CN217879334U

CN217879334U - Interface adapter of arc suppression coil controller tuning function test equipment

Info

Publication number: CN217879334U
Application number: CN202221858419.7U
Authority: CN
Inventors: 李瑞桂; 顼军娜; 赵晴; 赵艳; 李冬伟
Original assignee: HEBEI XUHUI ELECTRIC CO Ltd
Current assignee: HEBEI XUHUI ELECTRIC CO Ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-11-22
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses an arc suppression coil controller tuning function test equipment interface adapter, including the casing, fixed mounting has interface matching printed circuit board PCB in the casing, and the welding has first connector, second connector and detection terminal on the interface matching printed circuit board PCB, and the connecting wire between first connector and the second connector transmits the signal that need not to interact between detection device and the system of being observed, and the connecting wire between detection terminal and the second connector transmits the signal that needs to interact between the system of being observed and detection device; the first connector, the second connector and the detection terminal are clamped at the opening of the shell. The utility model discloses an use, the convenience carries out the test of tuning function at the scene to the automatic tracking arc suppression coil controller of already putting into operation, has alleviateed work load, has avoided wiring mistake occurence of failure.

Description

Interface adapter of arc suppression coil controller tuning function test equipment

Technical Field

The utility model relates to an electrical equipment detects technical field, especially an interface adapter that uses when being used for the tuning function test of arc suppression coil controller.

Background

In a 6 kV-66 kV power system, the most widespread neutral point grounding mode is a mode that a neutral point is grounded through an arc suppression coil, and most of arc suppression coils adopted in a system that the neutral point is grounded through the arc suppression coil are automatic tracking arc suppression coils.

The controller of the automatic tracking arc suppression coil is the core for determining the good work of the arc suppression coil, however, compared with primary equipment, the controller mainly comprising electronic components has short service life, fast aging, low anti-interference capability, and is easy to have the phenomena of sampling error and gradual large system capacity flow error. Therefore, in order to guarantee the safety and reliability of the power system in the operation process, the measurement and calculation accuracy check and verification work of the arc suppression coil controller is essential.

For an arc suppression coil controller which is put into operation, various signal wires in the field are connected to a wiring terminal of the arc suppression coil controller, when the arc suppression coil controller is tested by adopting a detection device, the signal wires which are originally connected to the monitored controller need to be disassembled and connected to the detection device, and then the test wires of the detection device are connected to the controller.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that needs to solve provides an arc suppression coil controller tuning function test equipment interface adapter, and the convenience carries out tuning function's test at the scene to the automatic tracking arc suppression coil controller of having put into operation, alleviates work load, avoids the wrong occurence of failure of working a telephone switchboard.

In order to solve the technical problem, the utility model adopts the following technical proposal.

An interface adapter of an arc suppression coil controller tuning function test device comprises a shell, wherein an interface matching Printed Circuit Board (PCB) is fixedly installed in the shell, a first connector, a second connector and a detection terminal are welded on the interface matching PCB, a connecting wire between the first connector and the second connector transmits a signal which does not need to be interacted between a detection device and a measured controller, and a connecting wire between the detection terminal and the second connector transmits a signal which needs to be interacted between the measured controller and the detection device; the first connector, the second connector and the detection terminal are clamped at the opening of the shell.

In the interface adapter of the arc suppression coil controller tuning function test equipment, the detection terminal is connected with the detection device; the first connector is connected with a connecting terminal pulled down by the measured controller, and the second connector is inserted in a measured controller female seat pulled down by the connecting terminal.

Due to the adoption of the technical scheme, the utility model has the following technical progress.

The utility model discloses can provide the switching with the relevant signal of automatic tracking arc suppression coil controller tuning function, satisfy the demand that on-the-spot arc suppression coil controller tuning function detected, during the use direct plug binding post can, need not the on-the-spot rewiring, the test of the on-the-spot tuning function of automatic tracking arc suppression coil controller has been made things convenient for, and the labor intensity is reduced, and the work efficiency is improved, and the problem of having avoided the on-the-spot wiring to make mistakes easily simultaneously takes place, provides reliable guarantee for guaranteeing electric power system operation and test effect.

Drawings

FIG. 1 is a schematic side view of the utility model in use;

FIG. 2 is a schematic view of the front view structure of the utility model in the use state;

FIG. 3 is a terminal definition of the field crowbar coil controller in this embodiment;

fig. 4 is a circuit diagram of the interface matching printed circuit board PCB in this embodiment.

