CN203232673U - Electronic booting system for campus - Google Patents
Electronic booting system for campus Download PDFInfo
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- CN203232673U CN203232673U CN 201320120092 CN201320120092U CN203232673U CN 203232673 U CN203232673 U CN 203232673U CN 201320120092 CN201320120092 CN 201320120092 CN 201320120092 U CN201320120092 U CN 201320120092U CN 203232673 U CN203232673 U CN 203232673U
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Abstract
An electronic booting system for a campus is formed by connecting a solar control system and an electronic booting system, wherein the solar control system comprises a solar power supply module, a power source module, a voltage value liquid crystal display module, a storage battery, a relay control module and a central processing unit, an output end of the solar power supply module is connected with an input end of the power source module, an output end of the power source module is connected with the central processing unit, an output end of the central processing unit is respectively connected with the relay control module and the voltage value liquid crystal display module, and meanwhile, the central processing unit is in both-way connection with the storage battery; and the electronic booting system is composed of a sensor signal collecting module, a voice module, a liquid crystal display module and a central processing unit, wherein an output end of the sensor signal collecting module is connected with an input end of the central processing unit, and the central processing unit is respectively in both-way connection with the voice module and the liquid crystal display module. According to the electronic booting system for the campus, multimedia, sensing technologies, embedded technologies and new energy technologies are integrated, so that users can rapidly know relevant information of the campus in the shortest time, and working efficiency of the users can be improved.
Description
Technical field
The utility model belongs to a kind of campus electronic guide system.
Background technology
Exchange day by day frequently and study along with the expansion gradually of campus scale, between interschool, more people has come into the campus.In the campus culture construction traditional form of introducing campus information with guideboard and propaganda board can not satisfy most of before the person that has come's demand because there has been very big problem in these forms of aspect such as, convenience ageing at it.
Increasing crowd, develop the common calling of more and more faster information society a kind of novel campus guiding, the guiding of this campus can express delivery accurately vividly provide the campus for information about energy-conservationly, improves ageing, specific aim and vividness that its user handles thing.
Summary of the invention:
The purpose of this utility model just is to provide a kind of campus electronic guide system, this system integrates multimedia, sensing, embedded and new energy technology, the user can understand the relevant information in campus with the shortest time rapidly, more can improve user's work efficiency.
As above design, the technical solution of the utility model is: a kind of campus electronic guide system is characterized in that: connected to form by solar control system and electronic guide system; Solar control system is made up of solar powered module, power module, magnitude of voltage LCD MODULE, accumulator, relay control module and central processing unit; The output terminal of solar powered module is connected with the input end of power module, the output terminal of power module is connected with central processing unit, the output terminal of central processing unit connects relay control module and magnitude of voltage LCD MODULE respectively, and simultaneously, central processing unit is connected with accumulator is two-way; The electronic guide system is made of collecting sensor signal module, voice module, LCD MODULE and central processing unit, the output terminal of collecting sensor signal module is connected with the input end of central processing unit, and central processing unit is connected with voice module and LCD MODULE are two-way respectively.
The central processing unit of above-mentioned solar control system and electronic guide system all adopts the HT46RU232 singlechip chip of embedded UART and A/D converter.
The magnitude of voltage LCD MODULE of above-mentioned solar control system adopts LCD1602.
The LCD MODULE of above-mentioned electronic guide system adopts the full-color LCD of DMT80600S104.
It is the polysilicon solar cell plate of HR-201F that above-mentioned solar powered module adopts the photovoltaic array model.
Above-mentioned polysilicon solar cell plate two ends connect voltage dependent resistor (VDR) CNR-10D151K.
Each A/D conversion mouth of central processing unit in the above-mentioned solar control system all connects the sample circuit that comprises stabilivolt and filter capacitor.
