CN204859208U - A intelligent gateway that is used for office buildings power consumption information acquisition and energy -saving control system - Google Patents
A intelligent gateway that is used for office buildings power consumption information acquisition and energy -saving control system Download PDFInfo
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- CN204859208U CN204859208U CN201520584050.9U CN201520584050U CN204859208U CN 204859208 U CN204859208 U CN 204859208U CN 201520584050 U CN201520584050 U CN 201520584050U CN 204859208 U CN204859208 U CN 204859208U
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Abstract
The utility model discloses an intelligent gateway that is used for office buildings power consumption information acquisition and energy -saving control system, include: wireless transceiver module, microcontroller module and network interface module, network interface module and ethernet communication are passed through to wireless transceiver module and microcontroller module, microcontroller module, the multi -functional mu P control chip that the microcontroller module includes the singlechip and communicates with it, wireless transceiver module includes wireless zigBee module, and the model is WLT -24XXZ's chip, the three port of wireless zigBee module is resistance and emitting diode ground connection through establishing ties mutually respectively. The utility model relates to an intelligent gateway interference killing feature is strong, and transmission efficiency is high, plays the effect of information transmission pivot in office buildings power consumption information acquisition and energy -saving control system.
Description
Technical field
The utility model relates to for the intelligent gateway of office buildings power information collection with energy-saving control system.
Background technology
Along with the raising of living standards of the people, building energy consumption will present the trend continuing to increase rapidly, and the energy resources supply of aggravation China and the contradiction of socio-economic development, finally cause the energy shortage of the whole society.Reduce building energy consumption; implement building energy conservation; for promotion energy resources saving and Appropriate application; alleviate the energy supply of China and the contradiction of socio-economic development; having very important effect, is also the Important Action ensureing national resources security, protection of the environment, raising people quality of life, implement scientific view of development.Therefore, how to reduce building energy consumption, improve efficiency of energy utilization, implementing building energy conservation, is the key subjects that China's sustainable development is is urgently researched and solved.
Learn according to the energy-conservation annual developmental research report of Chinese architecture: China's building energy consumption accounts for 18.8% of social total energy consumption, and along with the fast development of China's economy, the problem of government offices' office building and large public building high energy consumption becomes increasingly conspicuous.At present, China every year completion construction area is about 2,000,000,000 square metres, and wherein public building about has 400,000,000 square metres.The large public building area of more than 20000 square metres accounts for the ratio of town building area less than 4%, but energy consumption but accounts for more than 20% of building energy consumption, 10 to 15 times of wherein unit are power consumption common private residence especially.
The intelligent power technology of China is the important component part of building strong intelligent grid, its core realizes Intelligent Service exactly, meet user's multiple demand, realize that supply of electric power is reliable and stable, economic security, build flow of power between electrical network and client, information flow, Business Stream real-time interactive novel for electricity consumption relation.Change user by energy mode, promote energy-saving and emission-reduction, improve the clean proportion of electric energy in final energy consumption.Therefore, the quality of intelligent power construction is directly connected to the energy use efficiency of electrical network, economical operation and ordered electric.
Present building intelligent Based Intelligent Control is two kinds of situations mainly: one is that Based Intelligent Control arrives Building Power Distribution case or floor distribution box, can not control to each socket, switch in each room; Although can control switch each in room another kind of, can only be called intelligent domestic system, towards domestic. applications, be not for building master control.Existing building intelligent controls accurate not, can not meet existing requirement, also needs a kind ofly novel to gather the intelligent gateway with energy-saving control system for office buildings power information simultaneously.
Utility model content
For solving the deficiency that prior art exists, the utility model discloses and gather the intelligent gateway with energy-saving control system for office buildings power information, this intelligent gateway antijamming capability is strong, and transmittability is strong, the accuracy of the transmission of the information be conducive to and real-time.
