CN220709561U - Digital measurement and control device with communication function - Google Patents
Digital measurement and control device with communication function Download PDFInfo
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- CN220709561U CN220709561U CN202322061131.8U CN202322061131U CN220709561U CN 220709561 U CN220709561 U CN 220709561U CN 202322061131 U CN202322061131 U CN 202322061131U CN 220709561 U CN220709561 U CN 220709561U
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- 238000004891 communication Methods 0.000 title claims abstract description 64
- 238000005259 measurement Methods 0.000 title claims abstract description 19
- 238000005070 sampling Methods 0.000 claims abstract description 5
- 239000013307 optical fiber Substances 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Abstract
The application discloses a digital measurement and control device with a communication function, which comprises a shell, wherein the front side of the shell is provided with a display module, a key input module and an indicator lamp, the back side of the shell is provided with an alternating current sampling module and a switching signal output module, and a main control MCU module, a power module, a storage recording module and a communication module are arranged in the shell; the shell is internally provided with at least a first circuit board and a second circuit board which are in communication connection, the main control MCU module, the power module and the storage recording module are integrated on the first circuit board, the communication module is integrated on the second circuit board, the communication module comprises at least one communication interface welded on the second circuit board, and the communication interface is exposed from the back of the shell. The advantage of this application is when the different communication module of configuration, main circuit board can share to reduce the stock of circuit board, design cost, thereby reduce the overall cost of equipment.
Description
Technical Field
The application relates to the technical field of electric instruments, in particular to a digital measurement and control device with a communication function.
Background
The measurement and control device is an electric instrument integrating multiple functions of protection, measurement, control, monitoring, communication, event recording, fault recording, misoperation prevention and the like, and is widely applied to transformer substations, power plants, some enterprises and buildings with larger electricity consumption. For a conventional measurement and control device, a plurality of Ethernet interfaces, optical fiber interfaces, RS485 interfaces and other interfaces are arranged on the device, so that different communication scenes are met.
However, as the measurement and control apparatus is developed toward miniaturization, the size of the circuit board in the device is limited, and the number of communication interfaces is drastically compressed due to the limitation of the wiring space on the device housing. In facing the product demands of customer miniaturization, manufacturers often compress device size by eliminating some of the customer's unwanted communication interfaces. Therefore, different measurement and control devices are required to be designed for different clients, communication interfaces matched with the clients are adopted to meet the communication demands of the clients, and as the communication interfaces are usually integrated on a circuit board, the stock and design cost of a manufacturer for the circuit board is greatly increased, equipment scrapping is easily caused, and the equipment price is raised from the upstream.
Disclosure of Invention
The application provides a digital measurement and control device with a communication function, which has the advantages that when different communication modules are configured, a main circuit board can be shared, so that the stock and design cost of the circuit board are reduced, and the overall cost of equipment is reduced.
The digital measurement and control device with the communication function is characterized by comprising a shell, wherein a display module, a key input module and an indicator lamp are arranged on the front side of the shell, an alternating current sampling module and a switch signal output module are arranged on the back side of the shell, and a main control MCU module, a power module, a storage recording module and a communication module are arranged in the shell;
the shell is internally provided with at least a first circuit board and a second circuit board which are in communication connection, the main control MCU module, the power module and the storage recording module are integrated on the first circuit board, the communication module is integrated on the second circuit board, the communication module comprises at least one communication interface welded on the second circuit board, and the communication interface is exposed from the back of the shell.
The application further sets that, the communication interface is one or more of an optical fiber interface, an ethernet interface, an RS232 interface and a USB interface.
The application is further set up to, the casing back is equipped with and is used for the spread groove that communication interface exposes, be equipped with detachable baffle in the spread groove.
The application is further provided with the baffle and the backboard of the shell are integrally formed, and the baffle is connected with the shell through a plurality of connecting rods which can be broken off.
The application is further provided with the first circuit board, the second circuit board is installed above the first circuit board through a plurality of connecting columns, and the connecting columns are fixed with the first circuit board or the second circuit board through screws.
The application is further provided with a clamping groove for installing the first circuit board in the shell, and the first circuit board is fixed in the shell through a screw.
The application is further set up to, power module passes through the power cord for communication module power supply, be equipped with power interface on the second circuit board.
In summary, the beneficial effects of the present application are:
1. according to the method, the communication module is integrated on the second circuit board through the arrangement of the independent first circuit board and the second circuit board, and the first circuit board is integrated with other shared modules, so that no matter what communication interface is configured on the communication module, the first circuit board is applicable, therefore, when equipment with different communication interfaces is required to be produced for different customers, the first circuit board can be shared, only the second circuit board is required to be changed, the stock pressure of the circuit board is reduced, and meanwhile, the stock and design cost of the circuit board are also reduced;
2. because the first circuit boards are shared, a plurality of different circuit boards are not needed to be prepared in a workshop, the rejection rate of the circuit boards is reduced, and the design cost is further reduced;
3. only integrate a small amount of communication interface on the second circuit board in this application, and second circuit board stacks the setting about with first circuit board, reduced occupation space, be favorable to the miniaturization of equipment.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic diagram of the present embodiment;
fig. 4 is a schematic view of mounting positions of a first circuit board and a second circuit board in the present embodiment;
fig. 5 is a schematic diagram of a second circuit board in the present embodiment.
100, a housing; 101. a connecting groove; 102. a baffle; 200. an alternating current sampling module; 300. a switching signal output module; 400. a first circuit board; 500. a second circuit board; 600. a communication interface; 700. and a power interface.