Connect the stepless discharging circuit of PWM on the above-mentioned accumulator, this circuit comprises the off-load resistance that is connected on the accumulator, the N channel field-effect pipe IRF140 that is connected with off-load resistance and is connected a pair of triode 9012,9013 of N channel field-effect pipe IRF140 prime; This circuit PWM signal is provided by the PWM mouth of the central processing unit in the solar control system, and modulating frequency is 20KHz.
The output terminal of the central processing unit of above-mentioned electronic guide system is connected with lighting control module.
Above-mentioned power circuit adopts the MC34063 chip.
The utlity model has following advantage and good effect:
1, the utility model adopts dual modes of operation, but energy savings.Native system adopts personnel's automatic identification technology, can realize that self-starting and automatic mode enter battery saving mode.When the user near the electronic guide system time, system can start automatically, enters duty, the user only need select the button above the map of campus, both can obtain the introduction dual directly perceived of image and voice, after the user left system's sensing range, system then entered battery saving mode.
2, the utility model adopts full solar electric power supply system, need not secondary electrical supply, has realized environmental protection.
3, the utility model adopts image, voice to introduce jointly, and is vividly convenient.The user can arrange selection key at the campus map, obtains the introduction directly perceived of detailed picture and text, language.
4, the utility model extensibility is strong.Can expanded application to tourist attractions, large public building such as places such as office building, hospital serve, and have saved manpower.
5, the electronic guide system in the utility model has also designed lighting control module, even still can work very dark night at light.
The utility model system has showed the corresponding location, campus fully with forms such as image, voice, can vividly more allow the user experience wherein really, the user can understand the relevant information in campus with the shortest time rapidly, more can improve the efficient that the user handles affairs.
Description of drawings:
Fig. 1 solar control system functional-block diagram;
Fig. 2 electronic guide components of system as directed theory diagram;
Fig. 3 solar electric power supply system equivalent model figure;
The I-V family curve of Fig. 4 solar electric power supply system;
The solar powered module diagram of Fig. 5;
Fig. 6 power circuit electrical schematic diagram;
Fig. 7 central processing unit partial circuit figure;
Fig. 8 sample circuit circuit diagram;
Fig. 9 discharging circuit circuit diagram;
Figure 10 is theory diagram of the present utility model.
Embodiment:
As shown in figure 10: a kind of campus electronic guide system is connected to form by solar control system and electronic guide system; Solar control system is made up of solar powered module, power module, magnitude of voltage LCD MODULE, accumulator, relay control module and central processing unit; The output terminal of solar powered module is connected with the input end of power module, the output terminal of power module is connected with central processing unit, the output terminal of central processing unit connects relay control module and magnitude of voltage LCD MODULE respectively, and simultaneously, central processing unit is connected with accumulator is two-way; The electronic guide system is made of collecting sensor signal module, voice module, LCD MODULE and central processing unit, the output terminal of collecting sensor signal module is connected with the input end of central processing unit, and central processing unit is connected with voice module and LCD MODULE are two-way respectively.
As shown in Figure 1: solar control system is made up of the HT46RU232 singlechip chip of solar powered module, magnitude of voltage LCD MODULE LCD1602, accumulator, relay control module and embedded UART and A/D converter.
System at first by solar powered module with solar energy acquisition, as energy storage device, be the power supply of electronic guide system by accumulator.Central processing unit is sampled to battery tension by A/D converter, when voltage is lower than setting value accumulator is charged.In order to guarantee that accumulator can be stablized, long-life work, need discharge and recharge it and make rational control, designed the control circuit that prevented charge/discharge in the circuit.When voltage was lower than the overdischarge pressure, the power supply of high power load was cut off in control circuit control, and the startup solar electric power supply system is charge in batteries; When voltage was higher than overcharged voltage, core control circuit control disconnected solar recharging system, prevents that accumulator is impaired.
Shown in Fig. 3,4,5: solar powered module adopts solar panel.