For achieving the above object, concrete scheme of the present utility model is as follows:
The intelligent gateway with energy-saving control system is gathered for office buildings power information, comprise: radio receiving transmitting module, micro controller module and Network Interface Module, described radio receiving transmitting module and micro controller module, micro controller module by Network Interface Module and ethernet communication, the multi-functional μ P monitoring chip that described micro controller module comprises single-chip microcomputer and communicates with it;
Described radio receiving transmitting module comprises wireless ZigBee module, and model is the chip of WLT-24XXZ, and three ports of described wireless ZigBee module are respectively by the resistance be in series and light-emitting diode ground connection.
Described Network Interface Module is made up of single supply physical layer transceiver and network socket transformer.
Described intelligent gateway is also connected with power module, described power module comprises power conversion chip, one end of power conversion chip is connected with one end of parallel branch, the other end ground connection of parallel branch, parallel branch is by electric capacity C35, electric capacity C21 and diode D1 is in parallel composition, power conversion chip is also connected with the electric capacity C8 connected successively and inductance L 4, inductance L 4 is connected with another parallel branch, another parallel branch is by electric capacity C12, electric capacity C19, electric capacity C20 and electric capacity C10 is in parallel composition, one end of another parallel branch successively with resistance R48, light-emitting diode D9 is in series.
Described power module also comprises voltage stabilizing chip, and the input of voltage stabilizing chip and output are connected with 0.1uF ceramic disc capacitor respectively.
Described multi-functional μ P monitoring chip is IMP706 chip, and one end of IMP706 chip is connected with K switch 2, and access the pull down resistor that a size is 10K Ω on the RESET pin of MP706 chip, pull down resistor passes through capacity earth.
The beneficial effects of the utility model:
Intelligent gateway antijamming capability involved by the utility model is strong, and efficiency of transmission is high, plays the effect of information transmission hinge in the collection of office buildings power information and energy-saving control system.
Accompanying drawing explanation
Fig. 1 overall structure schematic diagram of the present utility model;
Fig. 2 radio communication circuit schematic diagram of the present utility model;
Fig. 3 power circuit diagram of the present utility model;
Fig. 4 reset circuit figure of the present utility model.
Embodiment:
Below in conjunction with accompanying drawing, the utility model is described in detail:
A set of monitoring based on the Internet and control system based on the office buildings power information collection of Internet of Things and energy-saving control system.Be located at intelligent power and the energy source optimization Surveillance center of electric power relevant departments, by the Internet, managed mansion is carried out to the monitoring of intelligent power and energy scheduling information, and deep control (lamp switch etc. that house interior is concrete can be deep into) can be carried out to the equipment in authority.
The framework of whole system network is an Internet, each building has a building monitoring central computer, information monitoring and the relevant device of being responsible for whole building control, each central computer is connected with the Internet of outside by a router, and with total Surveillance center's interactive information, thus coordinate Surveillance center realize every monitor and forecast function.
Building inside is an integrated network structure being Primary communication link with local area network (LAN), ZigBee, CAN, WiFi.The system element of building inside has: building intelligent electricity consumption and energy source optimization Surveillance center, data server, floor multimedia gateway, room controller, the intelligent sensor (security protection, temperature, humidity, illumination, electricity etc.) based on technology of Internet of things, intelligent illuminating system, intelligent electric appliance system (electrical equipment, air-conditioning, curtain, socket etc.), hot water Optimal Control System, electric energy optimizing control system, heat energy Optimal Control System.
Surveillance center's computer carries out information interaction and control by local area network (LAN) and floor multimedia gateway, hot water Optimal Control System, electric energy optimizing control system, heat energy Optimal Control System, and link is expanded by switch.
The floor multimedia gateway of intelligent gateway namely floor in fact, it is the core that whole building built-in function realizes, and is realize intercommunicating hinge, and just mainly lays particular emphasis on the design of intelligent gateway herein.
Floor multimedia gateway is provided with one at each floor, and wireless router primary responsibility supports the video access of WiFi camera, and uploads by LAN and control video; The function of floor multimedia gateway is by the information of ZigBee communication by each room, then is uploaded by LAN; Also can will come from the information of LAN and order the controlled plant (supporting ZigBee) being passed to room by ZigBee communication by room controller, to realize controlling and information gathering.
