CN211239848U - Detection mainboard - Google Patents
Detection mainboard Download PDFInfo
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- CN211239848U CN211239848U CN201922370242.0U CN201922370242U CN211239848U CN 211239848 U CN211239848 U CN 211239848U CN 201922370242 U CN201922370242 U CN 201922370242U CN 211239848 U CN211239848 U CN 211239848U
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- 238000001514 detection method Methods 0.000 title claims description 26
- 238000004891 communication Methods 0.000 claims abstract description 92
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 claims abstract description 40
- 238000012360 testing method Methods 0.000 claims abstract description 3
- 238000005070 sampling Methods 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000010168 coupling process Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model provides a detect mainboard, this detect mainboard includes: the system comprises a 24V power supply interface circuit, a 24V DCDC power supply circuit and a core board, wherein the 24V power supply interface circuit is connected with the 24V DCDC power supply circuit, and the 24V DCDC power supply circuit is connected with the core board; the test motherboard further comprises a plurality of sub-components, the plurality of sub-components comprising at least any one of: the concentrator I-type local communication module interface circuit, the single-phase electric energy meter communication module interface circuit, the three-phase electric energy meter communication module interface circuit, the II-type collector interface circuit, the concentrator I-type remote communication module interface circuit and the Ethernet switch circuit. The problem that the II-type collector and the concentrator I-type remote communication module cannot be detected simultaneously in the prior art is solved; the technical problem that the static and dynamic power consumption of a concentrator I type local communication module, a concentrator II type collector, a single three-phase electric energy meter communication module and a concentrator I type remote communication module cannot be detected is solved.
Description
Technical Field
The utility model relates to a power line high speed carrier local communication module and telecommunication module's detection area particularly, relates to a detect mainboard.
Background
At present, a concentrator I-type local communication module, a concentrator II-type collector, and a single-three-phase electric energy meter communication module are common in a power line carrier local communication module, and a manufacturer needs to perform software detection on a platform before supplying goods to ensure that products are qualified.
However, the main board of the existing detection device can only detect the concentrator I-type local communication module and the single three-phase electric energy meter communication module, but cannot detect the II-type collector and the concentrator I-type remote communication module at the same time.
That is, the prior art has the following technical problems:
1. it is not possible to detect both type II collectors and concentrator type I telecommunications modules.
2. The static and dynamic power consumption of the concentrator I-type local communication module, the concentrator II-type collector, the single three-phase electric energy meter communication module and the concentrator I-type remote communication module cannot be detected.
SUMMERY OF THE UTILITY MODEL
The utility model provides a detection mainboard, which solves the problem that the II-type collector and the concentrator I-type remote communication module can not be detected simultaneously in the prior art; and the static and dynamic power consumption of the concentrator I type local communication module, the concentrator II type collector, the single three-phase electric energy meter communication module and the concentrator I type remote communication module can not be detected.
In order to solve the above problem, according to the utility model discloses an aspect, the utility model provides a detect mainboard, its characterized in that, it includes to detect the mainboard: the device comprises a 24V power supply interface circuit, a 24V DCDC power supply circuit and a core board, wherein the 24V power supply interface circuit is connected with the 24V DCDC power supply circuit, and the 24V DCDC power supply circuit is connected with the core board; wherein the detection mainboard further comprises a plurality of sub-components, and the plurality of sub-components comprise at least any one of the following: the concentrator I type local communication module interface circuit, the single-phase electric energy meter communication module interface circuit, the three-phase electric energy meter communication module interface circuit, II type collector interface circuit, concentrator I type remote communication module interface circuit, ethernet switch circuit, three-phase electric interface circuit, power line carrier communication interface circuit, UART debugging circuit, Flash erase circuit, MCU reset circuit, USB interface circuit, system status indicating circuit, a plurality of subcomponents all with nuclear core plate, 24V DCDC power supply circuit is connected.
Optionally, the 24V power supply interface circuit is used for externally connecting a 24V power supply and indicates whether to connect the 24V power supply by an LED lamp.
Optionally, the 24V DCDC power supply circuit is configured to supply power to the detection motherboard, and the 24V DCDC power supply circuit includes at least one of: the circuit comprises a 24V-to-12V DCDC circuit, a 24V-to-5V DCDC circuit, a 24V-to-4V DCDC circuit and a 24V-to-3.3V DCDC circuit.