Can set up as shown in Figure 3 solar-energy photo-voltaic cell ideal model according to the photoproduction of solar panel volt effect.Often in the use represent the output voltage of solar electric power supply system and the solar electric power supply system I-V characteristic of the relation between the output current during according to a certain definite intensity of sunshine and temperature, as shown in Figure 4.I among Fig. 4
ScBe short-circuit current, V
OcBe open-circuit voltage,
Be maximum power point voltage, V
mBe maximum power point voltage, P
mBe maximum power point power.Solar electric power supply system is neither constant pressure source as shown in Figure 4, and also non-constant current source can not provide big power arbitrarily for load.In fact it is a kind of non-linear direct supply, and it is constant that output current keeps in most of operating voltage range relatively, and finally after a sufficiently high voltage, electric current is dropped rapidly to zero.
Be example in this article with Tianjin, the geographic position in city, Tianjin is north latitude 39o, east longitude 117o, consider that the photovoltaic array best effects is embodied in summer and autumn, what be positioned at the Northern Hemisphere need add 15o at latitude, reaching maximum vertical irradiation angle, so what adopt is that cell panel is installed on horizontal sextant angle and is about 45o.Concentrate between the 12 noon to 13 according to the intensity of illumination of locality is the strongest, sun drift angle is 15o, thus adjust photovoltaic array southwester direction deflect away from 15o.The model of the photovoltaic array of selecting is the polysilicon solar cell plate of HR-201F.
Connect the output of solar panel as Fig. 5 sun power input port J2, module has added the anti-surge protection of voltage dependent resistor (VDR) (CNR-10D151K), and direct current SOLAR_VOLT enters system.
For the function that makes campus electronic guide system is more comprehensive and perfect, in design, reserved the wind energy input port, in order to system's expansion in the future.
As shown in Figure 6: the design is the 12V system.And required voltage is 5V in single-chip microcomputer and the periphery circuit design thereof, needs that then 12V voltage is converted into 5V and uses for central processing unit.What this paper adopted is the MC34063 chip, and it is the ambipolar linear integrated circuit of a monolithic, is exclusively used in the DC-to-DC converter control section.Include temperature compensation bandgap reference source, duty cycle control generator, driver and a big electric current output switch in the sheet, can export the switching current of 1.5A.Maximum input voltage can reach 40V, meets design requirement.
As shown in Figure 7: what the central processing unit of solar control system partly adopted is that the HT46RU232 single-chip microcomputer is main control chip.This chip is 8 high-performance reduced instruction set computer single-chip microcomputers of the HT46 of Sheng Qun company series, designs for the product that needs the A/D conversion specially.Key property: operating voltage 3.3V ~ 5.5V, fsys=8MHz; At Vdd=5V, when system frequency was 8MHz, the instruction cycle was 0.5us; At most can be by 40 two-way I/O ports; 8 layers of hardware stack; The A/D converter of 8 path 10 bit resolutions; 8 PWM outputs of 4 passages are with the I/O port common pin; 2 16 programmable Timer/counters have the interrupt bit of overflowing operational order; WatchDog Timer; The low-voltage reset function; HALT and arousal function can reduce power consumption; I
2C bus (slave pattern); 4096 * 16 program memory ROMs; 192 * 8 data-carrier store RAM.
As shown in Figure 8: central processing unit is HT46RU232 in the native system, carries the A/D converter of 8 path 10 bit resolutions, has saved the design of outside A/D converter.
In actual motion, the voltage range of photovoltaic array is 0-45V, battery tension scope 0-28V, all scope that detects above A/D.Needing each voltage to be detected is carried out dividing potential drop, is that electric resistance partial pressure matches the 0-5V that A/D can measure as what adopt in the input of Fig. 5 sun power.Adopt potentiometer when the initial stage debugs, the later stage is used resistor network when finalizing the design.
In order to protect single-chip processor i/o better, also guarantee the accuracy of the data of measurement simultaneously, change mouth at each A/D of central processing unit and all add 5V stabilivolt IN4733 and filter capacitor C2 and C6.
