CN217689825U - Network port expansion controller - Google Patents
Network port expansion controller Download PDFInfo
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- CN217689825U CN217689825U CN202221791247.6U CN202221791247U CN217689825U CN 217689825 U CN217689825 U CN 217689825U CN 202221791247 U CN202221791247 U CN 202221791247U CN 217689825 U CN217689825 U CN 217689825U
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Abstract
The utility model relates to a network port expansion controller, wherein an upper integrated circuit board and a lower integrated circuit board are arranged in a casing; the shell consists of a rear shell and a panel, wherein an upper slot and a lower slot which are respectively matched with the upper integrated circuit board and the lower integrated circuit board are arranged in the rear shell; the upper integrated circuit board is inserted in the upper slot, and the outer side of the upper integrated circuit board is provided with an I/O interface, a plurality of communication interfaces and a network port; the lower integrated circuit board is inserted and fixed in the lower slot, and a main can bus interface, a debugging interface, a plurality of communication interfaces and a power supply interface are arranged on the outer side of the lower integrated circuit board; the panel is provided with windows corresponding to the interfaces, and the panel is fixedly connected with the rear shell in a clamping way; still include a plurality of from the machine, be equipped with from the machine circuit board in the machine shell, every is equipped with external memory debugging mouth, dial switch, display screen, button and USB interface from at least one vice can bus interface of machine circuit board and a plurality of IO expansion mouth, from machine circuit board upper portion, the utility model discloses realize the expansion of Io interface quantity, the upgrading cost is low.
Description
Technical Field
The utility model relates to an electronic circuit equipment specifically is a net gape extension type controller.
Background
In the prior art, a network port controller used in cooperation with telemetry terminal equipment is generally configured with a circuit board and a plurality of interfaces, and the interface types mainly include a communication network port, a power supply interface, an IO interface used for connecting a plurality of specific sensors, and the like.
The Chinese utility model patent, the patent number is: 201661005.5, 2016.08.29 on the filing date and 2017.09.26 on the granting date, discloses an industrial general controller, which comprises a power module (1), an RS485 interface (2), a USB interface (3), an LED indicator lamp (4), a CPU (5), an AD interface (6), a DA interface (7), a DI interface (8), a DO interface (9) and a dial switch (10). Which is a controller capable of providing more types of signal acquisition in the prior art.
The existing network port controller has the following defects: (1) The existing controller is characterized in that each interface module is an independent chip, the chips with different interface functions are assembled on a mainboard according to different requirements, although the configuration is flexible, the circuit structure of the equipment is loose, and the size of the machine body is large. (2) The existing controller has limited interfaces, especially an I/O interface for accessing a sensor, and only supports the access of a fixed number of sensors or signal acquisition terminals due to the fixed number, and the acquired number is single, which cannot support more acquisition devices to be accessed when a later operator needs to upgrade a monitoring system. (3) When the number of IO interfaces does not meet the requirement, the conventional method is to connect a plurality of network port controllers in series, and the number of the interfaces is supplemented by adding one network port controller, so that the plurality of network port controllers are cascaded through serial ports, and the communication speed is low and the real-time performance is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem to provide a make things convenient for the interface extension, the net gape controller that read-through speed is high.
The utility model provides a problem, the technical scheme who adopts is:
a network port expansion controller comprises a host, wherein a circuit board is arranged in the host, and comprises an upper integrated circuit board and a lower integrated circuit board; the upper integrated circuit board is provided with a communication module and an A/D sampling module; the lower integrated circuit board is provided with a power module, a storage module and a microprocessor; the upper integrated circuit board and the lower integrated circuit board are electrically connected through pins, and the microprocessor is connected with the power supply module, the storage module, the communication module and the A/D sampling module; the shell consists of a rear shell and a panel, wherein an upper slot and a lower slot which are respectively matched with the upper integrated circuit board and the lower integrated circuit board are arranged in the rear shell; the upper integrated circuit board is inserted in the upper slot, and the outer side of the upper integrated circuit board is provided with an I/O interface, a plurality of communication interfaces and a network port; the lower integrated circuit board is inserted and fixed in the lower slot, and a main CAN bus interface, a debugging interface, a plurality of communication interfaces and a power supply interface are arranged on the outer side of the lower integrated circuit board; the panel is provided with windows corresponding to the interfaces, and the panel is fixedly connected with the rear shell in a clamping way;
the system also comprises a plurality of slave machines, slave machine circuit boards are arranged in the slave machine shell, each slave machine circuit board is provided with at least one auxiliary CAN bus interface and a plurality of I/O expansion ports, and the upper part of the slave machine circuit board is provided with an external memory debugging port, a dial switch, a display screen, a key and a USB interface.
