CN213367807U - Human-computer interface device and system based on POE - Google Patents
Human-computer interface device and system based on POE Download PDFInfo
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- CN213367807U CN213367807U CN202021469150.4U CN202021469150U CN213367807U CN 213367807 U CN213367807 U CN 213367807U CN 202021469150 U CN202021469150 U CN 202021469150U CN 213367807 U CN213367807 U CN 213367807U
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Abstract
The utility model discloses a human-computer interface device and system based on POE. POE-based human-computer interface device includes first POE module and first ethernet interface, first POE module passes through in proper order first ethernet interface, net twine are connected with POE power supply unit, in order to follow POE power supply unit acquires DC power supply. Wherein, owing to integrateed first POE module in human-computer interface device, can be through utilizing original ethernet interface in the device to obtain the power that the device work needs from POE power supply unit, need not independent configuration power source, power connecting wire and external power module, reduced the production and the application cost of product.
Description
Technical Field
The utility model relates to the field of electronic technology, especially, relate to a human-computer interface device and system based on POE.
Background
The Human Machine Interface (HMI) is a medium for interaction and information exchange between a system and a user, and is a device integrated with a display function, a touch input function, a key input function and a communication Interface (such as ethernet, RS232, RS485, CAN and the like), and information interaction between the user and a main control device CAN be realized through the HMI.
When the existing HMI is communicated with the main control equipment through a communication interface, an independent power supply module needs to be equipped for supplying power to the HMI. The power supply mode needs an independent power interface, a power connecting wire and an external power module. Among other things, the power interface needs to occupy a port of the HMI enclosure and the peripheral power modules are costly, resulting in high production and application costs for the HMI product.
The above is only for the purpose of assisting understanding of the technical solutions of the present invention, and does not represent an admission that the above is the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a human-computer interface device and system based on POE aims at solving the production that human-computer interface device needs independent power supply to lead to the product among the prior art and uses with high costs technical problem.
In order to achieve the above object, the utility model provides a human-computer interface device based on POE, human-computer interface device based on POE includes:
first POE module and first ethernet interface, first POE module passes through in proper order first ethernet interface, net twine are connected with POE power supply unit, in order to follow POE power supply unit acquires DC power supply.
Preferably, the POE power supply device includes a second POE module and a second ethernet interface, and the first ethernet interface passes through the network cable, the second ethernet interface and the second POE module in sequence.
Preferably, the first POE module is connected to the second POE module through the first ethernet interface, two pairs of idle wires in the network cable, and the second ethernet interface in sequence.
Preferably, the first POE module is connected to the second POE module through the first ethernet interface, two pairs of data lines in the network line, and the second ethernet interface in sequence.
Preferably, a dc converter is arranged in the first POE module, and the dc converter is configured to rectify and convert the dc power supply and then supply power to the POE-based human-computer interface device.
Preferably, the POE charging system further comprises a dc converter, and the dc converter is connected to the first POE module.
The utility model discloses still provide a human-computer interface system based on POE, human-computer interface system based on POE includes POE power supply unit and as above human-computer interface device based on POE.
Preferably, POE power supply unit is master control equipment, master control equipment includes second POE module, second ethernet interface and power supply, power supply passes through in proper order the second POE module second ethernet interface, net twine first ethernet interface with first POE module is connected.
Preferably, POE power supply unit is the router, the router includes second POE module and second ethernet interface, second POE module passes through in proper order second ethernet interface, net twine with first ethernet interface connection.
Preferably, the master control equipment is internally provided with a power supply, and the power supply is connected with the second POE module.
The utility model discloses a set up in POE based human-computer interface device, first POE module and first ethernet interface, first POE module passes through in proper order first ethernet interface, net twine are connected with POE power supply unit, with the follow POE power supply unit acquires DC power supply. Wherein, owing to integrateed first POE module in human-computer interface device, can be through utilizing original ethernet interface in the device to obtain the power that the device work needs from POE power supply unit, need not independent configuration power source, power connecting wire and external power module, reduced the production and the application cost of product.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a functional block diagram of an embodiment of the POE-based human-computer interface device of the present invention;
fig. 2 is a schematic diagram of an alternative configuration of the POE-based human-machine interface device of fig. 1;
fig. 3 is an optional schematic structural diagram of the POE-based human-computer interface system of the present invention;
fig. 4 is another optional schematic structural diagram of the POE-based human-computer interface system of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | HMI | 121 | |
| 20 | POE |
210 | Second Ethernet |
| 110 | First Ethernet |
220 | |
| 120 | |
230 | Power supply |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a human-computer interface device based on POE.
Referring to fig. 1, in an embodiment, the POE-based human-computer interface device 10 includes a first POE module 120 and a first ethernet interface 110, where the first POE module 120 is connected to a POE power supply device 20 through the first ethernet interface 110 and a network cable in sequence, so as to obtain a dc power supply from the POE power supply device 20.