Optionally, the core board is mainly used for voltage and current AD acquisition, and the core board includes at least one of the following: 3.3V DCDC power supply circuit, ARM926 chip, crystal oscillator circuit, SDRAM memory circuit, Flash memory circuit, ethernet physical layer circuit.
Optionally, the 3.3V DCDC power supply circuit includes: a 1-path DCDC circuit converting 3.3V into 1.8V and a 1-path DCDC circuit converting 3.3V into 1 VDCDC.
Optionally, the concentrator I-type local communication module interface circuit includes 2 paths, including: the device comprises a 12V and 3.3V power supply control circuit and a module power consumption current sampling circuit, wherein when a module to be tested is a concentrator I-type local communication module, a concentrator I-type local communication module interface circuit is used for connection.
Optionally, the single-phase electric energy meter communication module interface circuit includes 1 path in total, including: the device comprises a 12V power supply control circuit and a module power consumption current sampling circuit, wherein under the condition that a module to be tested is a single-phase electric energy meter communication module, a single-phase electric energy meter communication module interface circuit is used for connection.
Optionally, the three-phase electric energy meter communication module interface circuit has 2 circuits, wherein the three-phase electric energy meter communication module interface circuit multiplexes a three-phase circuit in the concentrator I-type local communication module interface circuit, a partial circuit in the weak current interface, a 12V, 3.3V power supply control circuit, and a module power consumption current sampling circuit, and is arranged at the same physical position, and the three-phase electric energy meter communication module interface circuit is used for connection when the module to be tested is the three-phase electric energy meter communication module.
Optionally, the II-type collector interface circuit includes 1 circuit of 3.3V to 3.3V isolation power supply circuit and single-phase power consumption measurement circuit, 1 circuit of 3.3V to 5V isolation power supply circuit and UART to RS485 circuit, wherein, under the condition that the module to be measured is the II-type collector, the connection is performed through the II-type collector interface circuit.
Optionally, the concentrator I-type remote communication module interface circuit includes 1 channel, and includes a 4V power control circuit and a module power consumption current sampling circuit, where the concentrator I-type remote communication module interface circuit is used for connection when the module to be tested is the concentrator I-type remote communication module.
Optionally, the ethernet switch circuit is configured to connect the core board and the concentrator I-type local communication module, and the ethernet switch circuit is further configured to reserve an ethernet port to the outside, where the ethernet port previewed to the outside is configured to be expanded.
Use the technical scheme of the utility model, reach and to detect concentrator I type local communication module, II type collector, single three-phase electric energy meter communication module and concentrator I type remote communication module simultaneously to and can detect the technological effect of concentrator I type local communication module, II type collector, single three-phase electric energy meter communication module and concentrator I type remote communication module static consumption and dynamic consumption simultaneously.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural diagram of a detection motherboard provided by the present invention;
Detailed Description
The technical solution 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. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a detection motherboard, which has a structure as follows:
the detection mainboard comprises a 24V power supply interface circuit, a 24V DCDC power supply circuit, a core board, a concentrator I-type local communication module interface circuit, a single-phase electric energy meter communication module interface circuit, a three-phase electric energy meter communication module interface circuit, a II-type collector interface circuit, a concentrator I-type remote communication module interface circuit, an Ethernet switch circuit, a three-phase electric interface circuit, a power carrier communication interface circuit, a UART debugging circuit, a Flash erasing circuit, an MCU resetting circuit, a USB interface circuit and a system state indicating circuit.
The 24V power supply interface circuit is used for externally connecting a 24V power supply and indicates whether the 24V power supply is connected or not by an LED lamp.
The 24V DCDC power supply circuit is used for supplying power to a mainboard and comprises a 1-path 24V-to-12V DCDC circuit, a 1-path 24V-to-5V DCDC circuit, a 1-path 24V-to-4V DCDC circuit and a 1-path 24V-to-3.3V DCDC circuit.