Compared with the prior art, the invention adopting the technical scheme has the beneficial effects that:
1) The utility model discloses an add CAN bus interface on the host computer, make the host computer connect from the machine through the CAN bus, realize interface quantity extension, data communication speed is high. 2) The expander is a simple interface component, the manufacturing cost is far lower than that of the whole host, and compared with the existing scheme of expanding the number of interfaces, the expander can greatly save the cost of expanding the number of interfaces. 3) The slave machine is connected with the slave machine to realize the expansion of an unlimited number of interfaces, supports the access of any sensor, and the upgrading of the monitoring system can not be limited by the interfaces.
Preferably, the master and the slave are connected through a CAN bus. And the infinite extension of the slave is realized.
Preferably, the number of the I/O expansion ports on each slave machine is 20 to 30. The size of the slave is proper, and the slave is matched with the host.
Preferably, the inner walls of the upper slot and the lower slot are provided with heat-conducting insulating films. This scheme guarantees upper and lower circuit board safety, avoids the static injury, guarantees the heat dissipation.
Drawings
FIG. 1 is a diagram of the structure of the main body of the present invention;
FIG. 2 is a diagram of a host internal circuit board;
FIG. 3 is a schematic view of the circuit board mounting within the host housing;
FIG. 4 is a schematic view of a master-slave computer according to the present invention;
fig. 5 is a perspective view of the slave circuit board.
In the figure: 1. a rear housing; 1-1, an upper slot; 1-2, a lower slot; 2. a panel; 3. 4, main CAN bus interface; 5. a network port; 6. a communication interface; 7. a power interface; 8. debugging an interface; 9. an indicator light; 10. an upper integrated circuit board; 11. a lower integrated circuit board; 12. a slave; 13. a dial switch; 14. a screen; 15. pressing a key; 16. a USB interface; 17. I/O expansion port, 18, external memory debugging port.
Detailed Description
The invention will be further described with reference to the following examples, which are intended only for better understanding of the invention and therefore do not limit the scope of the invention.
The utility model provides a net gape extension type controller, it is a terminal equipment who collects data acquisition, transmission, storage, logic control function in an organic whole, can realize inserting different sensors, can cascade simultaneously from the more IO interfaces of extension of machine, solves the single problem of data information acquisition mode. The following is a detailed description of the technical solution of the present invention:
as shown in fig. 1 to 5, a network port expansion controller includes a host, the host includes a housing, the housing includes a rear housing 1 and a panel 2, a circuit board is disposed in the housing, the circuit board is divided into an upper integrated circuit board 10 and a lower integrated circuit board 11, the upper integrated circuit board 10 and the lower integrated circuit board 11 are electrically connected through a pin header, and a communication module and an a/D sampling module are disposed on the upper integrated circuit board 10; the lower integrated circuit board 11 is provided with a power module, a storage module and a microprocessor; the power module is connected with the micro-processing module, the microprocessor is connected with the storage module, the communication module and the A/D sampling module, and the microprocessor processes data from the storage module, the communication module and the A/D sampling module and supplies power to the storage module, the communication module and the A/D sampling module.
