Wireless acquisition cooperative control device and wireless synchronous measuring and recording system

Abstract

The utility model discloses a wireless acquisition cooperative control device and a wireless synchronous measuring and recording system, and the device comprises a housing and a switch disposed in the housing. The cooperative control mainboard is arranged in the shell, and the cooperative control mainboard is connected with the switch; the wireless bridge module is arranged in the shell, the wireless bridge module is connected with the switch, and the wireless bridge module is used for being connected with a wireless bridge antenna; the WIFI wireless network module is arranged in the shell, the WIFI wireless network module is connected with a switch, and the WIFI wireless network module is used for being connected with a router antenna; the switch is arranged in the shell, the LORA wireless module is arranged in the shell, the LORA wireless module is connected with the switch, and the LORA wireless module is used for being connected with LORA wireless. By applying the wireless acquisition cooperative control device, the working efficiency of testers can be greatly improved, and meanwhile, the working intensity and technical requirements of the testers are reduced to the minimum.

Description

Technical Field

[0001] This utility model relates to the field of power transmission and transformation technology, specifically to a wireless acquisition and collaborative control device and a wireless synchronous measurement and recording system. Background Technology

[0002] The substation startup and commissioning experiment mainly analyzes and verifies the system overvoltage and inrush current levels, switch performance, etc. by measuring and recording transient current and voltage waveform data, providing relevant reference data for system reliability analysis.

[0003] Existing synchronous measurement and recording systems typically use wired measuring instruments. These instruments need to be connected to the measurement points via cables. Excessive cables increase system complexity, and the work of winding and unwinding cables increases the labor intensity of operators and reduces the overall efficiency of debugging. Utility Model Content

[0004] This utility model aims to solve at least one of the technical problems existing in the prior art, and proposes a wireless acquisition and collaborative control device and a wireless synchronous recording system.

[0005] The technical solution of this utility model is implemented as follows:

[0006] This utility model discloses a wireless data acquisition and collaborative control device, including a housing, and further comprising:

[0007] The switch is located inside the housing;

[0008] A collaborative control motherboard is located inside the housing and is connected to the switch.

[0009] A wireless bridge module is disposed inside the housing. The wireless bridge module is connected to the switch and is used to connect a wireless bridge antenna.

[0010] A Wi-Fi wireless network module is disposed within the housing. The Wi-Fi wireless network module is connected to the switch and is used to connect to the router antenna.

[0011] A LORA wireless module is located inside the housing. The LORA wireless module is connected to the switch and is used to connect to LORA wireless.

[0012] Furthermore, the wireless bridge module is used to provide a 5.8G wireless network; the WIFI wireless network module is used to provide a 2.4G WIFI wireless network; and the LORA wireless module is used to provide a 470M LORA wireless control network.

[0013] Furthermore, it also includes a GPS antenna, which is connected to the collaborative control motherboard.

[0014] Furthermore, it also includes: a bracket disposed within the housing; the collaborative control motherboard, the switch, the wireless bridge module, the WIFI wireless network module, the LORA wireless module, the wireless bridge antenna, the LORA antenna, and the router antenna are respectively fixed on the bracket.

[0015] Furthermore, the support includes:

[0016] The fixed plate has the collaborative control motherboard and the switch fixed on one side; the wireless bridge module, the WIFI wireless network module and the LORA wireless module are fixed on the other side.

[0017] Furthermore, the support also includes:

[0018] A first shielding cover is fixedly mounted on one side of the fixed plate; the first shielding cover covers the collaborative control motherboard and the switch; and

[0019] The second shielding cover is fixedly installed on the other side of the fixed plate; the second shielding cover covers the wireless bridge module, the WIFI wireless network module, and the LORA wireless module;

[0020] The collaborative control motherboard, the switch, the wireless bridge module, the WIFI wireless network module, and the LORA wireless module are located between the first shielding cover and the second shielding cover.

