponding second guide rail, and is located one side of first terminal row, a plurality of second relay base is slidably connected with corresponding second guide rail, and is located one side of second terminal row.
[0006] Among them, the first terminal row includes two groups of first alternating current terminals, two groups of direct current terminals, four first connecting lines and two groups of first normally open terminals, two groups of first alternating current terminals are slidably connected with corresponding first guide rail, and are located one end of first guide rail, two groups of direct current terminals are slidably connected with first guide rail, and are located one side of two groups of first alternating current terminals, two groups of first normally open terminals are slidably connected with corresponding first guide rail, and are located one side of direct current terminal, four first connecting lines are connected with two groups of first alternating current terminals and two groups of direct current terminals respectively.
[0007] The second terminal row comprises two groups of second alternating current terminals, two second connecting lines and two groups of second normally open terminals, the two groups of second alternating current terminals are slidably connected with the corresponding first guide rails and are located at one end of the first guide rails, the two groups of second normally open terminals are slidably connected with the corresponding first guide rails and are located at one side of the two groups of second alternating current terminals, and the two second connecting lines are connected with the two groups of second alternating current terminals respectively.
[0008] The voltage relay verification auxiliary device further comprises two groups of groove boxes, the two groups of groove boxes are connected with the bottom plate and are arranged between the adjacent first guide rails and the second guide rails respectively.
[0009] The two groups of second alternating current terminals and the two groups of second normally open terminals, the two groups of first alternating current terminals and the two groups of direct current terminals, and the two groups of direct current terminals and the two groups of first normally open terminals are all provided with empty terminals.
[0010] The voltage relay verification auxiliary device comprises two first guide rails, two second guide rails, a first terminal row, a second terminal row, a plurality of first relay bases and a plurality of second relay bases, wherein the two first guide rails are connected with the bottom plate and are located at two ends of the bottom plate, the two second guide rails are connected with the bottom plate and are located between the two first guide rails, the two first guide rails and the two second guide rails are both arranged in parallel, the first terminal row is arranged on the surface of the corresponding first guide rail and is located above the bottom plate, the second terminal row is arranged on the surface of the corresponding first guide rail and is located at the lower end of the bottom plate, the plurality of first relay bases are slidably connected with the corresponding second guide rails and are located at one side of the first terminal row, and the plurality of second relay bases are slidably connected with the corresponding second guide rails and are located at one side of the second terminal row. BRIEF DESCRIPTION OF DRAWINGS
[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without any creative effort.
[0012] Fig. 1 This is a schematic diagram of the voltage relay calibration auxiliary device of this utility model.
[0013] Fig. 2 This is a schematic diagram of the structure of the first terminal block of this utility model.
[0014] Fig. 3 This is a schematic diagram of the structure of the second terminal block of this utility model.
[0015] 1-Base plate, 2-First guide rail, 3-Second guide rail, 4-First relay base, 5-Null terminal, 6-Second relay base, 7-First AC terminal, 8-DC terminal, 9-First connecting wire, 10-First normally open terminal, 11-Second AC terminal, 12-Second connecting wire, 13-Second normally open terminal, 14-Slot box. Detailed Implementation
[0016] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.
[0017] Please see Figs. 1 to 3 This utility model provides a voltage relay calibration auxiliary device, including a base plate 1, two first guide rails 2, two second guide rails 3, a first terminal block, a second terminal block, a plurality of first relay bases 4, and a plurality of second relay bases 6. The two first guide rails 2 are connected to the base plate 1 and are located at both ends of the base plate 1. The two second guide rails 3 are connected to the base plate 1 and are located between the two first guide rails 2. The two first guide rails 2 and the two second guide rails 3 are arranged in parallel. The first terminal block is disposed on the surface of the corresponding first guide rail 2 and is located above the base plate 1. The second terminal block is disposed on the surface of the corresponding first guide rail 2 and is located at the lower end of the base plate 1. The plurality of first relay bases 4 are slidably connected to the corresponding second guide rails 3 and are located on one side of the first terminal block. The plurality of second relay bases 6 are slidably connected to the corresponding second guide rails 3 and are located on one side of the second terminal block.
[0018] In this embodiment, the relays are placed on the first relay base 4 and the second relay base 6 respectively. The coil wiring and normally open contact wiring of the relays are connected to the first terminal block and the second terminal block respectively. The relay coil is input with a voltage of the corresponding level through the relay protection device. The normally open contact of the relay is connected to the relay protection device to monitor the relay operation. This method can simultaneously and quickly measure the operating voltage and return voltage of multiple relays, and measure multiple groups of relays at the same time, saving maintenance time.
