Novel polarity test auxiliary device
By combining a remote control and an output device, the problems of communication difficulties and safety risks in field current transformer polarity testing are solved, and efficient and safe polarity testing is achieved.
Patent Information
- Application Number
- CN202423043628.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-10
AI Technical Summary
When conducting on-site acceptance testing of instrument transformer polarity, there are problems such as communication difficulties, increased personnel input, increased operational errors and safety risks. Existing technologies are difficult to conduct polarity testing efficiently and safely.
The device uses a combination of remote control and output device. Through the remote control module and indicator lights, it realizes remote control and circuit detection of the three-phase wiring on the primary side, reducing manual operation and improving test accuracy and safety.
It eliminates the need for manual wire replacement, reduces personnel input, lowers the risk of electric shock, improves testing efficiency and accuracy, and simplifies the polarity testing process.
Smart Images
Figure CN223742710U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to power polarity detection technical field, concretely is a novel polarity test auxiliary device. BACKGROUND
[0002] The current on-site acceptance of mutual inductor polarity test operation: one person needs to connect the wire at the primary side of the mutual inductor, and draw the test line from P1 and P2 ports to the positive and negative ends of the battery, and another person needs to measure in the secondary side terminal row of the mutual inductor with a pointer table. When the polarity test is performed on the main transformer, before and after the switch cabinet, and the newly-built GIS, due to the noisy environment on site, the distance between the secondary circuit and the primary conductor connection is far, and the communication is difficult, the matching error of the combination / division command is easy to occur, the intercom is used for communication, and the single-handed operation of the operator is caused when a single person, which is easy to make mistakes. When two people cooperate, the personnel investment is increased.
[0003] When testing: use a battery or a high-voltage swing watch to perform polarity test operation, manually connect and disconnect the battery or the high-voltage swing watch during the polarity test operation, and the operator may be mistaken, increasing the personal safety risk.
[0004] During the test process, the primary circuit is often not connected or the contact is often poor, which causes the test work to be hindered and the troubleshooting time to be long. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a novel polarity test auxiliary device to solve the problems in the above background technology.
[0006] To achieve the above object, the utility model provides the following technical scheme: a novel polarity test auxiliary device, comprising a remote controller and an output instrument, the remote controller comprises a first shell and a first control panel, a first battery and a first power switch, three A, B, C phase first remote control remote control modules are arranged on the first control panel, three A, B, C phase button switches, three A, B, C phase first remote control remote receiving modules and three A, B, C phase indicator lamps, three indicator lamps are connected in parallel and three first remote control remote control modules are connected to the two ends of the first battery, to form a plurality of first branches, wherein the first branch of the three indicator lamps is respectively connected in series with a corresponding first remote control remote receiving module, and the first branch of the three first remote control remote control modules is respectively connected in series with a corresponding button switch.
[0007] The output instrument comprises a second shell and a second control panel, a second battery and a second power switch, the second control panel is provided with three A, B and C phase second remote control remote control modules, three A, B and C phase second remote control remote receiving modules, one second remote control remote control module and one second remote control remote receiving module are connected in parallel and then connected in series with a first device to form a second branch, three second branches are connected in parallel across the second battery, three first remote control remote control modules correspond to three second remote control remote receiving modules, and three second remote control remote control modules correspond to three first remote control remote receiving modules.
[0008] Preferably, the first remote control remote control module and the second remote control remote control module are of BOR-KG04-12 model and have the functions of receiving and sending remote control signals.
[0009] Compared with the prior art, the output instrument has the beneficial effects that:
[0010] 1. The remote control remote control node provided by the utility model can replace the old method of manual polarity knocking, provide three-phase wiring at a time, and do not need to change the line, thereby improving work efficiency.
[0011] 2. Personnel investment is reduced, direct contact of personnel with the battery or the watch is avoided, and the risk of electric shock is reduced.
[0012] 3. The device is provided with a one-time loop on-off detection function, one-time problems are checked in advance, whether the one-time meets the test conditions is monitored before each test, in the fault-free state, the device sends a signal to the remote controller to light up three lamps, and the test personnel can make a judgment. When testing, for example, A is connected, the output loop short-circuit one-time loop detection module is used, the module remotely sends the A lamp contact to be disconnected, so that the lamp is extinguished, and thus the test personnel can judge from the remote controller whether the output phase is problematic, and the test accuracy is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 Fig. 1 is a front view of a first shell of a remote controller provided by the utility model;
[0014] Figure 2 Fig. 3 is a front view of a second shell of an output instrument provided by the utility model;
[0015] Figure 3 Fig. 4 is a circuit diagram of the remote controller provided by the utility model;
[0016] Figure 4 Fig. 5 is a circuit diagram of the output instrument provided by the utility model;
[0017] Figure 5 Fig. 6 is a use state diagram of the utility model;
[0018] In the figure: push button switch (K01; K02; K03), first remote control module (K11; K12; K13), first remote receiving module (K14; K15; K16), second remote control module (K24; K25; K26), second remote receiving module (K21; K22; K23). DETAILED DESCRIPTION
[0019] The technical scheme in one embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model.
