CN212722953U - Portable transformer substation interface loop tester - Google Patents
Portable transformer substation interface loop tester Download PDFInfo
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- CN212722953U CN212722953U CN202021671648.9U CN202021671648U CN212722953U CN 212722953 U CN212722953 U CN 212722953U CN 202021671648 U CN202021671648 U CN 202021671648U CN 212722953 U CN212722953 U CN 212722953U
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Abstract
The utility model discloses a portable transformer substation interface loop tester, wherein the shell comprises an upper shell and a lower shell, the upper shell is matched and buckled on the lower shell, and a hollow cavity is formed between the upper shell and the lower shell; a clamping groove is arranged on the upper shell, and a display is arranged in the clamping groove; a mainboard is arranged in the shell, a host module and a communication chip are arranged on the mainboard side by side, a power management module is arranged on the rear side of the mainboard, the power management module is electrically connected with the host module, the host module is electrically connected with the communication chip, and GOOSE messages of the intelligent substation are accessed outside the communication chip; the power management module is used for supplying power to each chip module. The utility model has simple and reasonable structure, small volume, very compact internal structure, scientific arrangement and good internal heat dissipation; the utility model discloses a relay protection interface circuit tester provides an efficient testing tool, has that the reliability is high, easy operation, portable, saves operating time's advantage.
Description
Technical Field
The utility model relates to a secondary circuit testing tool technical field in the intelligent substation, concretely relates to portable transformer substation interface loop tester.
Background
The application of intelligent substations as important components of smart power grids is becoming more and more widespread. Wherein, the interface circuit test work of intelligence station no longer can be realized through measuring the electric potential, very complicated and not directly be observed, in order to guarantee experimental reliability and integrality, often need accompany and stop relevant equipment, enlarge the power failure scope.
Therefore, the existing instrument for testing the interface loop of the intelligent substation has the problems of being heavy, large in size, complex in structure and not compact enough in internal arrangement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that the existing instrument for testing the interface loop of the intelligent transformer substation is heavy, large in volume, complex in structure, not compact enough in internal arrangement and the like, and aims to provide a portable intelligent transformer substation interface loop tester, which is very compact in structure, scientific in arrangement and good in heat dissipation; the utility model discloses a relay protection interface circuit tester provides an efficient testing tool, has the reliability height, easy operation, saves operating time's advantage.
The utility model discloses a following technical scheme realizes:
a portable transformer substation interface loop tester comprises a shell, wherein the shell comprises an upper shell and a lower shell, the upper shell is matched and buckled on the lower shell, and a hollow cavity is formed between the upper shell and the lower shell; a clamping groove is formed in the upper shell, and a display is arranged in the clamping groove;
a main board is arranged in the shell, a host module and a communication chip are arranged on the main board side by side, a power management module is arranged on the rear side of the main board, the power management module is electrically connected with the host module, the host module is electrically connected with the communication chip, and a GOOSE message of an intelligent substation is accessed outside the communication chip; the power management module is used for supplying power to each chip module.
The utility model develops a brand new special instrument according to the actual conditions of the intelligent substation interface loop test operation; the utility model comprises a shell, a display, a host module, a communication chip and a power management module, wherein the host module, the communication chip and the power management module are arranged in the shell, the communication chip is externally connected with a GOOSE message of an intelligent substation, and the power management module is used for supplying power to each chip module; the utility model discloses combine the relation of connection between each chip module to realize the catching and the sharing of intelligent substation's GOOSE message. The utility model has simple and reasonable structure, small volume, very compact internal structure and scientific arrangement; the utility model discloses a relay protection interface circuit tester provides an efficient testing tool, has the reliability height, easy operation, saves operating time's advantage.
Preferably, the power management module comprises a lithium battery pack, and the model of the power management module is MP 2636. Because conventional power supply boosting and charging is typically performed in two separate parts, circuit setup is relatively cumbersome. The utility model discloses the tester of considering to realize a small in size, consequently selected and based on MP2636 power management module can satisfy the utility model discloses actual design demand, it is a small-size charging/step up two unification modules, once only satisfies two functional points of charging and step up, and it is fairly simple to use, when external power source, by external power source as power to the output, the battery charges automatically, the CHG lamp is bright usually at this moment; when no external power supply is available, the lithium battery is used as a power supply to Boost the voltage to the output end, and the Boost lamp is always on at the moment.