[0021] Furthermore, the router antenna is located at the upper middle part of the bracket;

[0022] There are two GPS antennas, which are fixedly mounted on the upper end of the bracket and located on the two outer sides of the router antenna, respectively.

[0023] There are two LORA antennas, which are fixedly mounted on the upper end of the bracket and located on the outer sides of the two GPS antennas, respectively; and

[0024] There are two wireless bridge antennas, which are respectively fixed on the two side walls of the bracket.

[0025] Furthermore, it also includes:

[0026] A network communication interface is provided on the housing, and the network communication interface is used to connect to the switch.

[0027] Furthermore, it also includes:

[0028] A power supply unit is located inside the housing; the power supply unit is used to convert the input voltage to power the entire device.

[0029] A power input port is provided on the housing, and the power input port is used for electrical connection with the input terminal of the power supply unit; and

[0030] An indicator light is provided on the housing and is connected to the collaborative control motherboard. The indicator light is used for electrical connection with the FPGA on the collaborative control motherboard 3.

[0031] In addition, this application also provides a wireless synchronous recording system, comprising:

[0032] Voltage acquisition terminal;

[0033] Current acquisition terminal;

[0034] Host; and

[0035] The wireless acquisition and collaborative control device described above; the wireless acquisition and collaborative control device communicates wirelessly with the voltage acquisition terminal and the current acquisition terminal;

[0036] The voltage acquisition terminal and the current acquisition terminal communicate wirelessly with the host through the wireless acquisition and coordination control device.

[0037] Compared with the prior art, the present invention has the following beneficial effects:

[0038] The wireless data acquisition and collaborative control device and wireless synchronous measurement and recording system provided by this utility model are a distributed voltage and current acquisition, wireless transmission, centralized storage, and analysis system based on satellite time synchronization. This system is widely used in substation start-up and commissioning tests and post-maintenance performance testing of electrical equipment, enabling rapid setup of on-site test platforms and efficient completion of testing tasks.

[0039] Compared with traditional wired measuring instruments, the wireless acquisition and collaborative control device and wireless synchronous measurement and recording system provided by this utility model have the advantages of not needing to drag cables, high accuracy, convenient use and high efficiency.

[0040] The application of this invention's wireless acquisition and collaborative control device can greatly improve the work efficiency of test personnel, while minimizing their workload and technical requirements. Attached Figure Description

[0041] Figure 1 A schematic diagram of the appearance of a wireless data acquisition and collaborative control device provided in one embodiment of the present utility model;

[0042] Figure 2This is a schematic diagram of one side of the internal structure of a wireless data acquisition and collaborative control device provided in one embodiment of the present invention (without the first shielding cover installed);

[0043] Figure 3 This is a schematic diagram of one side of the internal structure of a wireless data acquisition and collaborative control device provided in one embodiment of the present invention (with the first shielding cover installed);

[0044] Figure 4 A schematic diagram of the other side of the wireless acquisition and collaborative control device provided in one embodiment of the present invention (without the second shielding cover installed);

[0045] Figure 5 This is a schematic diagram of the other side of the wireless acquisition and collaborative control device provided in one embodiment of the present invention (with a second shielding cover installed).

[0046] In the attached diagram, 1 is the housing, 2 is the bracket, 3 is the collaborative control motherboard, 4 is the switch, 51 is the first shielding cover, 52 is the second shielding cover, 16 is the wireless bridge module, 7 is the wireless router, 8 is the LoRa wireless module, 9 is the wireless bridge antenna, 10 is the LoRa antenna, 11 is the router antenna, 12 is the GPS antenna, 13 is the power board, 14 is the power input port, 15 is the power switch, 16 is the network communication interface, and 17 is the indicator light. Detailed Implementation

[0047] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0048] Unless otherwise defined, the technical or scientific terms used in this invention shall have the ordinary meaning understood by one of ordinary skill in the art to which this invention pertains. The terms "first," "second," and similar terms used in this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different components. "Multiple" refers to two or more. Similarly, "an," "a," or "the" and similar terms do not indicate a quantity limitation, but rather indicate the presence of at least one. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the element or object listed following the word and its equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0049] In the various figures, the same elements are represented by similar reference numerals. For clarity, not all parts in the figures are drawn to scale. Furthermore, some well-known parts may not be shown in the figures.

