CN205158346U - Network scanner - Google Patents
Network scanner Download PDFInfo
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- CN205158346U CN205158346U CN201520965767.8U CN201520965767U CN205158346U CN 205158346 U CN205158346 U CN 205158346U CN 201520965767 U CN201520965767 U CN 201520965767U CN 205158346 U CN205158346 U CN 205158346U
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Abstract
The utility model provides a network scanner has such characteristic, include: the ethernet is connected to input RJ45 net gape, ethernet physical layer transceiver chip is connected with the RJ45 net gape, the master operation part, transceiver chip is connected with the ethernet physical layer, receives the data that ethernet physical layer transceiver chip transmitted, from the operational unit, be connected with the master operation parts, by master operation unit control, the receipt comes the data of autonomous manipulation parts, synchronous dynamic RAM) is connected with the follow operational unit, the RS485 chip is connected with the follow operational unit, receives the data since the operational unit, and output RJ45 net gape, be connected with the RS485 chip.
Description
Technical field
The utility model relates to a kind of layout techniques, particularly a kind of network scanner.
Background technology
The existing technology compared with forward position also to the network port, can carry out the management of electronization, but because of its electron device adopted and the restriction of its relevant message transmission rate, gets up to have delay to the network port management that geometry level increases progressively.
Utility model content
The utility model carries out to solve the problem, and it is high that object is to provide a kind of message transmission rate, manages to the network port that geometry level increases progressively the network scanner not having to postpone.
The network scanner that the utility model provides, has such feature, comprising: input RJ45 network interface, connects Ethernet; Ethernet physical layer transceiving chip, is connected with RJ45 network interface; Main operating parts, is connected with ethernet physical layer transceiving chip, receives the data that ethernet physical layer transceiving chip transmits; From functional unit, be connected with main operating parts, controlled by main operating parts, receive the data from main operating parts; Synchronous DRAM, is connected with from functional unit; RS485 chip, is connected with from functional unit, receives the data since functional unit; And export RJ45 network interface, be connected with RS485 chip.
The network scanner that the utility model provides, also has such feature, comprising: liquid crystal display, be connected with main operating parts.
The network scanner that the utility model provides, also has such feature, comprising: key panel, be connected with main operating parts.
The network scanner that the utility model provides, also has such feature, comprising: PSE charger, is connected with output RJ45 network interface.
The network scanner that the utility model provides, also there is such feature: wherein, main operating parts with to be inputted from functional unit by main frame export (MISO) from machine, main frame export from machine input (MOSI) carry out Frame transmission.
The network scanner that utility model provides, also has such feature: wherein, from functional unit with send data to RS485 chip by universal synchronous/asynchronous receiving-transmitting register (USART).
Utility model effect
Network scanner involved by the utility model, adopt 32 ARM framework controllers, control from functional unit with main operating parts, SPI full-duplex communication is adopted between master-slave operation parts, speed quickly, and be connected from functional unit with RS485 chip, adopt universal synchronous/asynchronous receiving-transmitting register (USART) communication mode, long transmission distance, solve the problem of foregoing circuit design delay and supervising the network port number, scanner inside meets the PSE charger of IEEE802.3af standard in addition, externally receiving end equipment PD powers, save additional power source and power lead.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model network scanner in an embodiment.
Embodiment
Referring to drawings and Examples, the network scanner involved by the utility model is explained in detail.
Fig. 1 is the structured flowchart of the utility model network scanner in an embodiment.
As shown in Figure 1, network scanner has: input RJ45 network interface 1, ethernet physical layer transceiving chip 2, main operating parts 3, from functional unit 4, synchronous DRAM 5, liquid crystal display 6, key panel 7, RS485 chip 8, export RJ45 network interface 9 and PSE charger 10.
Input RJ45 network interface 1 connects Ethernet.
Ethernet physical layer transceiving chip 2 is connected with RJ45 network interface 1.
Main operating parts 3 is connected with ethernet physical layer transceiving chip 2, receives the data that ethernet physical layer transceiving chip 2 transmits.
Be connected with main operating parts 3 from functional unit 4, controlled by main operating parts 3, receive the data from main operating parts 3.
Main operating parts 3 with to be inputted from functional unit 4 by main frame export (MISO) from machine, main frame export from machine input (MOSI) carry out Frame transmission.
Synchronous DRAM 5 is connected with from functional unit 4.
Liquid crystal display 6 adopts RGB liquid crystal display, is connected with main operating parts.
Key panel 7 adopts fexible film button, and sensitivity is high, is connected with main operating parts.
RS485 chip 8 is connected with from functional unit 4, receives from the described data from functional unit.