Preferably, the power management module further comprises an electric quantity display LED lamp, and the electric quantity display LED lamp is electrically connected with the power management module; the side of the lower shell is provided with a groove, the electric quantity display LED lamp is arranged in the groove, and the electric quantity display LED lamp is electrically connected with the power management module through a wire.
Preferably, the power management module further comprises a heat dissipation plate, wherein the heat dissipation plate is arranged between the mainboard and the power management module, so that heat dissipation of the host module, the communication chip and the lithium battery pack is realized, and the working environment of each chip module in the shell is ensured.
Preferably, the host module adopts a LattePanda development board, and the host module comprises an intel 4-core processor chip, a highest 1.92GHz operating frequency, a built-in LPDDR 34G memory, an eMMC 64G solid state disk, a bluetooth 4.1 module, and a WiFi module, and supports a USB 3.0 interface, an HDMI video output interface, a 3.5mm audio interface, a 1000Mbps/100Mbps/10Mbps adaptive ethernet port, and an additional MicroSD expansion card slot.
Preferably, the communication chip is CXL-6011 STSIBB-2 KM in model number, can be powered by a USB interface, has small working current and low power consumption, supports multimode optical fiber, adopts an ST optical fiber interface, has a working wavelength of 1310nm, has a bandwidth self-adaption capability of 10M/100M, and supports a full-duplex/half-duplex working mode.
Preferably, the housing has a length of 205mm, a width of 152mm and a height of 72mm, which not only ensures light weight and small size of the tester cavity, but also takes into account that the design should make the most use of each available space, and each module should be installed under the condition of the same volume, and the battery pack with larger capacity or the battery pack with the same capacity should have smaller installation volume.
Preferably, the size contour of the display is consistent with that of the card slot, the thickness of the display is equal to the depth of the card slot, and the display is clamped in the card slot in a size fit manner.
Preferably, the display adopts a 7-inch LCD touch integrated display screen, the resolution ratio of the display is 1024 multiplied by 600, and HDMI high-definition output is supported. The capacitive touch panel supports multi-point touch control and can identify 5 fingers simultaneously. The USB touch adopts a DFRobot drive-free design, does not need to be provided with a special drive, and can be directly inserted into a host module for touch operation. The screen supports the Windows operating system, and can be directly matched with Lattepanda, Raspberry Pi and other equipment with HDMI output for use.
Preferably, the housing is manufactured by a 3D printing technology, and the arrangement of the optimal positions is performed according to the size of each module to obtain a standardized housing.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model develops a brand new special instrument according to the actual conditions of the intelligent substation interface loop test operation; the utility model comprises a shell, a display, a host module, a communication chip and a power management module, wherein the host module, the communication chip and the power management module are arranged in the shell, the communication chip is externally connected with a GOOSE message of an intelligent substation, and the power management module is used for supplying power to each chip module; the utility model discloses combine the relation of connection between each chip module to realize the catching and the sharing of intelligent substation's GOOSE message. The utility model has simple and reasonable structure, small volume, very compact internal structure, scientific arrangement and good internal heat dissipation; the utility model discloses a relay protection interface circuit tester provides an efficient testing tool, has that the reliability is high, easy operation, portable, saves operating time's advantage.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is the utility model relates to a portable transformer substation interface loop tester schematic structure.
Fig. 2 is a circuit connection diagram of each module in the tester of the present invention.
Reference numbers and corresponding part names in the drawings:
the LED lamp comprises a shell 1, an upper shell 100, a lower shell 101, a card slot 2, a display 3, a host module 4, a communication chip 5, a power management module 6, an electric quantity display LED lamp 7, a heat dissipation plate 8, a positive contact 9 and a negative contact 10.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, the terms "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention.