The core board is mainly used for voltage and current AD acquisition, communication interface and conversion (Ethernet interface, UART interface, SPI interface, USB interface and UART-to-RS 485), circuit detection and control, system state indication and the like, and comprises a 3.3V DCDC power supply circuit, an ARM926 chip, a crystal oscillator circuit, an SDRAM storage circuit, a Flash storage circuit and an Ethernet physical layer circuit. The 3.3VDCDC power supply circuit comprises a 1-path 3.3V-to-1.8V DCDC circuit and a 1-path 3.3V-to-1V DCDC circuit. In addition, adopt two pairs of 2X 30pin public, female connecting seats to connect between mainboard and the nuclear core plate, wherein use female seat on the mainboard, use public seat on the nuclear core plate, can change when nuclear core plate damages the back, facilitate the use.
The concentrator I-type local communication module interface circuit has 2 paths, is designed by referring to the I-type local communication module interface circuit in the national power grid concentrator type specification, and comprises a 12V power supply control circuit, a 3.3V power supply control circuit and a module power consumption current sampling circuit. When the tested module is the concentrator I-type local communication module, the concentrator I-type local communication module can be used for connection by using an interface circuit;
the single-phase electric energy meter communication module interface circuit is designed by referring to the electric energy meter communication module interface circuit in the national grid single-phase intelligent electric energy meter type specification, and comprises a 12V power supply control circuit and a module power consumption current sampling circuit. When the module to be tested is a single-phase electric energy meter communication module, the connection can be carried out by utilizing an interface circuit of the single-phase electric energy meter communication module;
the three-phase electric energy meter communication module interface circuit is designed by referring to the electric energy meter communication module interface circuit in the national grid three-phase intelligent electric energy meter type specification, and a three-phase circuit in the concentrator I-type local communication module interface circuit, a middle part circuit in a weak current interface, a 12V and 3.3V power supply control circuit and a module power consumption current sampling circuit are multiplexed and are positioned at the same physical position. When the module to be tested is a three-phase electric energy meter communication module, the three-phase electric energy meter communication module can be used for connection by using an interface circuit;
the II type collector interface circuit comprises 1 path in total, wherein the 1 path comprises a 3.3V to 3.3V isolation power supply circuit and a single-phase power consumption metering circuit, a 3.3V to 5V isolation power supply circuit and a UART to RS485 circuit. When the module to be tested is a II-type collector, the connection can be carried out by utilizing an interface circuit of the II-type collector;
the concentrator I-type remote communication module interface circuit has 1 path in total, is designed by referring to the I-type remote communication module interface circuit in the national power grid concentrator type specification, and comprises a 4V power supply control circuit and a module power consumption current sampling circuit. When the tested module is the concentrator I-type remote communication module, the concentrator I-type remote communication module can be used for connection by using an interface circuit;
the Ethernet switch circuit is used for connecting the core board and the concentrator I-type local communication module, and 1 Ethernet port is reserved outwards for expansion.
The three-phase electrical interface circuit is used for externally connecting three-phase power and is used for signal coupling of a module to be tested.
The power carrier communication interface circuit is coupled with signals on three-phase power and used for point-to-point and networking test
The UART debugging circuit comprises a 1-path UART receiving and transmitting circuit and is used for debugging a system.
The Flash erasing circuit erases the Flash storage unit on the core board in a key pressing mode.
The MCU reset circuit resets the system in a key-press mode.
The USB interface circuit comprises a 1-path USB interface and can be used for USB communication and debugging of the core board.
The system state indicating circuit is used for displaying the system connection state, the detection state and the detection result.
It should be noted that: the utility model discloses the kind that detects the mainboard detection module that provides is more comprehensive, specific, covers 3 kinds and above communication module. Furthermore, the utility model provides a detection mainboard can also detection module's static and dynamic consumption, makes the detection project more comprehensive.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
Claims (11)
1. The utility model provides a detect mainboard, its characterized in that, it includes to detect the mainboard: the device comprises a 24V power supply interface circuit, a 24V DCDC power supply circuit and a core board, wherein the 24V power supply interface circuit is connected with the 24V DCDC power supply circuit, and the 24V DCDC power supply circuit is connected with the core board;
wherein the detection mainboard further comprises a plurality of sub-components, and the plurality of sub-components comprise at least any one of the following: the concentrator I type local communication module interface circuit, the single-phase electric energy meter communication module interface circuit, the three-phase electric energy meter communication module interface circuit, II type collector interface circuit, concentrator I type remote communication module interface circuit, ethernet switch circuit, three-phase electric interface circuit, power line carrier communication interface circuit, UART debugging circuit, Flash erase circuit, MCU reset circuit, USB interface circuit, system status indicating circuit, a plurality of subcomponents all with nuclear core plate, 24V DCDC power supply circuit connection.