It should be noted that Power Over Ethernet (POE) refers to a technology that, without any modification to the existing wiring infrastructure based on cat.5 (or above) Ethernet, transmits data signals to some IP-based terminals and simultaneously provides direct current Power supply for such devices through Ethernet lines.
It should be understood that the POE power supply device refers to a power supply end device, such as a main control device, a router, and the like, which has a POE function and can provide a dc power source. A POE-based human-machine interface device (hereinafter abbreviated as HMI) is a power receiving end device that receives a dc power supply, and needs to obtain a dc power supply required for operation from a power supply end device.
Presently, most HMIs support ethernet interfaces, and thus, the first ethernet interface 110 may be an ethernet interface onboard the HMI 10. The HMI10 obtains direct current power supplies of other equipment through the first Ethernet interface 110, a power supply interface does not need to be independently arranged on the outer shell of the HMI10, and a power supply device of independent equipment of the HMI10 is not needed, so that the design cost of the HMI10 is reduced.
Further, POE power supply equipment 20 includes second POE module 220 and second ethernet interface 210, first ethernet interface 110 passes through in proper order the net twine, second ethernet interface 210 with second POE module 220 is connected.
In a specific implementation, the first POE module 120 is connected to the first ethernet interface 110, the first ethernet interface 110 is connected to the second ethernet interface 210 through a network cable, and the second ethernet interface 210 is connected to the second POE module 220. Because ethernet interface can simultaneous transmission communication signal and power signal, only can realize communication and power supply between POE power supply unit 20 and the HMI10 through a net twine in this embodiment, do not need the power cord in traditional HMI10, not only the product design is pleasing to the eye, and convenient to use has also reduced the wiring degree of difficulty.
It should be noted that the HMI10 implements the purpose of obtaining power from the ethernet port by integrating POE technology, and applies a dc voltage (generally between 44V and 57V, for example, 48V) to a network line connected to the ethernet port through the POE power supply device 20. And the network cable includes two pairs of idle lines and two pairs of data lines. Therefore, the POE power supply device 20 and the HMI10 can be connected by using an intermediate cross method and an end cross method. The intermediate cross-connection method is to transmit the DC power by using two pairs of idle wires in the network cable, and the terminal cross-connection method is to transmit the DC power by using two pairs of data wires in the network cable.
Specifically, the intermediate crossing method adopts a first POE module 120 to sequentially connect to the second POE module 220 through the first ethernet interface 110, two pairs of idle wires in the network cable, and the second ethernet interface 210.
The end-to-end cross-connect method uses the first POE module 120 to sequentially connect to the second POE module 220 through the first ethernet interface 110, two pairs of data lines in the network lines, and the second ethernet interface 210.
The utility model discloses a set up in POE based human-computer interface device, first POE module and first ethernet interface, first POE module passes through in proper order first ethernet interface, net twine are connected with POE power supply unit, with the follow POE power supply unit acquires DC power supply. Wherein, owing to integrateed first POE module in human-computer interface device, can be through utilizing original ethernet interface in the device to obtain the power that the device work needs from POE power supply unit, need not independent configuration power source, power connecting wire and external power module, reduced the production and the application cost of product.
Referring to fig. 2, fig. 2 is a schematic diagram illustrating an alternative structure of the POE-based human-machine interface device.
In this embodiment, a dc converter 121 is built in the first POE module 120, and the dc converter 121 is configured to rectify and convert the dc power and then supply power to the POE-based human-computer interface device. Of course, in another embodiment, the dc converter 121 may also be disposed in the HMI10, and the dc converter 121 is connected to the first POE module 120, besides the first POE module 120.
It can be understood that when the existing HMI uses the external power supply module to supply power, different HMI require different power supply modules, for example, the power supply voltage of the existing HMI has different specifications such as DC5V, DC24V, DC36V, and the like, and it is very inconvenient to select different external power supply modules for different HMI.
In this embodiment, only the direct current converter 121 needs to be configured in the HMI10, and when the first POE module 120 acquires the direct current power supply, the direct current power supply is rectified by the bridge rectifier or the MOS tube group through the direct current converter 121, and then DC/DC voltage conversion is performed, so that the voltage required by the HMI10 can be obtained.
This embodiment can carry out rectification and voltage transformation with the DC power supply who obtains from POE power supply unit through set up DC converter in HMI and handle, obtains the voltage that HMI work needs, ensures HMI's normal operating, has avoided selecting the external power module of different specifications simultaneously, has improved the user experience of product.