Examples
As shown in fig. 1 and 2, the utility model relates to a portable transformer substation interface loop tester, which comprises a housing 1, and is made of 304 stainless steel, wherein the length of the housing 1 is 205mm, the width is 152mm, and the height is 72 mm; the shell 1 comprises an upper shell 100 and a lower shell 101, wherein the upper shell 100 is buckled on the lower shell 101 in an inosculating way, and a hollow cavity is formed between the upper shell 100 and the lower shell 101; a clamping groove 2 is formed in the upper shell 100, and a display 3 is arranged in the clamping groove 2;
a mainboard is arranged in the shell 1, a host module 4 and a communication chip 5 are arranged on the mainboard side by side, a power management module 6 is arranged on the rear side of the mainboard, the power management module 6 is electrically connected with the host module 4, the host module 4 is electrically connected with the communication chip 5, and the communication chip 5 is externally connected with a GOOSE message of an intelligent substation; and the power management module 6 is used for supplying power to each chip module.
The tester is used for capturing and sharing the GOOSE message of the intelligent substation.
In this embodiment, the power management module 6 includes a lithium battery pack, and the model of the power management module 6 is MP 2636. In the embodiment, the lithium battery pack is formed by 8 sections of BCR18650B lithium ion batteries; the nominal capacity of a single battery reaches 3400mAh, the output voltage is 3.6V, and the battery pack can provide the endurance of 10 hours according to the overall 8W power consumption calculation of the design. Each BCR18650B lithium ion battery all is furnished with the battery protection shield, can effectively prevent battery excessive pressure, overcurrent for the group battery uses safelyr.
The upper end of the lithium battery pack is provided with a positive contact 9, and the lower end of the lithium battery pack is provided with a negative contact 10, so that the lithium battery pack is convenient to electrically connect and supplies power for each module of the tester.
In this embodiment, the power management device further comprises an electric quantity display LED lamp 7, wherein the electric quantity display LED lamp 7 is electrically connected to the power management module 6; be equipped with the recess on the side of lower casing 101, electric quantity display LED lamp 7 is located in the recess, electric quantity display LED lamp 7 pass through the wire with power management module 6 electricity is connected.
In this embodiment, the heat dissipation device further includes a heat dissipation plate 8, where the heat dissipation plate 8 is disposed between the motherboard and the power management module 6, so as to achieve heat dissipation of the host module 4, the communication chip 5, and the lithium battery pack, and ensure a working environment of each chip module in the housing.
In this embodiment, the host module 4 adopts a LattePanda development board, the host module 4 includes an intel 4-core processor chip, the highest 1.92GHz operating frequency, a built-in LPDDR 34G memory, an eMMC 64G solid state disk, a bluetooth 4.1 module, and a WiFi module, and supports a USB 3.0 interface, an HDMI video output interface, a 3.5mm audio interface, a 1000Mbps/100Mbps/10Mbps adaptive ethernet port, and an additional MicroSD expansion card slot.
In this embodiment, the communication chip 5 is CXL-6011STs sub-2KM, can be powered by a USB interface, has a small working current and low power consumption, supports multimode optical fiber, adopts an ST optical fiber interface, has a working wavelength of 1310nm, has a bandwidth adaptive capability of 10M/100M, and supports a full duplex/half duplex working mode.
In this embodiment, the size and the profile of the display 3 are the same as those of the card slot 2, the thickness of the display 3 is equal to the depth of the card slot 2, and the display 3 is engaged with the card slot 2 in a matching manner.
In this embodiment, the display 3 is a 7-inch LCD touch integrated display screen, and the resolution is 1024 × 600, which supports HDMI high-definition output. The capacitive touch panel supports multi-point touch control and can identify 5 fingers simultaneously. The USB touch adopts a DFRobot drive-free design, does not need to be provided with a special drive, and can be directly inserted into a host module for touch operation. The screen supports the Windows operating system, and can be directly matched with Lattepanda, Raspberry Pi and other equipment with HDMI output for use.
In this embodiment, the housing 1 is manufactured by a 3D printing technology, and the optimal positions are arranged according to the size of each module, so as to obtain a standardized housing.
