CN109901090B - Measurement and control equipment of transformer substation - Google Patents

Abstract

The invention discloses a measurement and control device of a substation. Among them, the measurement and control equipment of the substation includes: the remote control terminal of the measurement and control screen, which is used for traditional verification of the upgraded monitoring equipment and the telecontrol equipment, wherein the upgraded monitoring equipment and the telecontrol equipment are equipment used in conjunction with the substation. The remote control terminal of the measurement and control screen includes: a disconnectable terminal block and a test jack; an indicator light, which is connected to the remote control terminal of the measurement and control screen, and sends a predetermined signal when the remote control contact inside the remote control terminal of the measurement and control screen is turned on, wherein the predetermined signal is used for Indicates monitoring status. The invention solves the technical problem of low security in the way of monitoring the remote control outlet of the substation system in the related art.

Description

Substation measurement and control equipment

technical field

The invention relates to the technical field of measurement and control, in particular to a measurement and control device of a substation.

Background technique

At present, some substations need to upgrade and replace the monitoring system background and remote control devices due to the operating years, some existing operating equipment functions cannot meet the new technical standards, and the replacement of manufacturers' products causes insufficient spare parts. After the equipment is upgraded, it is necessary to edit and verify the transmission of the telecontrol forwarding library, monitoring background data and graphics respectively.

According to the existing technical solutions and the manufacturer's equipment functions, after reconfiguring the database, in the process of remote control function verification, it is necessary to disconnect the disconnectable terminals of the remote control circuit, and verify the remote control by measuring the continuity of the remote control contacts on the inside of the disconnected terminal block. Correctness of configuration.

Due to the use of the external meter's conduction gear for measurement, if the on-site personnel make mistakes and measure on the outside of the disconnected terminal block, a malfunction of the equipment will occur, resulting in a power grid accident. Moreover, the existing sound alarm method after switching on is prone to misjudgment in a noisy scene.

In view of the problem of low security in the method of monitoring the remote control outlet of the substation system in the above-mentioned related art, no effective solution has been proposed yet.

SUMMARY OF THE INVENTION

The embodiment of the present invention provides a measurement and control device for a substation, which at least solves the technical problem of low security in the related art in the way of monitoring the remote control outlet of the substation system.

According to an aspect of the embodiments of the present invention, a measurement and control device of a substation is provided, including: a remote control terminal of a measurement and control screen, used for traditional verification of the upgraded monitoring device and the remote control device, wherein the upgraded monitoring device The equipment and remote control equipment are equipment used in conjunction with the substation. The remote control terminal of the measurement and control screen includes: a disconnectable terminal block and a test jack; an indicator light, which is connected to the remote control terminal of the measurement and control screen, and is located inside the remote control terminal of the measurement and control screen. When the remote control contact is turned on, a predetermined signal is sent, wherein the predetermined signal is used to indicate the monitoring state.

Optionally, the test jacks are located on both sides of the disconnectable terminal block, respectively.

Optionally, the remote control terminal of the measurement and control screen includes multiple groups of remote control components, wherein the multiple groups of remote control components are evenly divided into two groups and arranged on both sides of the remote control terminal of the measurement and control screen. Each group of remote control components includes: positive pole, closing circuit and opening circuit.

Optionally, a separator is provided between the positive electrode of each remote control assembly in the multiple groups of remote control assemblies and the opening circuit or the closing circuit.

Optionally, the measurement and control equipment of the substation further includes: a test pin used in cooperation with the test socket, wherein the material of the test pin is copper.

Optionally, the measurement and control equipment of the substation further includes: a battery box, wherein a battery is arranged inside the battery box, and the battery is a button battery.

Optionally, the measurement and control equipment of the substation further includes: a diode, wherein the anode of the diode is connected to the anode of the battery, and the cathode is connected to the remote connection node and the remote separation node of the measurement and control device.

Optionally, the reverse withstand voltage of the diode is greater than 500V.

Optionally, the indicator light includes: a first indicator light and a second indicator light, wherein one end of the first indicator light is connected to the negative electrode of the battery, and the other end is connected to the remote connection point; the One end of the second indicator light is connected to the negative electrode of the battery, and the other end is connected to the remote tap.

Optionally, the length of the test pin is 8mm.

In the embodiment of the present invention, the remote control terminal of the measurement and control screen is used to perform traditional verification on the upgraded monitoring equipment and the remote control equipment, wherein the upgraded monitoring equipment and the remote control equipment are equipment used in cooperation with the substation, and the remote control terminal of the measurement and control screen is used for traditional verification. Including: disconnectable terminal block and test jack; and use the indicator light connected to the remote control terminal of the measurement and control screen to send out a predetermined signal when the remote control contact inside the remote control terminal of the measurement and control screen is turned on, wherein the predetermined signal is used to indicate the monitoring state . In the embodiment of the present invention, the voice signal prompt when the measurement remote control contact in the existing measurement and control equipment is turned on is converted into a light source prompt, so that the display is more intuitive, and the verification state can be observed intuitively even in a noisy site, which improves the The reliability of verifying the upgraded state of the monitoring equipment of the substation and the remote control equipment is improved, thereby solving the technical problem of low security in the method of monitoring the remote control outlet of the substation system in the related art.

