Multifunctional signal acquisition and conversion device
By designing a multi-functional signal acquisition and conversion device, the problem of inconsistent testing devices in feeder terminal unit (FTU) testing was solved, enabling compatible testing of electronic and digital FTUs, and improving testing efficiency and power grid reliability.
Patent Information
- Application Number
- CN202522027184.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-22
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2035-09-22
AI Technical Summary
In the existing technology, there is a lack of unified testing equipment for both electronic and digital feeder terminal units (FTUs), which leads to the need to frequently change testing equipment during field testing, which is time-consuming and labor-intensive.
Design a multifunctional signal acquisition and conversion device, including digital and electronic remote signaling areas, equipped with a digital conversion unit and precision voltage and current transformers, to realize signal acquisition and conversion, and compatible with the testing of electronic and digital feeder terminals (FTUs).
It simplifies the on-site testing process, reduces the time and manpower costs of replacing testing equipment, improves testing efficiency, and supports the construction of new power systems and the reliability of power grid supply.
Smart Images
Figure CN223551777U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of FTU testing fixture technology, and in particular to a multifunctional signal acquisition and conversion device. Background Technology
[0002] FTU is a switch monitoring device installed next to the feeder switch, which refers to outdoor pole-mounted switches such as circuit breakers, load switches, and sectionalizing switches on 10kV lines. The feeder terminal is abbreviated as FTU. It has remote control, remote signaling, and fault detection functions, and communicates with the distribution automation master station to provide the operating status and various parameters of the distribution system, i.e., the information required for monitoring and control, including switch status, power parameters, phase-to-phase faults, ground faults, and parameters during faults. It also executes commands issued by the distribution master station to adjust and control the distribution equipment, and realizes the functions of fault location, fault isolation, and rapid restoration of power supply to non-faulty areas.
[0003] Due to the large variety of manufacturers and the large quantity of products produced by feeder terminal units (FTUs), the daily testing of feeder terminal units is time-consuming. Consequently, the following problems exist in the testing process: there is a lack of unified testing equipment for electronic and digital feeder terminals; frequent changes of testing equipment are required when testing electronic and digital feeder terminals in the field, resulting in time-consuming and labor-intensive changes to testing fixtures. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a multifunctional signal acquisition and conversion device.
[0005] The present invention adopts the following technical solution:
[0006] A multifunctional signal acquisition and conversion device includes: an upper cover, a lower shell, and an inner mounting plate;
[0007] The upper cover is detachably located on the top of the lower shell;
[0008] The top of the cover is provided with a digital remote signaling area and an electronic remote signaling area. Each of the digital remote signaling area and the electronic remote signaling area is provided with several terminal blocks that can be connected to the test platform.
[0009] The lower shell is equipped with an inner lining mounting plate, and the inner lining mounting plate is equipped with a digital conversion unit and a voltage and current precision transformer.
[0010] The terminal block of the digital remote signaling area is connected to the digital conversion unit, the digital conversion unit is connected to the first 10-pin aviation socket, and the first 10-pin aviation socket is connected to the digital test feeder terminal (FTU) via an aviation connector.
[0011] The terminal block of the electronic remote signaling area is connected to the voltage and current precision transformer, which is connected to the second 10-pin and 14-pin navigation sockets. The second 10-pin and 14-pin navigation sockets are connected to the electronic test feeder terminal (FTU) via navigation cables.
[0012] According to the multi-functional signal acquisition and conversion device, four aviation socket holes are opened on one side wall of the lower shell, and the second 10-pin aviation socket, 14-pin aviation socket, 6-pin aviation socket and the first 10-pin aviation socket are inserted into their corresponding aviation socket holes.
[0013] According to the multifunctional signal acquisition and conversion device, each of the aviation socket holes has several fixing holes on its outer circumferential direction.
[0014] According to the aforementioned multi-functional signal acquisition and conversion device, the digital remote signaling area is equipped with a digital combined terminal block, a digital separated terminal block, a digital unstored energy terminal block, a digital low-pressure terminal block, a digital first remote signaling common terminal block, and a digital second remote signaling common terminal block.
[0015] According to the aforementioned multifunctional signal acquisition and conversion device, the electronic remote signaling area is equipped with an electronic sync terminal block, an electronic sync terminal block, an electronic non-energy-storage terminal block, an electronic low-pressure terminal block, an electronic first remote signaling common terminal block, and an electronic second remote signaling common terminal block.