[0019] Furthermore, the first terminal block includes two sets of first AC terminals 7, two sets of DC terminals 8, four first connecting wires 9, and two sets of first normally open terminals 10. The two sets of first AC terminals 7 are slidably connected to the corresponding first guide rails 2 and are located at one end of the first guide rails 2. The two sets of DC terminals 8 are slidably connected to the first guide rails 2 and are located on one side of the two sets of first AC terminals 7. The two sets of first normally open terminals 10 are slidably connected to the corresponding first guide rails 2 and are located on one side of the DC terminals 8. The four first connecting wires 9 are respectively connected to the two sets of first AC terminals 7 and the two sets of DC terminals 8.
[0020] In this embodiment, the first AC terminal 7 is AC220V, the DC terminal 8 is DC202V, and the two first connecting lines 9 respectively short-circuit the two sets of first AC terminals 7 and the two sets of DC terminals 8.
[0021] Furthermore, the second terminal block includes two sets of second AC terminals 11, two second connecting lines 12, and two sets of second normally open terminals 13. The two sets of second AC terminals 11 are slidably connected to the corresponding first guide rail 2 and are located at one end of the first guide rail 2. The two sets of second normally open terminals 13 are slidably connected to the corresponding first guide rail 2 and are located on one side of the two sets of second AC terminals 11. The second connecting lines 12 are respectively connected to the two sets of second AC terminals 11.
[0022] In this embodiment, the second DC terminal 8 is AC24V.
[0023] Furthermore, the voltage relay calibration auxiliary device also includes two sets of slot boxes 14, which are connected to the base plate 1 and respectively disposed between the adjacent first guide rail 2 and second guide rail 3.
[0024] In this embodiment, the two sets of slots 14 are used to store wires and prevent them from getting tangled.
[0025] Furthermore, empty terminals 5 are provided between the two sets of second AC terminals 11 and the two sets of second normally open terminals 13, between the two sets of first AC terminals 7 and the two sets of DC terminals 8, and between the two sets of DC terminals 8 and the two sets of first normally open terminals 10.
[0026] In this embodiment, the empty terminal 5 is used to separate two adjacent different terminals to prevent errors from occurring during wiring and causing electrical damage.
[0027] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Those skilled in the art can understand that implementing all or part of the above-described embodiments and making equivalent changes in accordance with the claims of the present utility model are still within the scope of the utility model.
Claims
1. A voltage relay calibration auxiliary device, comprising a base plate, characterized in that, It also includes two first guide rails, two second guide rails, a first terminal block, a second terminal block, a plurality of first relay bases, and a plurality of second relay bases. The two first guide rails are connected to the base plate and located at both ends of the base plate. The two second guide rails are connected to the base plate and located between the two first guide rails. The two first guide rails and the two second guide rails are arranged in parallel. The first terminal block is disposed on the surface of the corresponding first guide rail and located above the base plate. The second terminal block is disposed on the surface of the corresponding first guide rail and located at the lower end of the base plate. The plurality of first relay bases are slidably connected to the corresponding second guide rails and located on one side of the first terminal block. The plurality of second relay bases are slidably connected to the corresponding second guide rails and located on one side of the second terminal block.
2. The voltage relay calibration auxiliary device as described in claim 1, characterized in that, The first terminal block includes two sets of first AC terminals, two sets of DC terminals, four first connecting wires, and two sets of first normally open terminals. The two sets of first AC terminals are slidably connected to the corresponding first guide rails and located at one end of the first guide rails. The two sets of DC terminals are slidably connected to the first guide rails and located on one side of the two sets of first AC terminals. The two sets of first normally open terminals are slidably connected to the corresponding first guide rails and located on one side of the DC terminals. The four first connecting wires are respectively connected to the two sets of first AC terminals and the two sets of DC terminals.
3. The voltage relay calibration auxiliary device as described in claim 2, characterized in that, The second terminal block includes two sets of second AC terminals, two second connecting lines, and two sets of second normally open terminals. The two sets of second AC terminals are slidably connected to the corresponding first guide rails and located at one end of the first guide rails. The two sets of second normally open terminals are slidably connected to the corresponding first guide rails and located on one side of the two sets of second AC terminals. The two second connecting lines are respectively connected to the two sets of second AC terminals.
4. The voltage relay calibration auxiliary device as described in claim 3, characterized in that, The voltage relay calibration auxiliary device also includes two sets of slots, which are connected to the base plate and respectively disposed between the adjacent first guide rail and the second guide rail.
5. The voltage relay calibration auxiliary device as described in claim 4, characterized in that, Empty terminals are provided between the two sets of second AC terminals and the two sets of second normally open terminals, between the two sets of first AC terminals and the two sets of DC terminals, and between the two sets of DC terminals and the two sets of first normally open terminals.