CN202773121U - Classroom energy-saving lighting centralized control system - Google Patents
Classroom energy-saving lighting centralized control system Download PDFInfo
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- CN202773121U CN202773121U CN2012202129719U CN201220212971U CN202773121U CN 202773121 U CN202773121 U CN 202773121U CN 2012202129719 U CN2012202129719 U CN 2012202129719U CN 201220212971 U CN201220212971 U CN 201220212971U CN 202773121 U CN202773121 U CN 202773121U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
A classroom energy-saving lighting centralized control system is characterized by comprising hardware equipment and software programs. The hardware equipment comprises a PC machine arranged in a monitoring chamber, a USB/RS-485 converter, an RS-485/2.4G wireless converter, an 2.4G wireless/RS-485 converter arranged in a teaching area, and a classroom energy-saving lighting controller. Moreover, in a campus with largely scattered teaching areas, the hardware equipment also comprises an 2.4G wireless relay, thus the above hardware equipment can form a control network with wireless and wired. The software programs comprise firmware programs embedded in the RS-485/2.4G wireless converter and the classroom energy-saving lighting controller, and management programs installed in the PC machine, and moreover the software programs can realize the automatic photosensitive energy-saving control and centralized control functions, and can realize the energy consumption budget estimation. The beneficial effects of the system are that: classroom lighting lamps in the scattered teaching areas can be centralizedly managed, so as to achieve the effect of saving energy.
Description
Technical field
The utility model belongs to the illumination control field, particularly the energy-conservation centralized control system of a kind of classroom illumination.
Background technology
At present, the classroom illumination energy-conserving control technology has the controller of the single-point Energy Saving Control that adopts infrared thermal releasing transducer and light sensor and design, because the infrared thermal releasing transducer easily is disturbed and only to the characteristic of human body sensitivity of motion, easily false triggering is turned on light and is turned off the light, switch is serious to the fluorescent tube damage comparison continually, and secondly the single-point energy-saving controller is not easy to centralized management.The employing image recognition technology is arranged, take a picture by rotary head, the personnel in the identification classroom distribute and control the technology of turning on light, turning off the light, but there is the high shortcoming of cost in it.Notification number is that the Chinese utility model patent of CN 201230398Y discloses a kind of effective strength who adopts active near-infrared direct projection sensing Detection Techniques detection of dynamic classroom, turn on light in how many subregions according to the classroom number, adopt the magnetosensitive sensing technology to detect on the seat whether the people is arranged, illumination by the microprocessor controls zone, this invention exists number of sensors relatively many, the defective that installation is inconvenient and stability is bad.Notification number is that the Chinese utility model patent of CN201303451Y discloses a kind of lighting energy-saving controller for classroom by there are detection in surround lighting detection, human body, according to the work of daily schedule control light driving circuit, has the defective of false triggering.Notification number is that the Chinese utility model patent of CN201479424U discloses a kind of self adaptation intelligent network terminal controller for illumination energy saving, its main control module is connected to address, the street lamp control module control light fixture of the webserver, address module configuration main control module by the power carrier module, but this invention is not suitable for the specific requirement of classroom illumination.
The energy-conservation specific requirement of classroom illumination is: one, lighting is laid and generally can be divided into 5 groups: say desk lamp, lay 2 to 5 row light fixtures from exterior window (natural lighting is good) to inner window (natural lighting is poor) according to the classroom area, when columns is many, can be with middle 2 row, 2 row light fixtures in control simultaneously as one group, generally speaking according to the power of natural daylight, the lamp of saying desk lamp Chang Ming, inner window limit is longer than lamp lighting time by the exterior window; Two, with reference to school timetable with review one's lessons calendar power supply, class is arranged or the classroom power supply of the arrangement of reviewing one's lessons is arranged, be convenient to like this centralized management, also avoid a few student to take the classroom and cause the waste electric energy of turning on light; Three, multi-media classroom says that desk lamp goes out when the teacher imparts knowledge to students with multimedia presentation, does not say that desk lamp is bright when not carrying out the multimedia teaching demonstration, should support manually to be controlled by the teacher that teaches; Four, whole teaching building or first floor adopt when operating a switch outage or sending electricity, because load is large, and larger rush of current is arranged, and be large on the impact of electrical network, to the useful life of electric brake and the useful life of light fixture causing larger harm, need to avoid this rush of current simultaneously; Five, in the time of also should being supported in the control network failure for the energy-saving in classrooms control system of centralized control formula, can by the auxiliary control of the mode lighting of infrared wireless remote control, avoid causing the teaching accident; Six, can carry out budgetary estimate or metering to classroom illumination power consumption.