[0016] According to the aforementioned multifunctional signal acquisition and conversion device, the inner lining mounting plate is provided with equally spaced mounting holes.
[0017] According to the multi-functional signal acquisition and conversion device, the top of the cover is also provided with a telemetry area, a remote control area and a power supply area, and each of the areas is provided with several terminal blocks.
[0018] According to the aforementioned multifunctional signal acquisition and conversion device, the telemetry area is equipped with voltage terminal blocks and current terminal blocks.
[0019] According to the aforementioned multi-functional signal acquisition and conversion device, the remote control area is provided with a closing terminal block, a closing terminal block, an energy storage terminal block, and a remote control common terminal block.
[0020] According to the aforementioned multi-functional signal acquisition and conversion device, the power supply area is provided with a power supply side terminal block, a load side terminal block, and an N-terminal block.
[0021] Compared with the prior art, the beneficial effects of this utility model include at least the following:
[0022] 1. This utility model, by setting up terminal blocks for digital remote signaling areas, terminal blocks for electronic remote signaling areas, a digital conversion unit, a voltage and current precision transformer, a first 10-pin navigation socket, a 14-pin navigation socket, and a second 10-pin navigation socket; the terminal blocks for digital and electronic remote signaling areas can be connected to a test platform; the second 10-pin navigation socket is connected to a digital feeder terminal under test (FTU) via a navigation cable; and the first 10-pin and 14-pin navigation sockets are connected to an electronic feeder terminal under test (FTU) via navigation cables. This not only enables signal acquisition and conversion between electronic and digital feeder terminal FTUs and the test platform, but also supports functional testing of both electronic and digital feeder terminal FTUs. When testing electronic and digital feeder terminals on-site, frequent replacement of test equipment is unnecessary, greatly reducing the time and labor costs of changing test fixtures, improving the efficiency of on-site testing of electronic and digital feeder terminal FTUs, and further supporting the construction of new power systems and the improvement of power grid reliability.
[0023] 2. The conversion device of this utility model is small in size, low in cost, and easy to carry.
[0024] 3. When testing electronic and digital feeder terminals in the field, this utility model only requires connecting the corresponding lines, making it simple, convenient, flexible, and highly versatile. Attached Figure Description
[0025] Figure 1 This is a side view of the conversion device of this utility model;
[0026] Figure 2 This is a top view of the conversion device of this utility model;
[0027] Figure 3 The explosion of the conversion device of this utility model Figure 1 ;
[0028] Figure 4 The explosion of the conversion device of this utility model Figure 2 ;
[0029] Figure 5 This is a schematic diagram of the inner lining mounting plate of this utility model;
[0030] In the diagram: 1. Top cover; 2. Bottom shell; 3. Second 10-pin aviation socket; 4. 14-pin aviation socket; 5. 6-pin aviation socket; 6. First 10-pin aviation socket; 7. Terminal block; 8. Digital conversion unit; 9. Voltage and current precision transformer; 10. Inner mounting plate; 11. Aviation socket hole; 12. Fixing hole. Detailed Implementation
[0031] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. The embodiments described in this application are merely some embodiments of this utility model, and not all embodiments. Based on the spirit of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0032] In the description of this utility model, it should be noted that the terms "front," "rear," "inner," "outer," "right," "left," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0034] like Figure 1-5 As shown, this utility model provides a multifunctional signal acquisition and conversion device, including: an upper cover 1, a lower shell 2, a second 10-pin navigation socket 3, a 14-pin navigation socket 4, a 6-pin navigation socket 5, a first 10-pin navigation socket 6, a terminal block 7, a digital conversion unit 8, a voltage and current precision transformer 9, and an inner lining mounting plate 10.
[0035] The upper cover 1 is detachably located on the top of the lower shell 2. The upper cover 1 and the lower shell 2 are used to support the overall core assembly and stably install other components into it.
[0036] The top of the upper cover 1 is provided with a digital remote signaling area and an electronic remote signaling area. Each of the digital remote signaling area and the electronic remote signaling area is provided with several terminal blocks 7 that can be connected to the test platform for inputting electromagnetic signals from the test platform.
[0037] When the feeder terminal unit under test (FTU) is a digital feeder terminal unit under test (FTU), it is connected to the test platform through the terminal block of the digital remote signaling area.
