CN104085750A - Digital floor indicator - Google Patents
Digital floor indicator Download PDFInfo
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- CN104085750A CN104085750A CN201410301204.9A CN201410301204A CN104085750A CN 104085750 A CN104085750 A CN 104085750A CN 201410301204 A CN201410301204 A CN 201410301204A CN 104085750 A CN104085750 A CN 104085750A
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- microprocessor
- ethernet controller
- exchanger chip
- floor indicator
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- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The invention discloses a digital floor indicator which comprises a sensor interface, a microprocessor, an Ethernet controller, an exchanger chip, a power source, a camera network interface and a digital video recorder network interface. The microprocessor is connected with a sensor interface, the Ethernet controller is connected with the microprocessor, the exchanger chip is connected with the Ethernet controller, the power source is respectively connected with the microprocessor the Ethernet controller and the exchanger chip, the power source supplies power to the microprocessor, the Ethernet controller and the exchanger chip, the camera network interface is connected with the exchanger chip, and the digital video recorder network interface is connected with the exchanger chip. According to the technical scheme, the digital floor indicator which is high in definition and in interference resisting capability is manufactured. According to the digital floor indicator, characters can be superimposed on a digital network camera, and a digital video monitoring system has the advantages of being high in definition, high in interference resisting capability, good in confidentiality and the like.
Description
Technical field
The present invention relates to floor indicator, particularly a kind of digital floor indicator.
Background technology
Video monitoring system is divided into analog video monitored control system and digital video monitor system, and application scenario is very extensive, and video monitoring system involved in the present invention only limits to Elevator Video Surveillance System.
Analog video monitored control system comprises analog video camera, floor indicator (aobvious hereinafter to be referred as building), trailing cable, digital hard disc video recorder (DVR) etc.
Analog video camera is for gathering the image of elevator; Building is aobvious is automatically to gather floor information, and the character of demonstration is superimposed in analog video camera vision signal.The aobvious basic comprising in building comprises floor information pick-up transducers, microprocessor, character overlap chip, power supply and interface circuit etc.; Trailing cable is for transmission of video information, and the aobvious and pick up camera power supply to building; Digital hard disc video recorder is for storage or replay image.
The shortcoming such as analog video monitored control system visibility is low, poor anti jamming capability, confidentiality are poor, along with the development in epoch, is just progressively replaced by digital video monitor system now.
Simulation building is aobvious, and character cannot to be superimposed on to numeric type web camera (being called for short IPC) upper, not yet finds that there is at present that to be applicable to IPC building aobvious.Therefore under this application scenario of elevator, restricted use digital video monitor system.
Summary of the invention
In order to address the above problem, the invention provides the digital floor indicator that a kind of visibility is high, antijamming capability is strong.
A kind of digital floor indicator in the present invention, comprises
Sensor interface, gathers floor information for connecting outside sensor;
Microprocessor, described microprocessor connecting sensor interface, for the processing of data;
Ethernet controller, described ethernet controller connects microprocessor, for sending network data;
Exchanger chip, described exchanger chip connects ethernet controller, for realizing several equipment connections with network interface in same local area network;
Power supply, described power supply is connected with microprocessor, ethernet controller, exchanger chip respectively, and described power supply is to microprocessor, ethernet controller, exchanger chip power supply;
Camera network interface, described camera network interface is connected with exchanger chip, for connecting outside pick up camera;
Digital hard disc video recorder network interface, described digital hard disc video recorder network interface is connected with exchanger chip, for connecting outside digital hard disc video recorder.
In such scheme, described microprocessor is ARM.
In such scheme, described microprocessor is STM32.The advantage of Cortex should be the combination of low-power consumption, low cost, High Performance (or 2).
In such scheme, described ethernet controller model is ENC28J60.
In such scheme, described exchanger chip model is RTL8306M.
In such scheme, described digital floor indicator is aluminum alloy numeral floor indicator.
