CN219179457U - Plug-and-play wiring device applied to high-low voltage ride through test of new energy station - Google Patents
Plug-and-play wiring device applied to high-low voltage ride through test of new energy station Download PDFInfo
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- CN219179457U CN219179457U CN202223524148.4U CN202223524148U CN219179457U CN 219179457 U CN219179457 U CN 219179457U CN 202223524148 U CN202223524148 U CN 202223524148U CN 219179457 U CN219179457 U CN 219179457U
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Abstract
The utility model belongs to the technical field of new energy stations, and provides a plug-and-play wiring device applied to a high-low voltage ride-through test of a new energy station. The utility model uses the terminal strip and the socket to be respectively connected with the test object and the fault simulation signal generating device, effectively solves the problems caused by the temporary access modes such as clamps or other modes and the like and the fixation by using the insulating tape, is convenient for wiring, is easier to connect equipment, is stable and reliable, and is not easy to fall off.
Description
Technical Field
The utility model belongs to the technical field of new energy stations, and particularly relates to a plug-and-play wiring device applied to a high-low voltage ride through test of a new energy station.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In recent years, the new energy industry in China has a trend of rapid development. The voltage drop or voltage jump is a problem that the power grid is very easy to occur in normal operation, and the new energy grid-connected power station is required to have certain high-low voltage ride through capability. Because the voltage drop of the wind power/photovoltaic grid-connected point caused by power grid faults or disturbance has uncontrollability, in order to develop and test the high and low voltage ride through capability of the wind power/photovoltaic unit, the wind power/photovoltaic unit cannot be directly integrated into a power grid for testing, and the fault simulation signal generating device can be used for manually simulating voltage jump or drop faults of various types and different depths.
The fault simulation signal generating device is a device capable of carrying out high-low voltage ride through test of a new energy station, and in the test process, test wiring is needed to be carried out on the secondary side, and meanwhile, the requirement of field uninterrupted power test is met. However, the existing device wiring mode has some defects, most of the existing device wiring mode is used for compressing copper wires and conductive sheets in a cable through compression bolts in the connection process, so that the cable can be conductive, but as operators operate equipment, the cable is inevitably required to be pulled, and some compression bolts are not compacted in the installation process, so that the contact of a circuit and the device is easy to loosen, poor contact is easy to occur, the occurrence of situations such as power failure is likely to occur, the working efficiency is influenced, even electric sparks, fires and the like can occur when the working efficiency is serious, and the service life of the device is also greatly influenced. And the connection part is disconnected when the test is not finished, and the connection part is re-connected when the test is continued next time, so that time and labor are wasted. Therefore, it is necessary to design a plug-and-play wiring device which is safe to operate and can be quickly connected to a fault analog signal generating device.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides the plug-and-play wiring device applied to the high-low voltage ride through test of the new energy station, which effectively avoids the repeated work of the site, changes the wiring mode and solves the problem of difficult on-site wiring.
To achieve the above object, one or more embodiments of the present utility model provide the following technical solutions:
the utility model provides a plug-and-play wiring device applied to a high-low voltage ride-through test of a new energy station, which comprises a shell, wherein voltage input and output wiring terminals for connecting an original circuit and a tested object are respectively arranged on two sides of the upper surface of the shell, and two rows of voltage input and output sockets for connecting a fault analog signal generating device are arranged in the middle of the upper surface of the shell.
Furthermore, the voltage input and output connecting terminals adopt fence type terminal blocks.
Further, the fence-type terminal block comprises four wiring ports UA, UB, UC and UN.
Further, the original line and four lines UA, UB, UC and UN of the object to be tested are respectively connected to corresponding types of connection ports of the barrier terminal strip.
Further, the voltage input and output sockets are 4mm banana sockets.
Further, the voltage input and output sockets include UA, UB, UC and UN outlets.
Further, the voltage input and voltage output lines of the fault analog signal generating device are respectively connected with corresponding types of wiring sockets of the voltage input and output sockets.
Furthermore, the fault analog signal generating device is connected with the voltage input and output socket by adopting a standard 4mm banana plug test wire.
Further, a signal indicator light for displaying whether voltage is input or output is arranged on the upper surface of the shell.
Further, a magnetic element for adsorbing the shell on the switch cabinet is arranged on the lower surface of the shell.
The one or more of the above technical solutions have the following beneficial effects:
(1) The utility model uses the fence type terminal strip and the 4mm banana socket to be respectively connected with the test object and the fault analog signal generating device, effectively solves the problems caused by the temporary access modes such as clips or other modes and the like and the fixation by using the insulating tape, is convenient for wiring, is easier for connecting equipment, is stable and reliable, and is not easy to fall off.
(2) The utility model can be used by plug and play, does not change the wiring mode and the original connection structure.
(3) The utility model solves the wiring problem of the back-and-forth switching test, the connection mode of the utility model can be directly accessed, if the test is not completed in the same day, the short circuit UA, UB, UC, UN can always keep a non-test state, and the utility model is convenient for the field secondary test and the recovery field.
Additional aspects of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
Fig. 1 is a block diagram of a plug-and-play wiring device applied to a high-low voltage ride through test of a new energy station according to embodiment 1.
Fig. 2 is a wiring diagram of a plug-and-play wiring device applied to a high-low voltage ride through test of a new energy station in embodiment 1.
In the figure, 1, a shell, 2, voltage input and output wiring terminals, 3, voltage input and output sockets, 4 and a signal indicator lamp.