Existing invention is not for all energy-conservation specific requirement design energy-saving controllers of classroom illumination.The purpose of this utility model is intended to according to all energy-conservation specific requirements of described classroom illumination, and a kind of simple in structure, dependable performance, the energy-conservation centralized control system of lower-cost classroom illumination are provided.
Summary of the invention
In order to reach the energy-conservation specific requirement of above-mentioned classroom illumination, the technical solution adopted in the utility model is:
The energy-conservation centralized control system of classroom illumination of the present utility model comprises hardware device and software program.
It is characterized in that: hardware device comprises PC, USB/RS-485 transducer, the RS-485/2.4G radio switch that is installed in Control Room, the 2.4G that is installed in teaching area is wireless/and RS-485 transducer, lighting energy-saving controller for classroom, disperse larger campus also to comprise the 2.4G wireless repeater at teaching area.The same function also can realize by different technology, also described USB/RS-485 transducer can be replaced with the RS-232/RS-485 transducer, to utilize the interface of PC RS-232; Described RS-485/2.4G radio switch can replace with the RS-485/GPRS radio switch and described 2.4G wireless/the RS-485 transducer can replace with GPRS wireless/RS-485 transducer, to adapt to the problem that the school district is too wide, the 2.4G wireless signal does not cover; Or described RS-485/2.4G radio switch can be replaced with the RS-485/433M radio switch and described 2.4G wireless/the RS-485 transducer can replace with 433M wireless/RS-485 transducer, to adapt to the signal covering problem of school district barrier when many; Also described RS-485 interface general line technology can be replaced with CAN interface bus technology.
Physical connection relation between each equipment is as follows: described PC is connected with described USB/RS-485 transducer by the USB line, described USB/RS-485 transducer is connected with described RS-485/2.4G radio switch by twisted-pair feeder, forms a short range wired connection network; Described RS-485/2.4G radio switch by the 2.4G of wireless and described 2.4G wireless repeater, described teaching area wireless/the RS-485 transducer is connected, and forms a wireless network; The described 2.4G of single teaching area is wireless/and the RS-485 transducer is connected by twisted-pair feeder successively with N described lighting energy-saving controller for classroom of this teaching area, and composition RS-485 bus network.After described USB/RS-485 transducer replaced with the RS-232/RS-485 transducer, PC was connected by 3 lines serial ports processed with the RS-232/RS-485 transducer; When described RS-485/2.4G radio switch replaces with the RS-485/GPRS radio switch, described 2.4G is wireless/the RS-485 transducer replaces with GPRS wireless/RS-485 transducer, described RS-485/2.4G radio switch replace with the RS-485/433M radio switch, described 2.4G is wireless/the RS-485 transducer replaces with 433M wireless/RS-485 transducer, when described RS-485 interface replaces with the CAN interface, connection mode is constant.
Described lighting energy-saving controller for classroom comprises that microcontroller, RS-485 interface, luminance detection module, integrated infrared receiving module, relay group and 220V turn 12V, 5V power supply, also comprise Infrared remote controller.
Described software program support by described short range wired connection network, described wireless network and described RS-485 bus network, is concentrated the on off state of monitoring and controlling the relay group of described lighting energy-saving controller for classroom from PC; In case described short range wired connection or described wireless network or described RS-485 bus network break down, in the time of can not concentrating the on off state of the relay group of monitoring and control described lighting energy-saving controller for classroom from PC, described software program also supports by described Infrared remote controller single described lighting energy-saving controller for classroom to be controlled the on off state of its relay group; Be installed in the rated power of the load of switching time of each relay of each lighting energy-saving controller for classroom of software records on the PC and its control, by multiply by rated power budgetary estimate and metering power consumption conduction time.
The beneficial effects of the utility model:
1, levies calendar according to the row of department of educational administration and automatically control the classroom illumination power supply, according to automatic switch group lights a little less than the Natural light intensity in the classroom, reach automatic control and energy-conservation effect;
2, according to the specific (special) requirements of multimedia teaching classroom illumination with when controlling network failure, can control dais lamp on/off and classroom illumination power supply by Infrared remote controller, avoid the generation of teaching accident;
3, lighting energy-saving controller for classroom has memory and before turned on light/function of turn-off, reduces the network communication data amount, the adverse effect of avoiding communication delay to cause;
4, simple in structure, the reliable working performance of the utility model, the outage and close a floodgate and send the rush of current of electricity to light fixture, electric brake of can avoiding operating a switch prolong its useful life;
5, can budgetary estimate and the power consumption of metering classroom illumination.
Description of drawings
Accompanying drawing 1 is topological diagram of the present utility model.
Accompanying drawing 2 is lighting energy-saving controller for classroom functional block diagrams of the present utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further described, following examples are descriptive, are not determinate, can not limit protection range of the present utility model with this.
The energy-conservation centralized control system of classroom illumination of the present utility model comprises hardware device and software program.