Building internal wireless network mainly realizes the radio communication between all kinds of building equipments in short range.So, a kind of suitable wireless network protocol must be taked to be used as the host-host protocol of internal network information.
The application uses ZigBee wireless communication protocol as building internal network transport agreement, in the network system of whole building internal build each node system interconnection.And subsystems has the ZigBee node embedding corresponding function, each ZigBee node all has one and can gather external environmental information by sensor network or send command adapted thereto to the equipment connected separately, thus builds the information interaction network system of ZigBee node and subsystems.Meanwhile, ZigBee telegon is as a subnet center, and it communicates with each ZigBee node, indirectly to the monitoring of subsystems.
In office buildings system, gateway is in the intermediate layer of whole system, and its Main Function is that protocol conversion process is carried out to the information of the bottom in upper strata.If but the network system of house interior is regarded as an element, so will have numerous such element in building.Therefore, when design house interior network system, just only it should not regarded as an independent element, but it should be regarded as a part for whole building system.
Office buildings gateway functionally will carry on a shoulder pole the hinge of any one information communication, if whole gateway system goes design from the angle of layering, the function of whole network management system is that serve upper layers realizes by lower floor.Wherein driver layer is in the bottom, its objective is to provide better running environment to hardware, to reach set working effect.Be exactly up operating system layer again, complete the main target that Resource allocation and smoothing is it, thus all hardware of the system of giving provides more perfectly environment in the coordination of resource and task.Being communication protocol in network protocol layer, is can communicate and specified standard between communicating pair, convenient alternately in order to carry out between different host system.And application layer, realize predefined function, the Functional Design needed for completion system by the information data of resolving from network layer exactly.And be exactly realize the parsing of the information data of different agreement and complete corresponding information data transmitting function for the application layer of gateway end.
The application is the intelligent gateway based on ZigBee, and this gateway is divided into three parts: radio receiving transmitting module, MCU module, Network Interface Module.Wherein, the ZigBee wireless communication module of radio receiving transmitting module to be model be WLT2408SZ.Namely MCU module is made up of STM32F207ZET single-chip microcomputer, multi-functional μ P monitoring chip IMP706.Network Interface Module is then made up of single supply physical layer transceiver KSZ8041TL and network socket transformer HR911105A.System global structure block diagram as shown in Figure 1.
STM32F207 is a chip of most significant end in the up-to-date STM32F2 family issued based on 90 nanometer technologies of ST (STMicw Electronics).It is based on ARM32 position Cortex
tMthe MCU of-M3, has the flash storage up to 1M and 128+4KByteSRAM.It can realize higher efficiency, the performance of ultimate attainment performance Cortex-M3; And dynamic power consumption is lower, the high-performance peripheral hardware of the higher and more how agile innovation of integrated level.STM32F207xx series provides the media access controller (MAC) of a compatible IEEE-802.3-2002, it is by an industry standard Media Independent Interface (MII) or a Media Independent Interface (RMII) simplified, for ethernet local area network communication.STM32F207ZET needs an external physical interfaces equipment connection to physical local area network bus (twisted-pair feeder, optical fiber etc.).This physical interface MII port that 17 holding wires are connected to STM32F207ZET realizes Media Independent Interface (MII), or 9 holding wires are connected to RMII port and realize simplifying Media Independent Interface (RMII), and can export regularly with the 25MHz (MII) in STM32F207xx series or 50MHz (RMII).
In this application, STM32F207ZET single-chip microcomputer uses 3.3V Power supply.In Circuits System, being described as follows of crystal volume linkage function about STM32F207ZET singlechip microprocessor: the high speed crystal of choice for use 6MHz between PH0/OSC_IN and the PH1/OSC_OUT pin of STM32F207ZET, and electric capacity must be accessed from outside.
Being described as follows of the linkage function of STM32F207ZET microprocessor and ZigBee wireless communication module: PC10 pin is connected with 22 pins of WLT2408SZ, effect sends data in transmission of wireless signals, PC11 pin is connected with 21 pins of WLT2408SZ, and effect transmits and receive data in transmission of wireless signals.