[0050] Many specific details of this invention, such as the structure, materials, dimensions, processing techniques, and methods of the components, are described below to provide a clearer understanding of the invention. However, as those skilled in the art will understand, the invention may be implemented without following these specific details.

[0051] In some embodiments, see Figures 1 to 5 This utility model discloses a wireless acquisition and collaborative control device, including a housing 1. The housing 1 is equipped with a collaborative control motherboard 3, a switch 4, a wireless bridge module 6, a WIFI wireless network module, and a LoRa wireless module 8, as well as various antennas corresponding to the wireless bridge module, the WIFI wireless network module, and the LoRa wireless module. The wireless bridge module 6 is connected to a wireless bridge antenna 9, the WIFI wireless network module is connected to a router antenna 11, and the LoRa wireless module 8 is connected to a LoRa antenna 10. The collaborative control motherboard 3, the wireless bridge module, the WIFI wireless network module, and the LoRa wireless module are all connected to the switch 4.

[0052] The WIFI wireless network module uses a wireless router 7.

[0053] The wireless bridge module 6 is used to provide a 5.8G wireless network; the WIFI wireless network module is used to provide a 2.4G WIFI wireless network; and the LORA wireless module is used to provide a 470M LORA wireless control network.

[0054] The wireless acquisition and collaborative control device in this embodiment provides three wireless networks:

[0055] ① The 5.8G wireless network, implemented by a wireless bridge device, provides long-distance communication links for data exchange, synchronization control, and working mode configuration between acquisition terminals, solving the problem of long-distance data transmission in field testing.

[0056] ② The 2.4G WIFI wireless network, implemented by the wireless router 7, provides a communication link for the data acquisition terminal to access the analysis host, thus solving the problem of data transmission during acquisition.

[0057] ③ The 470M LoRa wireless control network, implemented by the LoRa wireless module 8, provides a wireless channel for remote power on / off control, solving the problem of remote power on / off control of the acquisition terminal, ensuring that the acquisition terminal is in a low-power mode in standby mode, and extending the working time.

[0058] The number of wireless bridge antenna 9, LoRa antenna 10, router antenna 11, and GPS antenna 12 can be set as needed.

[0059] In this embodiment, there are two wireless bridge antennas 9, which are respectively fixed to the two side walls of the bracket 2. There are also two LoRa antennas 10, with the router antenna 11 and the two LoRa antennas 10 fixed to the upper end of the bracket 2, respectively located on both sides of the router antenna 11. There are also two GPS antennas 12, which are fixed to the upper end of the bracket 2, respectively located on both sides of the router antenna 11, and situated between the two LoRa antennas 10.

[0060] In some embodiments, the housing 1 is provided with a handle for easy carrying.

[0061] In some embodiments, the wireless acquisition and collaborative control device of this utility model further includes a GPS antenna 12, which is connected to the collaborative control motherboard 3.

[0062] The collaborative control motherboard 3 is the core of this wireless data acquisition and collaborative control device. System operating mode configuration, terminal data acquisition synchronization and collaborative control, and remote terminal power on / off control are all handled by this main control board. The functional modules within the housing 1 are interconnected via a wired network (LAN).

[0063] The collaborative control motherboard 3 is equipped with an FPGA and an ARM processor. The collaborative control motherboard 3 also has an Ethernet module, through which the FPGA is connected to the switch 4. Furthermore, the collaborative control motherboard 3 includes a GNSS module, with a GPS antenna connected to the GNSS module, which in turn is connected to the FPGA.