As shown in Figure 9: under the situation that accumulator is full of, for the operate as normal of assurance system and photovoltaic array, need extra electric energy is unloaded.What adopt among the design is " the stepless unloading of PWM ", by the mode of PWM width modulation, unnecessary electric energy is discharged on the off-load resistance (100W 2), is discharged into underground with the form of heat energy.
In order to control N channel field-effect pipe (IRF140) better, strengthen driving force in its prime with a pair of triode (9012,9013).Pwm signal is provided by the SCM PWM mouth, and modulating frequency is 20KHz.
The principle of work of native system accumulator:
The specificity analysis of accumulator is very important to rational selection accumulator.The most basic running parameter of accumulator has specified accumulator capacity (C), depth of discharge (DOD), state-of-charge (SOC).
A, accumulator capacity
Charge in batteries capacity Q
c: the electric weight that consumes during charge in batteries.
. I wherein
c: charging current, t
c: the duration of charging.Battery discharging capacity Q
d: accumulator is actual energy of having emitted under certain condition of work.
. in, I
d: charging current, t
d: discharge time.Battery capacity represents that with symbol C conventional unit is ampere hour (Ah).
B, state-of-charge
The state-of-charge of accumulator (SOC) is used for reflecting the residual capacity of accumulator, is defined as the number percent that the accumulator dump energy accounts for its total volume on its numerical value, i.e. SOC=Q (t)/Q
b. wherein, Q (t): the actual capacity of accumulator, Q
b: the nominal capacity of accumulator.
The depth of discharge of c, accumulator
The depth of discharge of accumulator is defined as DOD=1-SOC, and its life-span and depth of discharge have much relations.When system designed, it was the smaller the better to be not that DOD obtains, because DOD is more little, the idle capacity that accumulator can not be emitted is just more many, wastes electric energy like this, also increases cost.Take all factors into consideration, DOD is 70% in the design.
Be under the overcast and rainy situation according to working environment, accumulator capacity can 10 days standard of supply system operate as normal be chosen always.Then accumulator capacity is:
The power supply of system is 12V, is the rated voltage of 12V so select accumulator, and then the calculation of capacity of accumulator is:
As shown in Figure 2: the electronic guide system is made of the HT46RU232 singlechip chip of infrared diffuse formula sensor, the full-color LCD of voice module WT588D, DMT80600S104, lighting control module and embedded UART and A/D converter.The output terminal of infrared diffuse formula sensor is connected with the input end of HT46RU232 singlechip chip, the output terminal of HT46RU232 singlechip chip is connected with the input end of lighting control module, simultaneously, central processing unit is connected with voice module and LCD MODULE are two-way respectively.
Infrared diffuse formula sensor is arranged on electronic guide board both sides.When sensor detected the user near the time, sensor output signal is handled through the HT46RU232 of embedded UART and A/D converter singlechip chip, electronic guide system in campus transfers mode of operation to automatically by standby electricity-saving mode.Equally, left the sensing detection scope of electronic guide system as the user after, system can enter holding state automatically behind certain delay time.
Thinking 12 h under the general default situations of working time of the present utility model, probably is 1W through its power of rough measure.For the illumination LED working time be about 6 h, its power is about 0.5W, then the general power that consumes every day is 15W.
The course of work of the present utility model is: at an exhibition board that the rain and snow cover is installed some buttons, all departments in their corresponding campuses or the place of building are installed.The user is near this exhibition during board, and it is close that the infrared diffuse formula sensor that is positioned at both sides has detected the user simultaneously, and sensor output signal is handled through singlechip chip, and electronic guide system in campus transfers mode of operation to automatically by standby electricity-saving mode.Press the affiliated button in corresponding place the user after, the core control circuit control of electronic guide part starts the full-color LCD of DMT80600S104 and speech play module WT588D, just has corresponding image and voice introduction, and is vivid.Left the sensing detection scope of guidance system as the user after, system can enter holding state automatically behind certain delay time.
The lighting control module that the electronic guide system connects makes native system still can work very dark night at light.This lighting control module is the light intensity that the light intensity test circuit of core devices formation detects current environment with the photoresistance, to judge whether to open lighting module, guarantees also can work normally under the darker situation of electronic guide system light.