From functional unit 4 with send data to RS485 chip 8 by universal synchronous/asynchronous receiving-transmitting register (USART).
Exporting RJ45 network interface 9 is tetrad RJ45 network interface, is connected, can connects four other equipment simultaneously with RS485 chip 8.
PSE charger 10 is connected with output RJ45 network interface 9, for whole network scanner provides electric energy, eliminates the worry finding external power supply.
The main operating parts 3 of network scanner inside receives the data that ethernet physical layer transceiving chip 2 transmits, at this moment main operating parts 3 can before serial data starts, drive and select signal enable line (SSEL) from machine, one of them is made to be effective status from machine, at this moment the clock signal of SCLK serial time clock line transmitting synchronous data, driven by main operating parts 3, what communicate with it receives from functional unit 4, the validity of its clock signal and phase place export after phase bits programmes and set by the clock output polarity position of the synchronous serial port controller (SSP) of main operating parts 3 and clock.Main operating parts 3 and being inputted by main frame from functional unit 4 of choosing export (MISO) from machine, main frame export from machine input (MOSI) carry out Frame transmission, by export state that phase bits sets at clock output polarity position and clock under, export from machine output line, main frame the programming carrying out forms data frame or continuous data frame from the sequential chart of machine input line according to serial time clock line, data-frame sync line, main frame input.
Receive the data of main operating parts 3 from functional unit 4 after, by universal synchronous/asynchronous receiving-transmitting register (USART), data are sent to RS485 chip 8, after RS485 chip 8 receives data, pin is sent by two single data, pass the signal on two stitch of the output RJ45 network interface 9 be attached thereto, by netting twine, data are sent.
The effect of embodiment and effect
Network scanner involved by the present embodiment, adopt 32 ARM framework controllers, control from functional unit with main operating parts, SPI full-duplex communication is adopted between master-slave operation parts, speed quickly, and be connected from functional unit with RS485 chip, adopt universal synchronous/asynchronous receiving-transmitting register (USART) communication mode, long transmission distance, solve the problem of foregoing circuit design delay and supervising the network port number, scanner inside meets the PSE charger of IEEE802.3af standard in addition, externally receiving end equipment PD powers, save additional power source and power lead.
Above-mentioned embodiment is preferred case of the present utility model, is not used for limiting protection domain of the present utility model.
Claims (6)
1. a network scanner, is characterized in that, comprising:
Input RJ45 network interface, connects Ethernet;
Ethernet physical layer transceiving chip, is connected with described RJ45 network interface;
Main operating parts, is connected with described ethernet physical layer transceiving chip, receives the data that described ethernet physical layer transceiving chip transmits;
From functional unit, be connected with described main operating parts, controlled by described main operating parts, receive the data from described main operating parts;
Synchronous DRAM, is connected from functional unit with described;
RS485 chip, is connected from functional unit with described, receives from the described data from functional unit; And
Export RJ45 network interface, be connected with described RS485 chip.
2. network scanner according to claim 1, is characterized in that, also comprises:
Liquid crystal display, is connected with described main operating parts.
3. network scanner according to claim 1, is characterized in that, also comprises:
Key panel, is connected with described main operating parts.
4. network scanner according to claim 1, is characterized in that, also comprises:
PSE charger, is connected with the described RJ45 network interface that exports.
5. network scanner according to claim 1, is characterized in that:
Wherein, described main operating parts and described to be inputted from functional unit by main frame export (MISO) from machine, main frame exports and inputs from machine the transmission that (MOSI) carries out Frame.
6. network scanner according to claim 1, is characterized in that:
Wherein, described from functional unit with send data to described RS485 chip by universal synchronous/asynchronous receiving-transmitting register (USART).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520965767.8U CN205158346U (en) | 2015-11-26 | 2015-11-26 | Network scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520965767.8U CN205158346U (en) | 2015-11-26 | 2015-11-26 | Network scanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205158346U true CN205158346U (en) | 2016-04-13 |
Family
ID=55694016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520965767.8U Expired - Fee Related CN205158346U (en) | 2015-11-26 | 2015-11-26 | Network scanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205158346U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105404601A (en) * | 2015-11-26 | 2016-03-16 | 普天线缆集团(上海)楼宇智能有限公司 | Intelligent network scanner |
-
2015
- 2015-11-26 CN CN201520965767.8U patent/CN205158346U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105404601A (en) * | 2015-11-26 | 2016-03-16 | 普天线缆集团(上海)楼宇智能有限公司 | Intelligent network scanner |
| CN105404601B (en) * | 2015-11-26 | 2019-10-11 | 普天线缆集团(上海)楼宇智能有限公司 | Intelligent network scanner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20171126 |