Network interface circuit forms primarily of two parts, and a part is the peripheral circuit of the physical layer transceiver KSZ8041TL of single supply, and another part is then the single port RJ45 connector belt circuit of band magnetic module and LED, is specifically applied to network interface.
KSZ8041TL is the 10Base-T/100Base-TX physical layer transceiver of a single supply, it providing MII/RMII/SMII interface to transmit and receive data. it have employed special mixed-signal designs, be used for extending the transmission range of signal, reduce this power consumption simultaneously.
The automatic MDI/MDI-X of HP provides without the need to carrying out the most reliable solution distinguished between crossover and straight-through cables.
KSZ8041TL represents new function and performance, is the ideal chose of the 10Base-T/100Base-TX physical layer transceiver of application program.This KSZ8041TL adds that fiber and 100Base-FX that medium converter is applied support allly identical to enrich function.
A lot of contact pins is used when STM32F207ZET microprocessor is connected with KSZ8041FTL physics transceiver, so that the two can better link together, ensure serial communication consistency all the time, better Information Monitoring and control the input and output of information data therebetween.
Radio communication circuit as shown in Figure 2, WLT2408SZ is the wireless ZigBee module of 2.4GHz that Guangzhou Xiao Wang Electronic Science and Technology Co., Ltd. releases, employing paster encapsulates, stamp hole technique, and power output is+8dBm to the maximum, line-of-sight transmission distance 500 meters of5dbi antennas, module adopts 1.9 ~ 3.3V to power, and supports TTL serial communication, possesses timer and enter dormancy and deep-sleep function, quiescent current minimum <1 μ A, size is 22 × 36mm.
Serial ports Transistor-Transistor Logic level, baud rate scope is wide, and operating frequency is totally 25 physics frequency ranges, effectively can avoid the band interference of self, also can avoid the interference of WIFI and bluetooth by extended frequency band; Two byte PanID, support 65536 network segments, in different segment, can distinguish network, do not interfere with each other from software;
Support to possess the broadcast mode that the unicast mode of acknowledgement mechanism and all nodes all receive.Serial ports parameter, baud rate, data bit, check digit, position of rest, all configurable: transmission rate is optional;
Automatic retry mechanism: data are because external interference is when sending unsuccessfully, and equipment can resend according to the number of retries of setting and retry interval automatically, as little in data volume but importance is very high, can number of retries be increased, guarantee data communication quality; Receiving sensitivity: under namely ensureing the error rate (99.999%), receivable most weak signal strength.The transmittability of wireless transmitting-receiving equipments, transmittability is strong, or is to send larger energy, or is to receive more weak signal.
Power circuit is as shown in Figure 3: as far as possible less and reduce the interference of whole system in order to meet ripple that namely requirement of system to power supply export, two electric capacity (0.1uF ceramic disc capacitor) are connected with output at input, with the interference of filtering high and low frequency, obtain stable voltage at output.
As shown in Figure 4, IMP706 is that the uP that IMP company releases monitors series of products to reset circuit.The main advantage of these series of products is: low-power consumption, high performance price ratio, operating temperature range be wide, it is simple etc. to use.This product can produce reset signal powering on, under power down or manual case, includes the supply voltage monitoring device of a 4.40V, in addition, also has the power failure warning circuit of a 1.25V thresholding, can be applicable to detect the voltage of battery and the power supply of non-5V.These series of products are mainly used in the antijamming capability of raising system, are widely used among all kinds of intelligent instrument, instrument, various electronic equipment and consumer electronics product.
The supply power voltage of IMP706 is 5V, but, when circuit design, we find, when voltage drops to below 1.1V time, the reset of IMP706 exports very unstable, so we access the pull down resistor that a size is 10K Ω specially on RESET pin, be used for collecting the electric charge at random of ground connection, keep RESET to be in low level state simultaneously.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to the utility model protection range; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection range of the present utility model.