Claims (10)
1. a campus electronic guide system is characterized in that: connected to form by solar control system and electronic guide system; Solar control system is made up of solar powered module, power module, magnitude of voltage LCD MODULE, accumulator, relay control module and central processing unit; The output terminal of solar powered module is connected with the input end of power module, the output terminal of power module is connected with central processing unit, the output terminal of central processing unit connects relay control module and magnitude of voltage LCD MODULE respectively, and simultaneously, central processing unit is connected with accumulator is two-way; The electronic guide system is made of collecting sensor signal module, voice module, LCD MODULE and central processing unit, the output terminal of collecting sensor signal module is connected with the input end of central processing unit, and central processing unit is connected with voice module and LCD MODULE are two-way respectively.
2. campus according to claim 1 electronic guide system, it is characterized in that: the central processing unit of above-mentioned solar control system and electronic guide system all adopts the HT46RU232 singlechip chip of embedded UART and A/D converter.
3. campus according to claim 1 electronic guide system, it is characterized in that: the magnitude of voltage LCD MODULE of above-mentioned solar control system adopts LCD1602.
4. campus according to claim 1 electronic guide system is characterized in that: the LCD MODULE of above-mentioned electronic guide system adopts the full-color LCD of DMT80600S104.
5. campus according to claim 1 electronic guide system, it is characterized in that: it is the polysilicon solar cell plate of HR-201F that above-mentioned solar powered module adopts the photovoltaic array model.
6. campus according to claim 5 electronic guide system, it is characterized in that: above-mentioned polysilicon solar cell plate two ends connect voltage dependent resistor (VDR) CNR-10D151K.
7. campus according to claim 1 electronic guide system, it is characterized in that: each A/D conversion mouth of the central processing unit in the above-mentioned solar control system all connects the sample circuit that comprises stabilivolt and filter capacitor.
8. campus according to claim 1 electronic guide system, it is characterized in that: connect the stepless discharging circuit of PWM on the above-mentioned accumulator, this circuit comprises the off-load resistance that is connected on the accumulator, the N channel field-effect pipe IRF140 that is connected with off-load resistance and is connected a pair of triode 9012,9013 of N channel field-effect pipe IRF140 prime; This circuit PWM signal is provided by the PWM mouth of the central processing unit in the solar control system, and modulating frequency is 20KHz.
9. campus according to claim 1 electronic guide system is characterized in that: the output terminal of the central processing unit of above-mentioned electronic guide system is connected with lighting control module.
10. campus according to claim 1 electronic guide system, it is characterized in that: above-mentioned power module adopts the MC34063 chip.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320120092 CN203232673U (en) | 2013-03-15 | 2013-03-15 | Electronic booting system for campus |
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| CN 201320120092 CN203232673U (en) | 2013-03-15 | 2013-03-15 | Electronic booting system for campus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185281A (en) * | 2014-06-19 | 2015-12-23 | 天津城建大学 | Intelligent electronic guidance system of university comprehensive experiment building |
| CN107248385A (en) * | 2017-08-10 | 2017-10-13 | 南京信息职业技术学院 | A kind of electronic guide board |
| CN108958247A (en) * | 2018-07-02 | 2018-12-07 | 深圳市益鑫智能科技有限公司 | A kind of guided robot |
-
2013
- 2013-03-15 CN CN 201320120092 patent/CN203232673U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185281A (en) * | 2014-06-19 | 2015-12-23 | 天津城建大学 | Intelligent electronic guidance system of university comprehensive experiment building |
| CN107248385A (en) * | 2017-08-10 | 2017-10-13 | 南京信息职业技术学院 | A kind of electronic guide board |
| CN108958247A (en) * | 2018-07-02 | 2018-12-07 | 深圳市益鑫智能科技有限公司 | A kind of guided robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20131009 Termination date: 20140315 |