[0020] Please refer to Figures 1-5 :
[0021] A novel polarity test auxiliary device, comprising a remote controller and an output instrument, the remote controller comprising a first shell and a first control panel, a first battery and a first power switch, the first control panel being provided with three A, B, C phase first remote control modules (K11; K12; K13), three A, B, C phase push button switches (K01; K02; K03), three A, B, C phase first remote receiving modules (K14; K15; K16) and three A, B, C phase indicator lamps, the three indicator lamps being connected in parallel and the three first remote control modules (K11; K12; K13) being connected across the first battery, forming a plurality of first branches, wherein the first branch in which the three indicator lamps are located is connected in series with one corresponding first remote receiving module (K14; K15; K16), and the first branch in which the three first remote control modules (K11; K12; K13) are located is connected in series with one corresponding push button switch (K01; K02; K03).
[0022] The output instrument comprises a second shell and a second control panel, a second battery and a second power switch, the second control panel being provided with three A, B, C phase second remote control modules (K24; K25; K26) and three A, B, C phase second remote receiving modules (K21; K22; K23), one second remote receiving module (K21; K22; K23) and one second remote control module (K24; K25; K26) being connected in parallel and then connected in series with one first device to form a second branch, such as Figure 4 , the second remote receiving module K21 and the second remote control module K24 being connected in parallel and then connected in series with one first device: the three second branches being connected across the second battery, the three first remote control modules (K11; K12; K13) corresponding to the three second remote receiving modules (K21; K22; K23), and the three second remote control modules (K24; K25; K26) corresponding to the three first remote receiving modules (K14; K15; K16).
[0023] In this embodiment, as preferred, the first remote control module and the second remote control module are of BOR-KG04-12 model, and have the functions of receiving and sending remote control signals.
[0024] Based on the polarity test auxiliary device, the utility model provides a kind of polarity test method, which comprises the following steps:
[0025] 1, the output instrument is placed in the operating point, and the remote controller is placed in the measurement point,
[0026] 2, first, the primary side output instrument A, B, C three-phase is connected with primary equipment, to form primary output loop, then switch on power supply switch;
[0027] 3, primary output loop is connected through the second remote control module (K24;K25;K26), if there is no abnormality, the second remote control module (K24;K25;K26) sends a closing signal to the first remote control receiving module of the remote controller, connects the receiving point of the first remote control receiving module (K14;K15;K16) on the remote controller, and lights up the corresponding phase indicator, to determine that the primary wiring is normal;
[0028] 4, through the remote control A, B, C phase button switch (K01;K02;K03), the corresponding first remote control module (K11;K12;K13) is connected, the corresponding second remote control receiving module (K21;K22;K23) in output instrument is controlled to close output, output current, and the secondary side CT is measured by pointer table;
[0029] 5, at the same time, the second remote control receiving module (K21;K22;K23) is closed, to form a loop, and the second remote control module (K24;K25;K26) is short-circuited, so that there is no potential difference on both sides, and the function returns, the second remote control module (K24;K25;K26) sends a disconnect signal to the remote controller, disconnects the first remote receiving module (K14;K15;K16) in the remote controller, and the corresponding phase indicator is extinguished, so that whether the corresponding output phase is wrong can be determined at this time;
[0030] 6, after completing polarity measurement, the remote control personnel releases the phase output button, and automatically returns to the state before starting test, the corresponding phase indicator is bright, and the primary output stops.
[0031] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.
Claims
1. A new polarity test aid comprising a remote control and an output meter, characterized in that: The remote controller comprises a first shell and a first control panel, a first battery and a first power switch, the first control panel is provided with three A, B and C phase first remote control modules, three A, B and C phase button switches, three A, B and C phase first remote receiving modules and three A, B and C phase indicator lamps, the three indicator lamps are connected in parallel and the three first remote control modules are connected across the first battery, thereby forming a plurality of first branches, wherein the first branch where the three indicator lamps are located is connected in series with a corresponding first remote receiving module, and the first branch where the three first remote control modules are located is connected in series with a corresponding button switch. The output instrument comprises a second shell and a second control panel, a second battery and a second power switch, the second control panel is provided with three A, B and C phase second remote control modules, three A, B and C phase second remote receiving modules, one second remote control module and one second remote receiving module are connected in parallel and connected in series with a first device to form a second branch, three second branches are connected in parallel across the second battery, three first remote control modules correspond to three second remote receiving modules, and three second remote control modules correspond to three first remote receiving modules.
2. A novel polarity test aid as claimed in claim 1, wherein: The first remote control module and the second remote control module are BOR-KG04-12 type, which have the functions of receiving and sending remote control signals.