Fig. 2 is a circuit connection diagram of each module in the tester of the present invention, the display 3 is connected with the host module 4 through a signal cable, and a power cable is arranged between them; the host module 4 is connected with the communication chip 5 through a communication network cable; the power management module 6 is connected with the electric quantity display LED lamp 7 through a power cable, the power management module 6 is connected with the communication chip 5 through a power cable, and the power management module 6 is used for supplying power for all the modules.
The working principle is as follows: the utility model develops a brand new special instrument according to the actual conditions of the intelligent substation interface loop test operation; the utility model comprises a shell, a display, a host module, a communication chip and a power management module, wherein the host module, the communication chip and the power management module are arranged in the shell, the communication chip is externally connected with a GOOSE message of an intelligent substation, and the power management module is used for supplying power to each chip module; the utility model discloses combine the relation of connection between each chip module to realize the catching and the sharing of intelligent substation's GOOSE message. The utility model has simple and reasonable structure, small volume, very compact internal structure, scientific arrangement and good internal heat dissipation; the utility model discloses a relay protection interface circuit tester provides an efficient testing tool, has that the reliability is high, easy operation, portable, saves operating time's advantage.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A portable transformer substation interface loop tester comprises a shell (1), and is characterized in that the shell (1) comprises an upper shell (100) and a lower shell (101), wherein the upper shell (100) is matched and buckled on the lower shell (101), and a hollow cavity is formed between the upper shell (100) and the lower shell (101); a clamping groove (2) is formed in the upper shell (100), and a display (3) is arranged in the clamping groove (2);
a mainboard is arranged in the shell (1), a host module (4) and a communication chip (5) are arranged on the mainboard side by side, a power management module (6) is arranged at the rear side of the mainboard, the power management module (6) is electrically connected with the host module (4), the host module (4) is electrically connected with the communication chip (5), and the communication chip (5) is externally connected with a GOOSE message of an intelligent substation; and the power supply management module (6) is used for supplying power to each chip module.
2. A portable substation interface loop tester according to claim 1, characterized in that the power management module (6) comprises a lithium battery pack, and the model of the power management module (6) is MP 2636.
3. The portable substation interface loop tester of claim 1, further comprising a power display LED lamp (7), wherein the power display LED lamp (7) is electrically connected to the power management module (6); the side edge of the lower shell (101) is provided with a groove, the electric quantity display LED lamp (7) is arranged in the groove, and the electric quantity display LED lamp (7) is electrically connected with the power management module (6) through a wire.
4. A portable substation interface loop tester according to claim 1, further comprising a heat sink (8), wherein said heat sink (8) is disposed between said motherboard and said power management module (6).
5. The portable substation interface loop tester of claim 1, wherein the host module (4) is implemented using a LattePanda development board, and the host module (4) comprises an intel 4-core processor chip.
6. A portable substation interface loop tester according to claim 1, characterized in that the communication chip (5) has a model of CXL-6011 stsbb-2 KM.
7. A portable substation interface loop tester according to claim 1, characterized in that the housing (1) has a length of 205mm, a width of 152mm and a height of 72 mm.
8. A portable substation interface loop tester according to claim 1, characterized in that the display (3) is in line with the size profile of the card slot (2), the thickness of the display (3) is equal to the depth of the card slot (2), and the display (3) is fitted into the card slot (2) in a size-fitting manner.
9. The portable substation interface loop tester of claim 1 or 8, wherein the display (3) is a 7-inch LCD touch-control integrated display screen with a resolution of 1024 x 600.
10. The portable substation interface loop tester of claim 1, wherein the housing (1) is manufactured using 3D printing technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021671648.9U CN212722953U (en) | 2020-08-12 | 2020-08-12 | Portable transformer substation interface loop tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021671648.9U CN212722953U (en) | 2020-08-12 | 2020-08-12 | Portable transformer substation interface loop tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212722953U true CN212722953U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021671648.9U Active CN212722953U (en) | 2020-08-12 | 2020-08-12 | Portable transformer substation interface loop tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212722953U (en) |
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2020
- 2020-08-12 CN CN202021671648.9U patent/CN212722953U/en active Active
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