Advantage of the present invention and beneficial effect are: the invention provides the digital floor indicator that a kind of visibility is high, antijamming capability is strong.It is upper that numeral floor indicator can be superimposed on character IPC, the advantages such as digital video monitor system visibility is high, antijamming capability strong, good confidentiality.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the principle schematic of a kind of digital floor indicator of the present invention;
Fig. 2 is the use schematic diagram of digital floor indicator in elevator.
In figure: 1, sensor interface 2, microprocessor 3, ethernet controller 4, exchanger chip
5, power supply 6, camera network interface 7, digital hard disc video recorder network interface
8, pick up camera 9, photoelectric switch 10, anti-dazzle device 11, car interlayer
12, digital floor indicator
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.Following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.
Embodiment mono-:
As shown in Figure 1, the present invention is a kind of digital floor indicator, comprises
Sensor interface 1, gathers floor information for connecting outside sensor;
Microprocessor 2, microprocessor 2 connecting sensor interfaces 1, for the processing of data;
Ethernet controller 3, ethernet controller 3 connects microprocessor 2, for sending network data;
Exchanger chip 4, exchanger chip 4 connects ethernet controller 3, for realizing several equipment connections with network interface in same local area network;
Power supply 5, power supply 5 is connected with microprocessor 2, ethernet controller 3, exchanger chip 4 respectively, and power supply is to microprocessor 2, ethernet controller 3, exchanger chip 4 power supplies;
Camera network interface 6, camera network interface 6 is connected with exchanger chip 4, for connecting outside pick up camera;
Digital hard disc video recorder network interface 7, digital hard disc video recorder network interface 7 is connected with exchanger chip 4, for connecting outside digital hard disc video recorder.
Wherein, microprocessor 2 is ARM, and the model of employing is STM32.Ethernet controller 3 models are ENC28J60, and exchanger chip 4 models are RTL8306M.
STM32 series is based on aiming at the custom-designed ARM Cortex-M3 of the Embedded Application kernel that requires High Performance, low cost, low-power consumption.By performance, be divided into two different series: STM32F103 " enhancement mode " series and STM32F101 " basical traditional model " series.Enhancement mode series clock frequency reaches 72MHz, is the highest product of like product performance; Basical traditional model clock frequency is 36MHz, with the price of 16 products, obtains the performance significantly promoting than 16 products, is the optimal selection of 16 product users.All built-in 32K is to the flash memory of 128K for two series, and different is the combination of maximum capacity and the Peripheral Interface of SRAM.During clock frequency 72MHz, from flash memory run time version, STM32 power consumption 36mA, is product least in power-consuming on 32 markets, is equivalent to 0.5mA/MHz.The advantage of Cortex should be the combination of low-power consumption, low cost, High Performance (or 2).
ENC28J60 is the independent ethernet controller with industry standard Serial Peripheral Interface (SPI) (Serial Peripheral Interface, SPI).It can be used as the Ethernet interface of the controller of any SPI of being equipped with.ENC28J60 meets whole standards of IEEE802.3, has adopted a series of packet filtering mechanism to limit importing data packet into.It also provides an inner dma module, and to realize, rapid data is handled up and IP verification and the calculating of hardware supported.Realize by two interrupt pin and SPI with communicating by letter of master controller.Two special-purpose pins are used for connecting LED, carry out the indication of network activity state.
The principal feature of ENC28J60 has: the ethernet controller of compatible IEEE802.3 agreement, integrated MAC and 10base-T Physical layer, support full and half duplex pattern, automatic repeating transmission able to programme during data collision, SPI interface rate can reach 10Mbps, 8K digital received and sent two-port RAM, the inside dma controller that provides rapid data to move, configurable reception and transmission buffer size, two LED outputs able to programme, with two interrupt pin of 7 interrupt sources, Transistor-Transistor Logic level input, provides multiple encapsulation: SOIC/SSOP/SPDIP/QFN etc.