[0064] In some embodiments, the housing 1 is provided with a bracket 2, and the cooperating control motherboard, switch, wireless bridge module, WIFI wireless network module, LORA wireless module, wireless bridge antenna, LORA antenna and router antenna are respectively fixed on the bracket 2.

[0065] In some embodiments, the bracket 2 includes a fixing plate, on one side of which the collaborative control motherboard and the switch are fixed, and on the other side of which the wireless bridge module, the WIFI wireless network module, and the LoRa wireless module are respectively fixed. The switch 4 can be fixed on the collaborative control motherboard 3.

[0066] The fixing plate has fixing parts on both sides for fixing the wireless bridge antenna. For example, the fixing parts can be snap-fit ​​parts for snapping the wireless bridge antenna.

[0067] The wireless data acquisition and collaborative control device adopts a shielded design. All embedded functional modules, except for the antenna, are housed within a metal shield 5. Both the metal shield 5 and the module mounting bracket 2 are made of stainless steel, which can effectively resist interference from strong electromagnetic fields on site and improve the reliability of the equipment in the complex electromagnetic field environment of the substation.

[0068] In some embodiments, a first shielding cover 51 is fixed to one side of the fixing plate, the first shielding cover 51 covers the collaborative control motherboard 3 and the switch 4, and a second shielding cover 52 is fixed to the other side of the fixing plate, the second shielding cover 52 covers the wireless bridge module, the WIFI wireless network module, and the LORA wireless module, and the collaborative control motherboard, the switch, the wireless bridge module, the WIFI wireless network module, and the LORA wireless module are located between the first shielding cover 51 and the second shielding cover 52.

[0069] Optionally, the housing 1 is provided with a network communication interface 16 for connecting to a wired network when the wireless network is abnormal, and the network communication interface 16 is connected to the switch 4.

[0070] In some embodiments, a power supply unit is provided inside the housing 1, and a power input port 14 for power input is provided on the housing 1. The input terminal of the power supply unit is electrically connected to the power input port 14. The power supply unit adopts a power board 13, which is used to realize power conversion and supply power to the various embedded functional modules in the device. A power switch 15 is also provided on the housing 1, and the power switch 15 is connected in series between the power input port 14 and the input terminal of the power supply unit. An indicator light 17 is also provided on the housing 1, and the indicator light 17 is connected to the collaborative control motherboard 3. Specifically, the indicator light 17 is electrically connected to the FPGA on the collaborative control motherboard 3. The wireless acquisition collaborative control device in this embodiment is powered by an external 24V power supply.

[0071] In some embodiments, this utility model discloses a wireless synchronous recording system, including a voltage acquisition terminal, a current acquisition terminal, a host, and a wireless acquisition and coordination control device as described in Embodiment 1. The wireless acquisition and coordination control device communicates wirelessly with the voltage acquisition terminal and the current acquisition terminal to realize synchronous control of the voltage acquisition terminal and the current acquisition terminal. The voltage acquisition terminal and the current acquisition terminal communicate wirelessly with the host through the wireless acquisition and coordination control device to upload waveform data to the analysis host.

[0072] The wireless data acquisition and collaborative control device can also communicate wirelessly with the host to configure the on-site working mode.

[0073] One embodiment of this utility model is as follows: Under the coordination of wireless collaborative control, voltage acquisition terminals and current acquisition terminals achieve synchronous, high-speed sampling of multiple (e.g., 6) analog signals (each acquisition terminal). At the moment the activation condition occurs, waveform data of the preceding 2 seconds (configurable) and the following 3 seconds (configurable) are recorded and uploaded to the analysis host. The wireless collaborative control device provides wireless network access and simultaneously performs functions such as synchronous control of the voltage and current acquisition terminals, task distribution, and trigger control.