An upper slot 1-1 and a lower slot 1-2 which are respectively matched with the upper integrated circuit board 10 and the lower integrated circuit board 11 are arranged in the rear shell; the upper integrated circuit board 10 is inserted into the upper slot 1-1, and is provided with: a communication interface 6, an I/O interface 3 and a network interface 5. Referring to FIG. 2, the I/O interface 3 on the host includes: the two left holes are DO interfaces 3-1, and the five adjacent holes are AI interfaces 3-2; the 232 interface and the 485 interface are arranged beside the I/O interface 3, and the rightmost side of the upper integrated circuit board is provided with a network port 5 for connecting a network cable. The lower integrated circuit board 11 is inserted and fixed in the lower slot 1-2, the outer side of the lower integrated circuit board is provided with a main CAN bus interface 4 and a debugging interface 8, the rest are 232 interfaces and/or 485 interfaces (the appropriate interface types are selected according to requirements), and the rightmost side of the lower integrated circuit board is provided with a power supply interface 7; the panel 2 is provided with windows corresponding to the interfaces, and the panel 2 is clamped and fixed with the rear shell 1.
The utility model discloses still include a plurality of follow machines 12, be equipped with from the machine circuit board in the machine casing of follow machine 12, every is equipped with external memory debugging mouth 18, dial switch 13, display screen 14, button 15 and USB interface 16 from the at least vice CAN bus interface of machine circuit board and a plurality of IO expansion mouth 17 from machine circuit board upper portion.
The utility model discloses the host computer is information processing's core equipment, and most sensor access is responsible for by each machine of following, selects the machine of following 12 of suitable quantity to be in the same place with the host computer combination when the installation, also can add more from machine 12 as required when later stage sensor quantity, kind need expand to realize the monitoring system upgrading. The host and the slave adopt a building block type combined structure, more I/O interfaces can be infinitely expanded for the host, and the network port controller can be accessed to more sensors.
The utility model adopts CAN port to ensure the real-time data acquisition from the computer; the master machine and the slave machines 12 are connected through a CAN bus, and the slave machines are connected through the CAN bus, so that encoders (namely dial switches, display screens and keys) are arranged on the slave machines for setting the ID of each I/O expansion port 17 when the master machine and the slave machines are connected into a system. Compared with the 485/232 bus used in the original field, the CAN bus has the characteristics of high communication rate, easy realization, high cost performance and the like, forms the field bus of the international standard, and has high real-time performance and strong data communication real-time performance among all nodes of the network.
Additionally, the utility model discloses the form of principal and subordinate's quick-witted modularization combination can directly be changed when following the trouble of certain output module in the machine, does not influence the logic control and the normal clear of host computer and other slave machines, realizes the split of online product, convenient maintenance.
The utility model discloses a contact pin formula structure can dispose the optional communication serial ports of 232/485 according to user's demand, satisfies the demand that inserts a plurality of sensors as far as, has solved the single problem of data acquisition.
In the host computer, multiple interface integration is in a circuit board, and the host computer only includes two circuit boards, and backshell and panel adaptation are in last integrated circuit board, lower integrated circuit board size setting, set up compact structure, on the basis of guaranteeing to be multiple functional, furthest has reduced the equipment volume, practices thrift the space.
The utility model discloses the host computer memory connects external memory through the debugging mouth, carries out the diffusion of memory, can insert 64M external storage the most.
The utility model discloses a host computer connects adopts and exempts from to weld waterproof aviation connector connection, dampproofing and waterproofing.
The utility model discloses a net gape communication module specifically can be RJ-45 interface, SC fiber interface, FDDI interface or AUI interface, and the low-power consumption design supports ethernet field communication, guarantees data communication transmission's real-time, reliability.
The utility model discloses carry out data collection, storage and sending according to the parameter that the user set for, the memory space can use the SD card extension.
And the CAN interface is provided with a communication indicator lamp for indicating debugging information and state feedback.
The utility model has the advantages that:
1) The utility model adds CAN bus interface on the host, and connects the host with the slave through CAN bus, so that the data communication speed is high; the network port communication module has the communication advantages of flexible configuration, high expansibility and expandability, high instantaneity and strong anti-interference capability.