2. The detection mainboard of claim 1, wherein the 24V power interface circuit is configured to externally connect to a 24V power source and to indicate whether the 24V power source is connected by an LED lamp.
3. The motherboard according to claim 1, wherein the 24V DCDC power supply circuit is configured to supply power to the motherboard, and the 24V DCDC power supply circuit comprises at least one of: the circuit comprises a 24V-to-12V DCDC circuit, a 24V-to-5V DCDC circuit, a 24V-to-4V DCDC circuit and a 24V-to-3.3V DCDC circuit.
4. The motherboard of claim 1, wherein the core board is primarily used for voltage and current (AD) acquisition, and the core board comprises at least one of: 3.3V DCDC power supply circuit, ARM926 chip, crystal oscillator circuit, SDRAM memory circuit, Flash memory circuit, ethernet physical layer circuit.
5. The detection motherboard of claim 4, wherein the 3.3V DCDC power supply circuit comprises: the circuit comprises a 1-path 3.3V-to-1.8V DCDC circuit and a 1-path 3.3V-to-1V DCDC circuit.
6. The detection mainboard of claim 1, wherein the concentrator type I local communication module interface circuit comprises 2 paths in total, and comprises: the device comprises a 12V and 3.3V power supply control circuit and a module power consumption current sampling circuit, wherein when a module to be tested is a concentrator I-type local communication module, a concentrator I-type local communication module interface circuit is used for connection.
7. The detection mainboard of claim 1, wherein the single-phase electric energy meter communication module interface circuit comprises 1 circuit, and comprises: the device comprises a 12V power supply control circuit and a module power consumption current sampling circuit, wherein under the condition that a module to be tested is a single-phase electric energy meter communication module, a single-phase electric energy meter communication module interface circuit is used for connection.
8. The detection main board according to claim 1, wherein the three-phase electric energy meter communication module interface circuit comprises 2 circuits, wherein the three-phase electric energy meter communication module interface circuit, the three-phase circuit in the multiplex concentrator type I local communication module interface circuit, the middle circuit in the weak current interface, the 12V and 3.3V power supply control circuit and the module power consumption current sampling circuit are arranged at the same physical position, and are connected by using the three-phase electric energy meter communication module interface circuit in the case that the module to be detected is the three-phase electric energy meter communication module.
9. The detection mainboard of claim 1, wherein the II-type collector interface circuit comprises 1 circuit, including 1 circuit of 3.3V to 3.3V isolation power supply circuit and single-phase power consumption metering circuit, 1 circuit of 3.3V to 5V isolation power supply circuit and UART to RS485 circuit, wherein, when the module to be tested is the II-type collector, the connection is performed through the II-type collector interface circuit.
10. The detection mainboard of claim 1, wherein the concentrator type I telecommunication module interface circuit comprises 1 circuit, a 4V power control circuit and a module power consumption current sampling circuit, and wherein the concentrator type I telecommunication module interface circuit is used for connection when the module under test is the concentrator type I telecommunication module.
11. The detection motherboard of claim 1, wherein the ethernet switch circuit is configured to connect the core board and the concentrator type I local communication module, and the ethernet switch circuit is further configured to reserve an ethernet port for external use, and the ethernet port for external preview is configured to be expanded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922370242.0U CN211239848U (en) | 2019-12-24 | 2019-12-24 | Detection mainboard |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922370242.0U CN211239848U (en) | 2019-12-24 | 2019-12-24 | Detection mainboard |
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| CN211239848U true CN211239848U (en) | 2020-08-11 |
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| CN201922370242.0U Active CN211239848U (en) | 2019-12-24 | 2019-12-24 | Detection mainboard |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112614323A (en) * | 2020-11-30 | 2021-04-06 | 国网山东省电力公司滨州供电公司 | Electric energy meter with intranet switches function |
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2019
- 2019-12-24 CN CN201922370242.0U patent/CN211239848U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112614323A (en) * | 2020-11-30 | 2021-04-06 | 国网山东省电力公司滨州供电公司 | Electric energy meter with intranet switches function |
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