Claims (5)
1. gather the intelligent gateway with energy-saving control system for office buildings power information, it is characterized in that, comprise: radio receiving transmitting module, micro controller module and Network Interface Module, described radio receiving transmitting module and micro controller module, micro controller module by Network Interface Module and ethernet communication, the multi-functional μ P monitoring chip that described micro controller module comprises single-chip microcomputer and communicates with it; Described radio receiving transmitting module comprises wireless ZigBee module, and three ports of described wireless ZigBee module are respectively by the resistance be in series and light-emitting diode ground connection.
2. gather the intelligent gateway with energy-saving control system for office buildings power information as claimed in claim 1, it is characterized in that, described Network Interface Module is made up of single supply physical layer transceiver and network socket transformer.
3. gather the intelligent gateway with energy-saving control system for office buildings power information as claimed in claim 1, it is characterized in that, described intelligent gateway is also connected with power module, described power module comprises power conversion chip, one end of power conversion chip is connected with one end of parallel branch, the other end ground connection of parallel branch, parallel branch is by electric capacity C35, electric capacity C21 and diode D1 is in parallel composition, power conversion chip is also connected with the electric capacity C8 connected successively and inductance L 4, inductance L 4 is connected with another parallel branch, another parallel branch is by electric capacity C12, electric capacity C19, electric capacity C20 and electric capacity C10 is in parallel composition, one end of another parallel branch successively with resistance R48, light-emitting diode D9 is in series.
4. gather the intelligent gateway with energy-saving control system for office buildings power information as claimed in claim 3, it is characterized in that, described power module also comprises voltage stabilizing chip, and the input of voltage stabilizing chip and output are connected with 0.1uF ceramic disc capacitor respectively.
5. gather the intelligent gateway with energy-saving control system for office buildings power information as claimed in claim 1, it is characterized in that, described multi-functional μ P monitoring chip is IMP706 chip, one end of IMP706 chip is connected with K switch 2, the RESET pin of MP706 chip accesses the pull down resistor that a size is 10K Ω, and pull down resistor passes through capacity earth.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105792440A (en) * | 2016-04-27 | 2016-07-20 | 厦门兴华鼎自动化技术有限公司 | Wireless signal-to-Ethernet conversion intelligent illumination system gateway |
| CN110311703A (en) * | 2019-07-03 | 2019-10-08 | 广州西博电子科技有限公司 | Enhanced smart gateway of internet of things |
| CN112399395A (en) * | 2021-01-19 | 2021-02-23 | 深圳市汇顶科技股份有限公司 | Data transmission method, first chip, electronic device and storage medium |
| WO2022155769A1 (en) * | 2021-01-19 | 2022-07-28 | 深圳市汇顶科技股份有限公司 | Data transmission method, first chip, electronic device and storage medium |
-
2015
- 2015-08-06 CN CN201520584050.9U patent/CN204859208U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105792440A (en) * | 2016-04-27 | 2016-07-20 | 厦门兴华鼎自动化技术有限公司 | Wireless signal-to-Ethernet conversion intelligent illumination system gateway |
| CN105792440B (en) * | 2016-04-27 | 2017-10-13 | 厦门兴华鼎自动化技术有限公司 | Wireless signal turns the intelligent illuminating system gateway of Ethernet |
| CN110311703A (en) * | 2019-07-03 | 2019-10-08 | 广州西博电子科技有限公司 | Enhanced smart gateway of internet of things |
| CN110311703B (en) * | 2019-07-03 | 2021-08-24 | 广州西博电子科技有限公司 | Enhanced intelligent internet of things gateway |
| CN112399395A (en) * | 2021-01-19 | 2021-02-23 | 深圳市汇顶科技股份有限公司 | Data transmission method, first chip, electronic device and storage medium |
| WO2022155769A1 (en) * | 2021-01-19 | 2022-07-28 | 深圳市汇顶科技股份有限公司 | Data transmission method, first chip, electronic device and storage medium |
| US11528052B2 (en) | 2021-01-19 | 2022-12-13 | Shenzhen GOODIX Technology Co., Ltd. | Data transmission method, first chip, electronic device and storage medium |
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