Description of the embodiments
The following detailed description of specific embodiments of the present application refers to the accompanying drawings.
Examples: referring to fig. 1-5, a digital measurement and control device with a communication function includes a housing 100, wherein a display module, a key input module and an indicator lamp are disposed on the front side of the housing 100, an ac sampling module 200 and a switching signal output module 300 are disposed on the back side of the housing 100, and a main control MCU module, a power module, a storage recording module and a communication module are disposed in the housing 100.
The shell 100 is internally provided with at least a first circuit board 400 and a second circuit board 500, the first circuit board 400 and the second circuit board 500 are in communication connection, the main control MCU module, the power module and the storage recording module are integrated on the first circuit board 400, the communication module is integrated on the second circuit board 500, the communication module comprises at least one communication interface 600 welded on the second circuit board 500, and the communication interface 600 is exposed from the back of the shell.
The communication interface 600 is one or more of a fiber optic interface, an ethernet interface, an RS232 interface, and a USB interface. In this embodiment, as shown in fig. 4 and 5, only one communication interface 600 is provided on the second circuit board 500, and the communication interface 600 is an optical adapter for connecting an optical fiber to communicate with the outside.
In this embodiment, the main chip of the main control MCU module adopts a digital signal processor DSP, which has strong data acquisition and processing capabilities. The power supply module is connected with 220V alternating current and outputs at least two paths of power supplies, one path of power supply module is used for driving the relay, and the other path of power supply module is used for supplying power to the chip.
In an embodiment, a connection groove 101 for exposing the communication interface 600 is provided on the back of the housing 100, and a detachable baffle 102 is provided in the connection groove 101. The baffle plate 102 is integrally formed with the back plate of the housing 100, and the baffle plate 102 is connected with the housing 100 through a plurality of breakable connecting rods. Typically, the back plate of the housing is made of aluminum alloy or hard plastic, and a stamping process may be used to form the connecting rod between the connecting slot 101 and the baffle 102.
In an embodiment, the second circuit board 500 is mounted above the first circuit board 400 by a plurality of connection posts, and the connection posts are fixed to the first circuit board 400 or the second circuit board 500 by screws. The stacked first circuit board 400 and second circuit board 500 can reduce the occupied space of the second circuit board 500 in the housing 100, and secondly, the second circuit board 500 is mounted on the first circuit board 400 through the connecting posts and the screws, so that the fixing structure of the second circuit board 500 can not be arranged in the housing 100, and in practical application, the die sinking difficulty of the housing 100 can be reduced.
The shell 100 is internally provided with a clamping groove for installing the first circuit board 400, the first circuit board 400 is fixed in the shell 100 through screws, and the clamping groove is used for primarily positioning the first circuit board 400 through a clamping function, so that the screws are convenient to fix.
The power module supplies power to the communication module through a power line, and the second circuit board 500 is provided with a power interface 700.
The foregoing is merely a preferred embodiment of the present application, and it should be noted that modifications and improvements can be made by those skilled in the art without departing from the inventive concept of the present application, which fall within the protection scope of the present application.
Claims (7)
1. The digital measurement and control device with the communication function is characterized by comprising a shell (100), wherein a display module, a key input module and an indicator lamp are arranged on the front side of the shell (100), an alternating current sampling module (200) and a switch signal output module (300) are arranged on the back side of the shell (100), and a main control MCU module, a power module, a storage recording module and a communication module are arranged in the shell (100);
the shell body (100) is internally provided with at least a first circuit board (400) and a second circuit board (500), the first circuit board (400) and the second circuit board (500) are in communication connection, the main control MCU module, the power module and the storage recording module are integrated on the first circuit board (400), the communication module is integrated on the second circuit board (500), the communication module comprises at least one communication interface (600) welded on the second circuit board (500), and the communication interface (600) is exposed from the back of the shell.
2. The digital measurement and control device with communication function according to claim 1, wherein the communication interface (600) is one or more of an optical fiber interface, an ethernet interface, an RS232 interface and a USB interface.
3. The digital measurement and control device with the communication function according to claim 1, wherein a connecting groove (101) for exposing the communication interface (600) is formed in the back of the shell (100), and a detachable baffle plate (102) is arranged in the connecting groove (101).
4. The digital measurement and control device with the communication function according to claim 3, wherein the baffle plate (102) is integrally formed with the back plate of the housing (100), and the baffle plate (102) is connected with the housing (100) through a plurality of breakable connecting rods.
5. The digital measurement and control device with communication function according to claim 1, wherein the second circuit board (500) is mounted above the first circuit board (400) through a plurality of connection posts, and the connection posts are fixed with the first circuit board (400) or the second circuit board (500) through screws.
6. The digital measurement and control device with the communication function according to claim 5, wherein a clamping groove for installing a first circuit board (400) is formed in the shell (100), and the first circuit board (400) is fixed in the shell (100) through a screw.
7. The digital measurement and control device with communication function according to claim 5, wherein the power module supplies power to the communication module through a power line, and a power interface (700) is arranged on the second circuit board (500).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322061131.8U CN220709561U (en) | 2023-08-02 | 2023-08-02 | Digital measurement and control device with communication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322061131.8U CN220709561U (en) | 2023-08-02 | 2023-08-02 | Digital measurement and control device with communication function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220709561U true CN220709561U (en) | 2024-04-02 |
Family
ID=90441490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322061131.8U Active CN220709561U (en) | 2023-08-02 | 2023-08-02 | Digital measurement and control device with communication function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220709561U (en) |
-
2023
- 2023-08-02 CN CN202322061131.8U patent/CN220709561U/en active Active
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