[0038] When the feeder terminal unit under test (FTU) is an electronic feeder terminal unit, it is connected to the test platform through the terminal block in the electronic remote signaling area.
[0039] The lower shell 2 is provided with an inner lining mounting plate 10, on which a digital conversion unit 8 and several voltage and current precision transformers 9 are provided.
[0040] The digital conversion unit 8 is used to convert the electromagnetic signals of the test platform into digital signals, and the voltage and current precision transformer 9 is used to convert the electromagnetic signals of the test platform into small analog signals.
[0041] The terminal block of the digital remote signaling area is connected to the digital conversion unit 8, the digital conversion unit 8 is connected to the first 10-pin aviation socket 6, and the first 10-pin aviation socket 6 is connected to the digital under test feeder terminal FTU through the aviation cable to realize the acquisition and conversion of digital signals.
[0042] The terminal block of the electronic remote signaling area is connected to the voltage and current precision transformer 9. The voltage and current precision transformer 9 is connected to the second 10-pin navigation socket 3 and the 14-pin navigation socket 4. The second 10-pin navigation socket 3 and the 14-pin navigation socket 4 are connected to the electronic tested feeder terminal FTU through the navigation cable to realize the acquisition and conversion of electronic signals.
[0043] This invention features a digital remote signaling area terminal block, an electronic remote signaling area terminal block, a digital conversion unit 8, a voltage and current precision transformer 9, a second 10-pin navigation socket 3, a 14-pin navigation socket 4, and a first 10-pin navigation socket 6. The digital and electronic remote signaling area terminal blocks can be connected to a test platform. The first 10-pin navigation socket 6 is connected to the digital feeder terminal under test (FTU) via a navigation cable, while the second 10-pin and 14-pin navigation sockets are connected to the electronic feeder terminal under test (FTU) via navigation cables. This not only enables signal acquisition and transfer between the electronic and digital feeder terminal FTUs and the test platform but also supports functional testing of both electronic and digital feeder terminal FTUs. When testing electronic and digital feeder terminals on-site, frequent changes to test equipment are unnecessary, significantly reducing the time and labor costs associated with changing test fixtures, improving the efficiency of on-site testing of electronic and digital feeder terminal FTUs, and further supporting the construction of new power systems and the improvement of power grid reliability.
[0044] In one embodiment, the lower shell 2 and the upper cover 1 are connected by bolts; in another embodiment, the lower shell 2 and the upper cover 1 are connected by screws.
[0045] Preferably, but not limitingly, four navigation socket holes 11 are provided on one side wall of the lower shell 2, and the second 10-pin navigation socket 3, the 14-pin navigation socket 4, the 6-pin navigation socket 5 and the first 10-pin navigation socket 6 are inserted into their corresponding navigation socket holes 11.
[0046] Preferably, but not limitingly, each aviation socket hole 11 has a plurality of fixing holes 12 on its outer circumferential direction, and the aviation socket is fixed in the aviation socket hole 11 by means of fasteners and fixing holes 12.
[0047] In one embodiment, such as Figure 3 As shown, each socket hole 11 has three fixing holes 12 on its outer circumferential direction.
[0048] Preferably, but not limitingly, the digital remote signaling area is provided with a digital connection terminal block, a digital separation terminal block, a digital non-energy storage terminal block, a digital low-pressure terminal block, a digital first remote signaling common terminal block, and a digital second remote signaling common terminal block.
[0049] Preferably, but not limitingly, the electronic remote signaling area is provided with an electronic closing terminal block, an electronic opening terminal block, an electronic non-energy-storage terminal block, an electronic low-pressure terminal block, an electronic first remote signaling common terminal block, and an electronic second remote signaling common terminal block.
[0050] Preferred, but not limiting, such as Figure 5 As shown, the inner lining mounting plate 10 is provided with equally spaced mounting holes to facilitate the installation of electrical components of different installation sizes.
[0051] Preferably, but not restrictively, the 6-pin connector 5 is connected to a power source.
[0052] Preferred, but not limiting, such as Figure 2 As shown, the top of the upper cover 1 is also provided with a telemetry area, a remote control area and a power supply area, and each of the areas is provided with several terminal blocks 7.