2) Each slave machine is equivalent to a plurality of independent modules, the expansion of the number of interfaces is realized, and meanwhile, the product is convenient to split and use, and the output module is infinitely expanded and maintained.
3) The expansion machine is a simple interface component, the manufacturing cost is far lower than that of a host machine, and compared with the mode that the whole equipment can only be increased by increasing the number of interfaces in the prior art, the monitoring cost can be greatly reduced.
4) The slave machine is connected with the slave machine to realize the expansion of an unlimited number of interfaces, supports the access of any sensor, and the upgrading of the monitoring system can not be limited by the interfaces.
5) The utility model discloses compact structure, the appearance is small and exquisite, and interface safety, stability are good. Not only ensures the safety of the cable, but also provides reliable protection, and can be used as an installation accessory
6) The utility model discloses customization logic control function makes its water plant automation, supply and drainage pipe network, the industrial automation in the wide application water conservancy trade to and electric power industry, oil petrochemical industry, municipal industry.
The above description is only a preferred and practical embodiment of the present invention, and is not intended to limit the scope of the present invention, which is intended to be encompassed by the present invention, unless otherwise indicated by the appended claims.
Claims (4)
1. The utility model provides a net gape extension type controller, host computer include the casing, are equipped with circuit board, its characterized in that in the casing: the circuit board comprises an upper integrated circuit board (10) and a lower integrated circuit board (11); the upper integrated circuit board (10) is provided with a communication module and an A/D sampling module; the lower integrated circuit board (11) is provided with a power supply module, a storage module and a microprocessor; the upper integrated circuit board (10) and the lower integrated circuit board (11) are electrically connected through pins, and the microprocessor is connected with the power supply module, the storage module, the communication module and the A/D sampling module; the shell consists of a rear shell (1) and a panel (2), wherein an upper slot (1-1) and a lower slot (1-2) which are respectively matched with an upper integrated circuit board (10) and a lower integrated circuit board (11) are arranged in the rear shell (1); the upper integrated circuit board (10) is inserted into the upper slot (1-1), and the outer side of the upper integrated circuit board is provided with an I/O interface (3), a plurality of communication interfaces (6) and a network port (5); the lower integrated circuit board (11) is inserted and fixed in the lower slot (1-2), and the outer side of the lower integrated circuit board is provided with a main CAN bus interface (4), a debugging interface (8), a plurality of communication interfaces (6) and a power interface (7); the panel (2) is provided with windows corresponding to the interfaces, and the panel (2) is clamped and fixed with the rear shell (1);
the system is characterized by further comprising a plurality of slave machines (12), slave machine circuit boards are arranged in the machine shell of the slave machines (12), each slave machine circuit board is provided with at least one auxiliary CAN bus interface and a plurality of I/O expansion ports (17), and an external memory debugging port (18), a dial switch (13), a display screen (14), a key (15) and a USB interface (16) are arranged on the upper portion of the slave machine circuit board.
2. The portal extension controller of claim 1, wherein: the master machine and the slave machine (12) are connected, and the slave machine (12) are connected through a CAN bus.
3. The portal extension controller of claim 2, wherein: the number of the I/O expansion ports (17) on each slave machine is 20-30.
4. The portal extension controller of claim 1, wherein: the inner walls of the upper slot (1-1) and the lower slot (1-2) are provided with heat-conducting insulating films.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221791247.6U CN217689825U (en) | 2022-07-13 | 2022-07-13 | Network port expansion controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221791247.6U CN217689825U (en) | 2022-07-13 | 2022-07-13 | Network port expansion controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217689825U true CN217689825U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221791247.6U Active CN217689825U (en) | 2022-07-13 | 2022-07-13 | Network port expansion controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217689825U (en) |
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2022
- 2022-07-13 CN CN202221791247.6U patent/CN217689825U/en active Active
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