The utility model also provides a human-computer interface system based on POE, human-computer interface system based on POE includes POE power supply unit and as above human-computer interface device based on POE, the structure of human-computer interface device based on POE of human-computer interface system based on POE can refer to above-mentioned embodiment, and no longer give unnecessary details here; it can be understood that, because the POE-based human-computer interface system of this embodiment adopts the technical scheme of the POE-based human-computer interface device, the POE-based human-computer interface device has all the above beneficial effects.
It should be understood that the POE power supply device may be a main control device, a router, or the like, which has POE functions, and this embodiment is not limited thereto.
Please refer to fig. 3, fig. 3 is a schematic diagram of an optional structure of the POE-based human-computer interface system of the present invention.
In this embodiment, POE power supply unit 20 is master control equipment, master control equipment includes second POE module 220, second ethernet interface 210 and power supply 230, power supply 230 passes through in proper order second POE module 220 second ethernet interface 210, net twine first ethernet interface 110 with first POE module 120 is connected.
It should be understood that the main control device refers to a POE-enabled device controlling the HMI, and the power supply 230 is used for providing a dc power supply to the main control device and the HMI. After receiving the dc power provided by the power supply 230, the first POE module 120 processes the dc power through the dc converter 121, and obtains the power required by the HMI10 for operation.
This embodiment utilizes original power supply in the main control equipment to supply power for HMI through main control equipment as POE power supply equipment, has avoided using external power module, has practiced thrift the manufacturing cost of product.
Please refer to fig. 4, fig. 4 is a schematic diagram of another optional structure of the POE-based human-computer interface system of the present invention.
In this embodiment, POE power supply equipment 20 is a router, the router includes second POE module 220 and second ethernet interface 210, second POE module 220 passes through in proper order second ethernet interface 210, net twine and first ethernet interface 110 is connected. A power supply (not shown) is arranged in the main control device, and the power supply is connected with the second POE module 220.
It should be appreciated that when the master device of HMI10 is not POE enabled, a POE enabled router may be used. The router obtains a direct current power supply from the power supply 230 of the main control device through the Ethernet port, and then transmits the direct current power supply to the HMI10 through a network cable, so that the power supply of the HMI10 is realized.
This embodiment passes through the router as POE power supply unit, and when master control equipment did not possess the POE function, the router that adopts to possess the POE function acquires master control equipment's direct current power supply after, transmits to HMI in, has ensured HMI's normal work, has expanded HMI's application scene, has promoted the user experience of product.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a human-computer interface device based on POE, its characterized in that, includes a POE module and a ethernet interface, a POE module passes through in proper order first ethernet interface, net twine are connected with POE power supply unit, in order to follow POE power supply unit acquires DC power supply.
2. The POE-based human-computer interface device according to claim 1, wherein the POE power supply device includes a second POE module and a second ethernet interface, and the first ethernet interface is connected to the second POE module via the network cable and the second ethernet interface in sequence.
3. The POE-based human-computer interface device according to claim 2, wherein the first POE module is connected to the second POE module via the first ethernet interface, two pairs of idle wires in the network cable, and the second ethernet interface in this order.
4. The POE-based human-computer interface device according to claim 2, wherein the first POE module is connected to the second POE module via the first ethernet interface, two pairs of data lines in the network lines, and the second ethernet interface in sequence.
5. The POE-based human-computer interface device as claimed in any one of claims 1 to 4, wherein a DC converter is built in the first POE module, and the DC converter is configured to rectify and convert the DC power and then supply power to the POE-based human-computer interface device.
6. The POE-based human-computer interface device of any one of claims 1-4, further comprising a DC converter, wherein the DC converter is connected to the first POE module.
7. A POE-based human-computer interface system, which is characterized by comprising POE power supply equipment and the POE-based human-computer interface device as claimed in any one of claims 1 to 6.
8. The POE-based human-computer interface system according to claim 7, wherein the POE power supply device is a master device, the master device includes a second POE module, a second ethernet interface, and a power supply source, and the power supply source is connected to the first POE module via the second POE module, the second ethernet interface, a network cable, and the first ethernet interface in sequence.
9. The POE-based human-computer interface system according to claim 8, wherein the POE power supply device is a router, and the router includes a second POE module and a second ethernet interface, and the second POE module is connected to the first ethernet interface via the second ethernet interface and a network cable in sequence.
10. The POE-based human-computer interface system of claim 9, wherein a power supply is built in the master device, and the power supply is connected to the second POE module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021469150.4U CN213367807U (en) | 2020-07-22 | 2020-07-22 | Human-computer interface device and system based on POE |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021469150.4U CN213367807U (en) | 2020-07-22 | 2020-07-22 | Human-computer interface device and system based on POE |
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| CN213367807U true CN213367807U (en) | 2021-06-04 |
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| CN202021469150.4U Active CN213367807U (en) | 2020-07-22 | 2020-07-22 | Human-computer interface device and system based on POE |
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