Wherein: 1. the connector comprises a first connector, a second connector, a detection terminal and an interface, wherein the first connector 2, the second connector 3, the detection terminal 4, the interface is matched with a printed circuit board PCB, and the shell 5; 6. the tested controller, 7, a connecting terminal and 8, the tested controller female seat.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

When the tuning function of the automatic tracking arc suppression coil controller is detected, the signals required to be interacted between the measured controller and the detection device comprise: a gear shifting signal, a gear read-back signal and an analog quantity signal of the on-load switch; the on-load switch gear shifting signals comprise two switching value signals of common gear shifting and common gear shifting, the gear reading signals can adopt a linear mode and a coding mode, and the analog quantity signals comprise a midpoint voltage signal U _P A midpoint current signal I ₀ 。

When the tuning function of the automatic tracking arc suppression coil controller is detected, signals which do not need to be interacted include: the system comprises a working power supply, three-phase voltage signals, synchronous signals, parallel resistance control output signals, parallel resistance state read-back signals, feeder zero-sequence current signals, various alarm output signals and the like.

The utility model provides a pair of tuning function test equipment interface adapter of arc suppression coil controller, detection device is connected to one end, and the other end is connected and is observed the controller. The structure of the device is shown in fig. 1 and fig. 2, and the device comprises a shell 5, wherein an interface matching Printed Circuit Board (PCB) 4 is fixedly installed in the shell, a first connector 1, a second connector 2 and a detection terminal 3 are welded on the interface matching Printed Circuit Board (PCB), a connecting wire between the first connector 1 and the second connector 2 transmits signals which do not need to be interacted, and a connecting wire between the detection terminal 3 and the second connector 2 transmits signals which need to be interacted between a measured controller and a detection device; the first connector 1, the second connector 2 and the detection terminal 3 are clamped at the opening of the shell.

In the present embodiment, the terminals of the field monitored controller are defined as shown in fig. 3, and include up-down gears SDC, JDC, TDB and binary coded range readback signals DW1, DW2, DW4, DW8, DW16, COM +, and other analog signals.

A circuit diagram of an adapter interface matching Printed Circuit Board (PCB) corresponding to the measured controller is shown in figure 4, wherein J1 on the interface matching Printed Circuit Board (PCB) corresponds to a first connector 1 connected with a wiring terminal 7 pulled out of the measured controller, a Phoenix MSTB 2.5/16-5.08 female seat is adopted, the terminal is completely the same as a PCB terminal corresponding to the wiring terminal of the measured controller, and the wiring terminal of the measured controller, namely the MSTB 2.5/16-5.08 male head, is pulled out of the measured controller and inserted into the position before testing; j2 is corresponding to the second connector 2 connected with the tested controller female socket, and the MSTB 2.5/16-5.08 male connector has the same type as the tested controller wiring terminal 7 and can be directly inserted into a corresponding terminal interface of the tested controller, so that a test signal is introduced into the tested controller; j3 is a DB37 connector corresponding to the detection terminal 3 connected to the detection device.

In this embodiment, all the test signals of J2, i.e., the up-down shift SDC, JDC, TDB and the binary coded gear read-back signals DW1, DW2, DW4, DW8, DW16, COM +, are connected to corresponding signal pins of the DB37 connector of J3; the other signal of J2 is connected to the pin of the corresponding signal of J1.

When the on-site inspection, only need to be pulled out the grafting by binding post 7 (public head) of measurement and control system and be in the utility model discloses an on first connector 1 (female seat), will again the utility model discloses a second connector 2 (public head) cartridge is to pulling out binding post by measurement and control system female seat 8 on, then will the utility model discloses a detection terminal 3 with detection device be connected can, as shown in fig. 1 and fig. 2, very simple.

Signals needing interaction between the measured controller and the detection device are transmitted through the detection terminal 3 and the second connector 2 which are connected on the interface matching printed circuit board PCB, and signals needing no interaction are directly transmitted to the measured controller through the first connector 1 and the second connector 2 which are connected on the interface matching printed circuit board PCB.

And after the connection is finished, testing the tuning function of the arc suppression coil controller by adopting a conventional detection method.

After detecting and accomplishing, will the utility model discloses a second connector 2 is pulled out from being observed and controlled female seat of controller 8, again with binding post 7 direct mount by being observed and controlled female seat of controller 8 can.

Claims

1. The utility model provides an arc suppression coil controller tuning function test equipment interface adapter which characterized in that: the device comprises a shell (5), wherein an interface matching Printed Circuit Board (PCB) (4) is fixedly installed in the shell, a first connector (1), a second connector (2) and a detection terminal (3) are welded on the interface matching Printed Circuit Board (PCB), a connecting wire between the first connector (1) and the second connector (2) transmits a signal which does not need to be interacted between a detection device and a measured controller, and a connecting wire between the detection terminal (3) and the second connector (2) transmits a signal which needs to be interacted between the measured controller and the detection device; the first connector (1), the second connector (2) and the detection terminal (3) are clamped at the opening of the shell.

2. An arc suppression coil controller tuning function test equipment interface adapter as claimed in claim 1, wherein: the detection terminal (3) is connected with a detection device; the first connector (1) is connected with a connecting terminal (7) which is pulled down by the measured controller, and the second connector (2) is inserted on a measured controller female seat (8) which is pulled down by the connecting terminal.