[0053] Preferably, but not limitingly, the telemetry area is provided with voltage terminal blocks and current terminal blocks.
[0054] Further preferred, but not limiting, is that the voltage terminal blocks of the telemetry area include: UA terminal block, UB terminal block, UC terminal block, U0 terminal block and Ucom terminal block.
[0055] Further preferred, but not limiting, is that the current terminal blocks in the telemetry area include: IA terminal blocks, IB terminal blocks, IC terminal blocks, I0 terminal blocks, and Icom terminal blocks.
[0056] The Ucom terminal block and Icom are male terminal blocks.
[0057] Preferably, but not limitingly, the remote control area is provided with a closing terminal block, a closing terminal block, an energy storage terminal block, and a remote control common terminal block.
[0058] Preferably, but not limitingly, the power supply area is provided with a power supply side terminal block, a load side terminal block and an N terminal block.
[0059] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although the utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that modifications or equivalent substitutions can still be made to the specific implementation of this utility model. Any modifications or equivalent substitutions that do not depart from the spirit and scope of this utility model should be covered within the protection scope of the claims of this utility model.
Claims
1. A multifunctional signal acquisition and conversion device, characterized in that, include: Upper cover (1), lower shell (2) and inner lining mounting plate (10); The upper cover (1) is detachably located on the top of the lower shell (2); The top of the cover (1) is provided with a digital remote signaling area and an electronic remote signaling area. Both the digital remote signaling area and the electronic remote signaling area are provided with several terminal blocks (7) that can be connected to the test platform. The lower shell (2) is provided with an inner lining mounting plate (10), and the inner lining mounting plate (10) is provided with a digital conversion unit (8) and a voltage and current precision transformer (9). The terminal block of the digital remote signaling area is connected to the digital conversion unit (8), the digital conversion unit (8) is connected to the first 10-pin aviation socket (6), and the first 10-pin aviation socket (6) is connected to the digital test feeder terminal FTU through the aviation connector. The terminal block of the electronic remote signaling area is connected to the voltage and current precision transformer (9), the voltage and current precision transformer (9) is connected to the second 10-core aviation socket (3) and the 14-core aviation socket (4), and the second 10-core aviation socket (3) and the 14-core aviation socket (4) are connected to the electronic test feeder terminal FTU through aviation connectors.
2. The multifunctional signal acquisition and conversion device according to claim 1, characterized in that: The lower shell (2) has four navigation socket holes (11) on one side wall. The second 10-pin navigation socket (3), the 14-pin navigation socket (4), the 6-pin navigation socket (5) and the first 10-pin navigation socket (6) are inserted into their corresponding navigation socket holes (11).
3. The multifunctional signal acquisition and conversion device according to claim 2, characterized in that: Each of the aforementioned socket holes (11) has several fixing holes (12) on its outer circumferential direction.
4. The multifunctional signal acquisition and conversion device according to claim 1, characterized in that: The digital remote signaling area is equipped with a digital connection terminal block, a digital separation terminal block, a digital non-energy storage terminal block, a digital low-pressure terminal block, a digital first remote signaling common terminal block, and a digital second remote signaling common terminal block.
5. The multifunctional signal acquisition and conversion device according to claim 1, characterized in that: The electronic remote signaling area is equipped with an electronic position terminal block, an electronic position terminal block, an electronic non-energy-storage terminal block, an electronic low-pressure terminal block, an electronic first remote signaling common terminal block, and an electronic second remote signaling common terminal block.
6. The multifunctional signal acquisition and conversion device according to claim 1, characterized in that: The inner lining mounting plate (10) is provided with equally spaced mounting holes.
7. The multifunctional signal acquisition and conversion device according to claim 1, characterized in that: The top of the cover (1) is also provided with a telemetry area, a remote control area and a power supply area, and each of the areas is provided with several terminal blocks (7).
8. The multifunctional signal acquisition and conversion device according to claim 7, characterized in that: The telemetry area is equipped with voltage terminal blocks and current terminal blocks.
9. The multifunctional signal acquisition and conversion device according to claim 7, characterized in that: The remote control area is equipped with a closing terminal block, a closing terminal block, an energy storage terminal block, and a remote control common terminal block.
10. The multifunctional signal acquisition and conversion device according to claim 7, characterized in that: The power supply area is equipped with a power supply side terminal block, a load side terminal block, and an N terminal block.