Accompanying drawing 1 has been showed the hardware device topological structure of the utility model embodiment, mainly be divided into two zones: Control Room and teaching area, when teaching area surpasses the scope that 2.4G wireless module wireless signal can cover from the distance of Control Room, need increase 2.4G wireless repeater.
Be installed in operation monitoring program on the PC of Control Room, this monitoring program is inquired about the on off state of the relay that is installed in the lighting energy-saving controller for classroom in the classroom in the mode of poll, and deposit the load information of essential information, relay switch state information and each relay in the each classroom in the certain hour interval in database, in order to carry out backstage power consumption metering (adopt the power supply duration to multiply by rated power and carry out budgetary estimate), and the operating state of reporting lighting energy-saving controller for classroom in each classroom off-line whether, so that the maintenance technician in time repairs; Monitoring program is retrieved the course arrangement table and is reviewed one's lessons calendar in mode regularly, the lighting energy-saving controller for classroom in the corresponding classroom is sent the instruction of switch relay according to the information of these two tables, as between the morning the 2nd, 3 class, between afternoon the 6th, 7 class, between evening the 8th, 9 class, begin in the morning according to above-mentioned two tables the lighting energy-saving controller for classroom in every classroom to be sent the instruction of turning on light in before class 30 minutes, 30 minutes after class noon, evening were sent the instruction of turning off the light to all lighting energy-saving controller for classrooms in 30 minutes after class one by one; The instruction of turning on light and turn off the light is that a classroom, a classroom send one by one, can avoid heavy current impact electric brake and lighting apparatus.
PC is connected by usb bus with the USB/RS-485 transducer, also the USB/RS-485 transducer can be replaced to the RS-232/RS-485 transducer, and PC is connected by 3 lines or 9 line Serial Port Lines with the RS-232/RS-485 transducer after changing.The major function of USB/RS-485 transducer or RS-232/RS-485 transducer is to realize the conversion of signal level, select suitable interface chip design circuit, and obtain device driver from chip manufacturer, be installed to PC and get final product work, these two kinds of transducers have ready-made product at present on the market, if oneself designs, the RS-485 interface chip can be selected: the models such as MAX481E/ MAX483E/ MAX485E/MAX487E/MAX488E/MAX489E/MAX490E/MAX491E/MAX1487E, the RS-232 interface chip can be selected the models such as MAX232CSE, MAX3232.
USB/RS485 transducer and RS-485/2.4G radio switch are by twisted pair line connection, and the RS-485/2.4G radio switch can be installed in the higher places, position such as roof, be convenient to wireless signal emission, make its transmission range farther.The RS-485/2.4G radio switch need to embed control program, the control program main task of this embedding is to receive the instruction of transmitting from PC, this instruction is repacked, send to the 2.4G wireless repeater and be installed in the 2.4G of teaching area wireless/the RS-485 modular converter, and will from the 2.4G wireless repeater or be installed in the 2.4G of teaching area wireless/be transmitted to PC after data that the RS-485 modular converter is sent are repacked.This transducer hardware designs need to be selected suitable single-chip microcomputer, RS-485 interface chip and 2.4G radio receiving transmitting module.Single-chip microcomputer can be selected the chip of the accurate two serial ports of STC11 serial band, and the RS-485 interface chip can be selected the chips such as MAX485, and the 2.4G radio receiving transmitting module can be selected the module that designs as the basis take the NRF24L01 chip of NORDIC company.
The RS-485/2.4G radio switch of Control Room by wireless mode wireless with the 2.4G that is installed in teaching area/the RS-485 transducer is connected, these two functions of the equipments are the same, just the address of wireless module is different, should be noted when embedding firmware program.
The 2.4G that is installed in teaching area is wireless/and the RS-485 transducer is connected by twisted-pair feeder with lighting energy-saving controller for classroom, also pass through twisted pair line connection between the lighting energy-saving controller for classroom in each classroom, the number of devices that this RS-485 bus network can connect is subjected to the restriction of RS-485 chip type selecting, can connect at most 128 equipment (when selecting MAX487 or MAX1487), other RS-485 interface chip can only connect maximum 32 equipment.