Description of drawings

The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

1 is a schematic diagram of a measurement and control device of a substation according to an embodiment of the present invention;

2 is a schematic diagram of the arrangement of remote control terminals of a measurement and control screen of a substation according to an embodiment of the present invention;

3 is a structural diagram of an electrical circuit of a measurement and control device of a substation according to an embodiment of the present invention.

Detailed ways

In order to make those skilled in the art better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Embodiments are part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that the terms "first", "second" and the like in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used may be interchanged under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having" and any variations thereof, are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those expressly listed Rather, those steps or units may include other steps or units not expressly listed or inherent to these processes, methods, products or devices.

According to an aspect of the embodiment of the present invention, a measurement and control device of a substation is provided. FIG. 1 is a schematic diagram of the measurement and control device of a substation according to an embodiment of the present invention. As shown in FIG. 1 , the measurement and control device 10 of the substation includes: a measurement and control screen The remote control terminal 11 is used for traditional verification of the upgraded monitoring equipment and remote control equipment, wherein the upgraded monitoring equipment and remote control equipment are equipment used in conjunction with the substation, and the remote control terminals of the measurement and control screen include: a disconnectable terminal block And the test jack; the indicator light 13 is connected to the remote control terminal 11 of the measurement and control screen, and when the remote control contact inside the remote control terminal of the measurement and control screen is turned on, a predetermined signal is sent, wherein the predetermined signal is used to indicate the monitoring state. In the embodiment of the present invention, the voice signal prompt when the measurement remote control contact in the existing measurement and control equipment is turned on is converted into a light source prompt, so that the display is more intuitive, and the verification state can be observed intuitively even in a noisy site, which improves the The reliability of verifying the upgraded state of the monitoring equipment of the substation and the remote control equipment is improved, thereby solving the technical problem of low security in the method of monitoring the remote control outlet of the substation system in the related art.

As an optional embodiment, the test jacks are respectively located on both sides of the disconnectable terminal block.

Preferably, the remote control terminal of the measurement and control screen includes multiple sets of remote control components, wherein the multiple sets of remote control components are evenly divided into two groups and arranged on both sides of the remote control terminal of the measurement and control screen, and each remote control component of the multiple sets of remote control components includes: , closing circuit and opening circuit.

Fig. 2 is a schematic diagram of the arrangement of remote control terminals of a monitoring and control screen of a substation according to an embodiment of the present invention. As shown in Fig. 2, test jacks are provided on both sides of the breakable terminal block, and three groups are evenly distributed on the inner side of the breakable terminal block. Remote control components, namely, the first group of remote control components, the second group of remote control components and the third group of remote control components; there are also three groups of remote control components evenly distributed on the outside of the disconnectable terminal block, that is, the first group of remote control components, the second group of remote control components components and a third group of remote control components. Each group of remote control components is composed of a positive pole, a closing circuit and an opening circuit.

As an optional embodiment, a separator is provided between the positive electrode of each remote control assembly in the multiple groups of remote control assemblies and the opening circuit or the closing circuit. Short circuit can be prevented by this partition, causing the equipment not to move.

In addition, the length along the breakable terminal block should be able to span four gears. At the same time, the corresponding second gear position is a pinless insulation module, and the first, third and fourth groups corresponding to each group of remote control components have The pins can be inserted into the test sockets inside the terminal block. That is, the test jacks on the remote control terminals of the measurement and control screen correspond to the remote control components respectively, each four test jacks corresponds to a group of remote control components, and each group of remote control components corresponds to four test jacks respectively, wherein, in the remote control components The positive pole corresponds to the first jack of the four test jacks, the second jack is set as a pinless insulation module, the third jack corresponds to the closing circuit in the remote control assembly, and the fourth jack corresponds to the opening circuit in the remote control assembly .

It should be noted that, in order to prevent the primary equipment from malfunctioning when the test pins are inserted into the test jacks outside the breakable terminal block, a reverse check circuit can be designed in the measurement and control equipment.

As an optional embodiment, the measurement and control equipment of the substation further includes: a test pin used in cooperation with the test jack, wherein the material of the test pin is copper.

Preferably, the measurement and control equipment of the substation further comprises: a battery box, wherein a battery is arranged inside the battery box, and the battery is a button battery.

As an optional embodiment, the measurement and control device of the substation further includes: a diode, wherein the anode of the diode is connected to the anode of the battery, and the cathode is connected to the remote connection node and the remote separation node of the measurement and control device.