Detailed Description
The disclosure is further described below with reference to the drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
Example 1
As shown in fig. 1, the utility model provides a plug-and-play wiring device applied to a high-low voltage ride through test of a new energy station, which comprises a shell 1, a voltage input and output wiring terminal 2, a voltage input and output socket 3, a signal indicator lamp 4 and a magnet. The voltage input and output sockets 3 are arranged above the shell 1 in two rows, the voltage input and output wiring terminals 2 are respectively arranged at the left side and the right side of the shell, and the magnet is arranged under the shell.
The base material of the shell is an insulating material, and the shell has high mechanical strength, high mechanical impact resistance, high-low temperature impact resistance, difficult cracking, flame retardance, high electrical properties such as insulating strength, high compressive strength and the like.
The voltage input and output connecting terminal 2 is used for connecting an original line and a tested object, and the voltage input and output connecting terminal 2 is a fence type terminal strip. The voltage input and output socket 3 is used for connecting a fault analog signal generating device, and the socket is a 4mm banana socket. The signal indicator lamp 4 is used for displaying whether voltage is input or output, and the normal input or output indicator lamp is lightened, otherwise, the normal input or output indicator lamp is not lightened. Considering that the device is not easy to fix when the high-low voltage ride through test is carried out, the device is adsorbed into the switch cabinet by using the magnet.
As shown in FIG. 2, the device of the present utility model is mainly divided into a test state and a non-test state.
In the test state, the wiring device is required to be connected between the test object and the signal input and output.
Firstly, determining the position of a terminal strip of a test object, and disconnecting the original voltage input and output of the test object; then the electric wires which are originally connected with the input terminal of the test object are connected with the voltage input connecting terminal 2 of the wiring device, namely, the UA, UB, UC, UN four electric wires of the original signal are respectively connected with the UA, UB, UC, UN positions in the voltage input fence type terminal row of the wiring device, and the electric wires are fixed by screws.
The 4mm banana socket is used for connecting with a fault simulation signal generating device. And the corresponding relation between UA, UB, UC, UN of the banana socket with the voltage input end of 4mm and UA, UB, UC, UN of the voltage input of the fault analog signal generating device is clarified, and the banana socket with the voltage input end of 4mm is connected by adopting a standard banana socket test line. UA, UB, UC, UN of the voltage output of the fault analog signal generating device is correspondingly connected with UA, UB, UC, UN of the 4mm banana socket at the voltage output end of the utility model by using a standard 4mm banana socket test wire.
Finally, UA, UB, UC, UN in the voltage output fence type terminal row of the utility model is connected with UA, UB, UC, UN of the output terminal of the tested object by using an electric wire and is fixed by using a screw.
When the test is carried out on site, the situation that the measurement of all working conditions cannot be realized by one test can occur, and in order to facilitate the secondary test, only all banana plug wires connected with the fault analog signal generating device are required to be disconnected, and meanwhile, UA, UB, UC, UN of the voltage input and output terminals of the utility model are short-circuited, so that the normal operation of equipment is ensured.
While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.
Claims (10)
1. The plug-and-play wiring device for the high-low voltage ride-through test of the new energy station is characterized by comprising a shell, wherein voltage input and output wiring terminals for connecting an original circuit and a tested object are respectively arranged on two sides of the upper surface of the shell, and two rows of voltage input and output sockets for connecting a fault analog signal generating device are arranged in the middle of the upper surface of the shell.
2. The plug-and-play wiring device for the high-low voltage ride through test of the new energy station according to claim 1, wherein the voltage input and output wiring terminals are fence-type terminal blocks.
3. The plug-and-play wiring device for high-low voltage ride through test of new energy station according to claim 2, wherein the fence-type terminal block comprises four wiring ports UA, UB, UC and UN.
4. The plug-and-play wiring device for the high-low voltage ride through test of the new energy station according to claim 3, wherein the original line and four lines UA, UB, UC and UN of the tested object are respectively connected with corresponding types of wiring ports of the barrier terminal block.
5. The plug-and-play wiring device for the high-low voltage ride through test of the new energy station according to claim 1, wherein the voltage input and output sockets are 4mm banana sockets.
6. The plug-and-play wiring device for high-low voltage ride through test of a new energy station according to claim 5, wherein said voltage input and output sockets comprise UA, UB, UC and UN wiring sockets.
7. The plug-and-play wiring device for high-low voltage ride through test of new energy station according to claim 6, wherein the voltage input and voltage output lines of said fault analog signal generating device are respectively connected with corresponding types of wiring sockets of said voltage input and output sockets.
8. The plug-and-play wiring device for the high-low voltage ride through test of the new energy station according to claim 7, wherein the fault analog signal generating device is connected with the voltage input and output sockets by using a standard 4mm banana plug test line.
9. The plug-and-play wiring device for the high-low voltage ride through test of the new energy station according to claim 1, wherein the upper surface of the housing is provided with a signal indicator lamp for indicating whether voltage is input or output.
10. The plug-and-play wiring device for the high-low voltage ride through test of the new energy station according to claim 1, wherein the lower surface of the housing is provided with a magnetic element for adsorbing the housing on the switch cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223524148.4U CN219179457U (en) | 2022-12-20 | 2022-12-20 | Plug-and-play wiring device applied to high-low voltage ride through test of new energy station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223524148.4U CN219179457U (en) | 2022-12-20 | 2022-12-20 | Plug-and-play wiring device applied to high-low voltage ride through test of new energy station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219179457U true CN219179457U (en) | 2023-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223524148.4U Active CN219179457U (en) | 2022-12-20 | 2022-12-20 | Plug-and-play wiring device applied to high-low voltage ride through test of new energy station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219179457U (en) |
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2022
- 2022-12-20 CN CN202223524148.4U patent/CN219179457U/en active Active
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