Accompanying drawing 2 has been showed the internal module structure of lighting energy-saving controller for classroom, comprises that RS-485 interface, luminance detection module, integrated infrared receiving module, relay group and 220V turn 12V, 5V power supply, also comprise Infrared remote controller.This lighting energy-saving controller for classroom need to embed firmware program, and the main task of this firmware program is to detect integrated infrared receiving module whether effective instruction input is arranged, and effectively instruction is switch dais group lamp and all group lamps of switch classroom; Detect the RS-485 interface whether effective address, instruction input are arranged, effective address is the unique address of this lighting energy-saving controller for classroom, effective instruction be turn on light, turn off the light, status poll, when receiving the status poll instruction, microcontroller sends back to PC together with the address by the RS-485 bus with the relay switch state; Microcontroller obtains the luminance detection module information, according to the on off state of this information automatic control relay group, realizes automatic energy saving control.The hardware designs lectotype selection preferred version of lighting energy-saving controller for classroom: MCU selects the accurate two serial port chip of STC11 series; The RS-485 interface chip can be selected MAX485; Luminance detection selectable photodiode or phototriode, and do not adopt photo resistance; It is 38KHz that integrated infrared receiving module is selected operating frequency, is convenient to like this join Infrared remote controller, thereby saves cost; It is direct current 12V that relay is selected operating voltage, and the contact is the relay of 250V/15A, because classroom illumination mostly adopts fluorescent tube, owing to being not that pure resistive loads need to have larger capacity; 220V turns 12V, the 5V power supply is selected at least 220V/12V Industrial Frequency Transformer of 8W, also can the selector switch transformer, but comparatively speaking, adopt that the Industrial Frequency Transformer number of elements is few, good stability.
The same function also can realize by different technology, also described USB/RS-485 transducer can be replaced with the RS-232/RS-485 transducer, to utilize the interface of PC RS-232; Described RS-485/2.4G radio switch can replace with the RS-485/GPRS radio switch and described 2.4G wireless/the RS-485 transducer can replace with GPRS wireless/RS-485 transducer, to adapt to the problem that the school district is too wide, the 2.4G wireless signal does not cover; Or described RS-485/2.4G radio switch can be replaced with the RS-485/433M radio switch and described 2.4G wireless/the RS-485 transducer can replace with 433M wireless/RS-485 transducer, to adapt to the signal covering problem of school district barrier when many; Also described RS-485 interface can be replaced with CAN interface bus technology, for the professional and technical personnel, be easily to realize.
Claims (3)
1.
The energy-conservation centralized control system of a kind of classroom illumination comprises hardware device and software program, it is characterized in that: hardware device comprises PC, USB/RS-485 transducer, the RS-485/2.4G radio switch that is installed in Control Room, the 2.4G that is installed in teaching area is wireless/RS-485 transducer, lighting energy-saving controller for classroom, also comprise the 2.4G wireless repeater; Described PC is connected with described USB/RS-485 transducer by the USB line, and described USB/RS-485 transducer is connected with described RS-485/2.4G radio switch by twisted-pair feeder, forms a short range wired connection network; Described RS-485/2.4G radio switch by the 2.4G of wireless and described 2.4G wireless repeater, described teaching area wireless/the RS-485 transducer is connected, and forms a wireless network; The described 2.4G of single teaching area is wireless/and the RS-485 transducer is connected by twisted-pair feeder successively with N described lighting energy-saving controller for classroom of this teaching area, and composition RS-485 bus network.
2.
According to the energy-conservation centralized control system of classroom illumination claimed in claim 1, it is characterized in that: described lighting energy-saving controller for classroom comprises that microcontroller, RS-485 interface, luminance detection module, integrated infrared receiving module, relay group and 220V turn 12V, 5V power supply, also comprise Infrared remote controller.
3.
According to the energy-conservation centralized control system of classroom illumination claimed in claim 1, it is characterized in that: described USB/RS-485 transducer can replace with the RS-232/RS-485 transducer, described RS-485/2.4G radio switch can replace with RS-485/GPRS radio switch or RS-485/433M radio switch, and described RS-485 interface can replace with the CAN interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202129719U CN202773121U (en) | 2012-05-14 | 2012-05-14 | Classroom energy-saving lighting centralized control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202129719U CN202773121U (en) | 2012-05-14 | 2012-05-14 | Classroom energy-saving lighting centralized control system |
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| Publication Number | Publication Date |
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| CN202773121U true CN202773121U (en) | 2013-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012202129719U Expired - Fee Related CN202773121U (en) | 2012-05-14 | 2012-05-14 | Classroom energy-saving lighting centralized control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102665350A (en) * | 2012-05-14 | 2012-09-12 | 吉首大学 | Lighting energy-saving centralized-control system of classroom |
| CN104254180A (en) * | 2014-09-15 | 2014-12-31 | 无锡锐泰节能系统科学有限公司 | Loop type intelligent lighting controller |
-
2012
- 2012-05-14 CN CN2012202129719U patent/CN202773121U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102665350A (en) * | 2012-05-14 | 2012-09-12 | 吉首大学 | Lighting energy-saving centralized-control system of classroom |
| CN104254180A (en) * | 2014-09-15 | 2014-12-31 | 无锡锐泰节能系统科学有限公司 | Loop type intelligent lighting controller |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20140514 |