Preferably, the reverse withstand voltage of the diode is greater than 500V.

As an optional embodiment, the indicator light includes: a first indicator light and a second indicator light, wherein one end of the first indicator light is connected to the negative electrode of the battery, and the other end is connected to the remote connection point; One end is connected to the negative pole of the battery, and the other end is connected to the remote tap.

Optionally, the length of the trial pins is 8mm.

3 is a structural diagram of an electrical circuit of the measurement and control equipment of a substation according to an embodiment of the present invention. As shown in FIG. 3 , the left side of the dashed line is the electrical circuit of the measurement and control equipment of the substation, and the right side of the dashed line shows the electric circuit of the measurement and control equipment of the substation. Internal remote control circuit electrical circuit diagram. As shown in FIG. 3 , a battery is included, the battery is a 3V button battery, the positive electrode of the battery is connected to the positive electrode of the diode, and the negative electrode is connected to one end of the first indicator light and the second indicator light. The cathode of the diode is connected to the remote connection point of the measurement and control equipment and the remote tap point of the measurement and control equipment. In addition, the other ends of the first indicator light and the second indicator light are connected to the remote connection point and the remote tap point.

It should be noted that the outer layer of the measurement and control equipment of the substation is made of insulating and corrosion-resistant hard plastic material, and the inner wire is made of 0.8mm flexible wire.

The measurement and control equipment of the substation provided by the embodiment of the present invention can reduce the occurrence probability of power grid accident caused by personnel misoperation, and can solve the occurrence of noise field misjudgment. The prompt is more intuitive, the operation is simpler, and the verification efficiency is improved. Specifically, the light display is used instead of the sound display, which is more accurate and adaptable in the field of noise; the reverse check is realized by the diode, even in the case of the inside and outside of the error, it will not cause a short circuit in the circuit and prevent misoperation.

The above-mentioned serial numbers of the embodiments of the present invention are only for description, and do not represent the advantages or disadvantages of the embodiments.

In the above-mentioned embodiments of the present invention, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

In the several embodiments provided in this application, it should be understood that the disclosed technical content can be implemented in other ways. The device embodiments described above are only illustrative, for example, the division of the units may be a logical function division, and there may be other division methods in actual implementation, for example, multiple units or components may be combined or Integration into another system, or some features can be ignored, or not implemented. On the other hand, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of units or modules, and may be in electrical or other forms.

The units described as separate components may or may not be physically separated, and components shown as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit. The above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units.

The integrated unit, if implemented in the form of a software functional unit and sold or used as an independent product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention is essentially or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present invention. The aforementioned storage medium includes: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk and other media that can store program codes .

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, several improvements and modifications can be made. It should be regarded as the protection scope of the present invention.

Claims (6)

1. the measurement and control equipment of a substation, is characterized in that, comprises: The remote control terminal of the measurement and control screen is used for traditional verification of the upgraded monitoring equipment and the remote control equipment, wherein the upgraded monitoring equipment and the remote control equipment are equipment used in cooperation with the substation, and the remote control terminal of the measurement and control screen includes: : Breakable terminal block and test jack; an indicator light, which is connected to the remote control terminal of the measurement and control screen, and sends a predetermined signal when the remote control contact inside the remote control terminal of the measurement and control screen is turned on, wherein the predetermined signal is used to indicate the monitoring state; Wherein, the remote control terminal of the measurement and control screen includes multiple sets of remote control components, wherein the multiple sets of remote control components are evenly divided into two groups and arranged on both sides of the remote control terminal of the measurement and control screen, each of the multiple sets of remote control components The group remote control components include: positive pole, closing circuit and opening circuit; Wherein, a separator is provided between the positive pole of each remote control component in the multiple sets of remote control components and the opening circuit or the closing circuit; Wherein, the measurement and control equipment of the substation further includes: a battery box, wherein a battery is arranged inside the battery box, and the battery is a button battery; It also includes: a diode, wherein the anode of the diode is connected to the anode of the battery, and the cathode is connected to the remote connection node and the remote separation node of the measurement and control device. 2 . The measurement and control device according to claim 1 , wherein the test jacks are located on both sides of the disconnectable terminal block, respectively. 3 . 3 . The measurement and control device according to claim 1 , further comprising: a test pin used in cooperation with the test socket, wherein the material of the test pin is copper. 4 . 4 . The measurement and control device according to claim 1 , wherein the reverse withstand voltage of the diode is greater than 500V. 5 . 5. The measurement and control device according to claim 1, wherein the indicator light comprises: a first indicator light and a second indicator light, wherein one end of the first indicator light is connected to the negative electrode of the battery, The other end is connected with the remote connection point; one end of the second indicator light is connected with the negative electrode of the battery, and the other end is connected with the remote tap point. 6 . The measurement and control device according to claim 3 , wherein the length of the test pin is 8 mm. 7 .

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