Numeral floor indicator is aluminum alloy numeral floor indicator, there is power input interface (POW), indicator lamp (POW, RUN, NET1, NET2), camera network interface (NET1) and digital hard disc video recorder (being called for short NVR) network interface (NET2) in front, and rear panel has parameter/configuration interface (Progarm), sensor interface, camera power supply output interface.
As shown in Figure 2, digital floor indicator 12 is arranged in elevator, is connected with pick up camera 8.Pick up camera is web camera.Numeral floor indicator 12 is also connected with photoelectric switch 9, after photoelectric switch 9 is located at anti-dazzle device 10.Said apparatus is arranged at car interlayer 11 tops.
Use the principle of work of digital floor indicator to be: 1, lift sensor gathers elevator up-down information, 2, microprocessor calculates floor number, 3, microprocessor sends floor data to IPC by netting twine by ethernet controller, exchanger chip, 4, IPC receives after floor information and upgrades and show, 5, video data stream sends NVR to by trailing cable and show and store.
Embodiment bis-:
Also can send Data Control IPC to reach floor Presentation Function by 485 buses, but only have few IPC to possess 485 bus interface, so the IPC kind that this scheme can be controlled is limited.Particularly in elevator, generally use semi-spherical camera, it is more rare that such pick up camera possesses 485 bus interface.
By network cable transmission Data Control network digital pick up camera to realize floor Presentation Function, by network cable transmission Data Control network digital pick up camera to realize character overlaying function.It is upper that numeral floor indicator can be superimposed on character IPC, the advantages such as digital video monitor system visibility is high, antijamming capability strong, good confidentiality.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a digital floor indicator, is characterized in that, comprises
Sensor interface, gathers floor information for connecting outside sensor;
Microprocessor, described microprocessor connecting sensor interface, for the processing of data;
Ethernet controller, described ethernet controller connects microprocessor, for sending network data;
Exchanger chip, described exchanger chip connects ethernet controller, for realizing several equipment connections with network interface in same local area network;
Power supply, described power supply is connected with microprocessor, ethernet controller, exchanger chip respectively, and described power supply is to microprocessor, ethernet controller, exchanger chip power supply;
Camera network interface, described camera network interface is connected with exchanger chip, for connecting outside pick up camera;
Digital hard disc video recorder network interface, described digital hard disc video recorder network interface is connected with exchanger chip, for connecting outside digital hard disc video recorder.
2. a kind of digital floor indicator according to claim 1, is characterized in that, described microprocessor is ARM.
3. a kind of digital floor indicator according to claim 2, is characterized in that, described microprocessor is STM32.
4. a kind of digital floor indicator according to claim 1, is characterized in that, described ethernet controller model is ENC28J60.
5. a kind of digital floor indicator according to claim 1, is characterized in that, described exchanger chip model is RTL8306M.
6. a kind of digital floor indicator according to claim 1, is characterized in that, described digital floor indicator is aluminum alloy numeral floor indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410301204.9A CN104085750A (en) | 2014-06-27 | 2014-06-27 | Digital floor indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410301204.9A CN104085750A (en) | 2014-06-27 | 2014-06-27 | Digital floor indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104085750A true CN104085750A (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410301204.9A Pending CN104085750A (en) | 2014-06-27 | 2014-06-27 | Digital floor indicator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106144815A (en) * | 2015-04-08 | 2016-11-23 | 南京化工职业技术学院 | Novel elevator special screen display controller based on STM32 chip |
| CN108647000A (en) * | 2018-05-08 | 2018-10-12 | 江苏威尔曼科技有限公司 | A kind of new function Bluetooth wireless communication modification floor indicator |
-
2014
- 2014-06-27 CN CN201410301204.9A patent/CN104085750A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106144815A (en) * | 2015-04-08 | 2016-11-23 | 南京化工职业技术学院 | Novel elevator special screen display controller based on STM32 chip |
| CN108647000A (en) * | 2018-05-08 | 2018-10-12 | 江苏威尔曼科技有限公司 | A kind of new function Bluetooth wireless communication modification floor indicator |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141008 |
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| RJ01 | Rejection of invention patent application after publication |