[0074] The wireless synchronous recording system is a distributed voltage and current acquisition, wireless transmission, centralized storage, and analysis system based on satellite time synchronization. This system is widely used in substation start-up and commissioning tests and post-maintenance performance testing of electrical equipment. It can quickly establish an on-site test platform and efficiently complete testing tasks. The application of this device can greatly improve the work efficiency of testing personnel while minimizing their workload and technical requirements.

[0075] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0076] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A wireless data acquisition and collaborative control device, comprising a housing, characterized in that, Also includes: The switch is located inside the housing; A collaborative control motherboard is located inside the housing and is connected to the switch. A wireless bridge module is disposed inside the housing. The wireless bridge module is connected to the switch and is used to connect a wireless bridge antenna. A Wi-Fi wireless network module is disposed within the housing. The Wi-Fi wireless network module is connected to the switch and is used to connect to the router antenna. A LORA wireless module is located inside the housing. The LORA wireless module is connected to the switch and is used to connect to LORA wireless.

2. The wireless acquisition and collaborative control device as described in claim 1, characterized in that: The wireless bridge module is used to provide a 5.8G wireless network; the WIFI wireless network module is used to provide a 2.4G WIFI wireless network; and the LORA wireless module is used to provide a 470M LORA wireless control network.

3. The wireless acquisition and collaborative control device as described in claim 1, characterized in that, Also includes: The GPS antenna is connected to the collaborative control motherboard.

4. The wireless acquisition and collaborative control device as described in claim 3, characterized in that, Also includes: A bracket is disposed inside the housing; the collaborative control motherboard, the switch, the wireless bridge module, the WIFI wireless network module, the LORA wireless module, the wireless bridge antenna, the LORA antenna, and the router antenna are respectively fixed on the bracket.

5. The wireless acquisition and collaborative control device as described in claim 4, characterized in that, The support includes: The fixed plate has the collaborative control motherboard and the switch fixed on one side; the wireless bridge module, the WIFI wireless network module and the LORA wireless module are fixed on the other side.

6. The wireless acquisition and collaborative control device as described in claim 5, characterized in that, The support also includes: A first shielding cover is fixedly mounted on one side of the fixed plate; the first shielding cover covers the collaborative control motherboard and the switch; and The second shielding cover is fixedly installed on the other side of the fixed plate; the second shielding cover covers the wireless bridge module, the WIFI wireless network module, and the LORA wireless module; The collaborative control motherboard, the switch, the wireless bridge module, the WIFI wireless network module, and the LORA wireless module are located between the first shielding cover and the second shielding cover.

7. The wireless acquisition and collaborative control device as described in claim 4, characterized in that: The router antenna is located at the upper middle part of the bracket; There are two GPS antennas, which are fixedly mounted on the upper end of the bracket and located on the two outer sides of the router antenna, respectively. There are two LORA antennas, which are fixedly mounted on the upper end of the bracket and located on the outer sides of the two GPS antennas, respectively; and There are two wireless bridge antennas, which are respectively fixed on the two side walls of the bracket.

8. The wireless acquisition and collaborative control device as described in claim 1, characterized in that, Also includes: A network communication interface is provided on the housing, and the network communication interface is used to connect to the switch.

9. The wireless acquisition and collaborative control device as described in claim 1, characterized in that, Also includes: A power supply unit is located inside the housing; the power supply unit is used to convert the input voltage to power the entire device. A power input port is provided on the housing, and the power input port is used to electrically connect to the input terminal of the power supply unit; as well as An indicator light is provided on the housing and is connected to the collaborative control motherboard. The indicator light is used for electrical connection with the FPGA on the collaborative control motherboard 3.

10. A wireless synchronous recording system, characterized in that, include: Voltage acquisition terminal; Current acquisition terminal; Host; as well as The wireless acquisition and collaborative control device as described in any one of claims 1 to 9; The wireless acquisition and collaborative control device communicates wirelessly with the voltage acquisition terminal and the current acquisition terminal. The voltage acquisition terminal and the current acquisition terminal communicate wirelessly with the host through the wireless acquisition and coordination control device.

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