CN108400782B - Control system based on hotel intelligent human body induction power taking switch - Google Patents
Control system based on hotel intelligent human body induction power taking switch Download PDFInfo
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- CN108400782B CN108400782B CN201810347057.7A CN201810347057A CN108400782B CN 108400782 B CN108400782 B CN 108400782B CN 201810347057 A CN201810347057 A CN 201810347057A CN 108400782 B CN108400782 B CN 108400782B
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- 230000006698 induction Effects 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 230000000087 stabilizing effect Effects 0.000 claims description 12
- 239000000523 sample Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Selective Calling Equipment (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention relates to the field of power taking switches, in particular to a control system based on a hotel intelligent human body induction power taking switch, which is characterized by comprising a human body infrared detection module, a relay control module, a signal processing module and a switch power supply module, wherein the human body infrared detection module is used for detecting a human body and outputting a human body signal; when someone gets into the hotel room, human infrared detection module detects the human body and output human body signal, and signal processing module responds to human body signal control relay control module action, switch on the room power, no longer need guest plug-in card to get electricity, save time has promoted the use and has experienced to when the person leaves the hotel room again, signal processing module control relay control module resets, cuts off the room power, reduces the energy waste, energy-concerving and environment-protective.
Description
Technical Field
The invention relates to the field of power taking switches, in particular to a control system of a hotel intelligent human body induction power taking switch.
Background
The existing hotels, guests and the like all adopt induction card-inserting electricity-taking switches, and when guests in rooms need to take electricity, the power supply can be switched on by inserting the induction card into a card seat of the electricity-taking switch; when the customer leaves the room, the sensor card is taken down, and the power supply of the room is turned off, so that the effect of saving energy is achieved.
However, the traditional card-inserting and electricity-taking switch has poor identification capability, sometimes the card can be sensed only after long identification, the customer experience is reduced, and a plurality of bank cards or things with magnetic cards are inserted into the card seat of the card-inserting and electricity-taking switch, so that the power supply can be switched on, and the energy waste is caused.
Disclosure of Invention
The invention aims to provide a control system based on an intelligent human body induction power-taking switch of a hotel, which is used for switching on a room power supply when a person enters a hotel room, so that the use experience is improved.
The technical aim of the invention is realized by the following technical scheme: the control system based on the hotel intelligent human body induction power switch comprises a human body infrared detection module, a relay control module, a signal processing module and a switching power supply module, wherein the human body infrared detection module is used for detecting a human body and outputting human body signals, the relay control module is connected between a room power supply and an alternating current power supply, the signal processing module responds to the human body signals to control the relay control module to switch on the room power supply, and the switching power supply module supplies power for the signal processing module.
Through adopting above-mentioned technical scheme, when someone gets into the hotel room, human infrared detection module detects the human body and exports human body signal, signal processing module responds human body signal control relay control module action, switch on room power and alternating current power supply, no longer need guest plug-in card get electricity, save time, use experience has been promoted, and when the person leaves the hotel room again, signal processing module control relay control module resets, cut off room power supply, reduce the energy waste, it is energy-concerving and environment-protective.
Preferably, the switching power supply module comprises a rectifying circuit and a power management circuit which are sequentially connected.
By adopting the technical scheme, the rectification circuit converts alternating current of the alternating current power supply into direct current to supply power for the later-stage circuit, and the power management circuit protects the circuit and improves the power supply reliability.
Preferably, the switching power supply module is connected with a voltage stabilizing circuit module.
By adopting the technical scheme, the switching power supply module supplies power to the rear-stage circuit through the voltage stabilizing circuit module, so that the stability and reliability of power supply are improved.
Preferably, the alternating current power supply is connected with a zero crossing point detection circuit, and the signal processing module controls the action time of the relay control module according to the output of the zero crossing point detection circuit.
By adopting the technical scheme, the zero-crossing detection circuit can enable the relay control module to act when approaching to the zero position of the alternating current power supply, reduce the damage of surge impact energy to the relay control module, reduce the generation of sparks and prolong the service life of the relay control module.
Preferably, the human body infrared detection module comprises a PIR probe, the signal processing module comprises a singlechip, the singlechip processes the output of the PIR probe and obtains a positive slope signal indicating that a person enters a room or a negative slope signal indicating that the person leaves the room, the singlechip controls the relay control module to switch on a room power supply in response to the positive slope signal, and controls the relay control module to switch off the room power supply in response to the negative slope signal.
By adopting the technical scheme, when the singlechip processes to obtain a positive slope signal, the singlechip judges that a person walks into a room, and at the moment, the singlechip controls the relay control module to work so as to electrify a power supply in the hotel room and achieve the intelligent induction electricity taking effect; when the singlechip processes a negative slope signal, the person is judged to leave the room, and at the moment, the singlechip controls the relay control module to reset and disconnect the power supply of the room, so that the effects of intelligent power failure and energy conservation are achieved.
Preferably, the counter of the singlechip carries out 1-adding processing on the positive slope signal and 1-subtracting processing on the negative slope signal, and if the counter is larger than 0, the singlechip controls the relay control module to be connected with a room power supply.
By adopting the technical scheme, after a person enters a hotel room, the singlechip processes the signal to obtain a positive slope signal, and the room is electrified; when a plurality of people enter a room, the single chip can count the times of positive slope signals generated by statistics, and the counter carries out 1 adding treatment; when a plurality of people leave the room, the single chip can count the times of the generated negative slope signals, and the counter can perform 1 subtracting treatment; if the number of times of generating the positive slope signal is larger than the number of times of generating the negative slope signal, the counter is larger than 0, which indicates that people exist in the room, and the electrical appliances in the room are continuously electrified; if the number of times the positive slope signal is generated is equal to the number of times the negative slope signal is generated, the counter is equal to 0, indicating that the people in the room have all gone out, and the power supply of the room is turned off.
Preferably, the relay control module comprises a relay and a switch piece, wherein a normally open contact of the relay is connected to a room power supply, the switch piece is connected to an energizing loop of a coil of the relay, and a control end of the switch piece is connected to the signal processing module.
Through adopting above-mentioned technical scheme, the control end of switch spare is controlled by signal processing module, and when human infrared detection module detected that someone got into the room, signal control module controlled switch spare switched on, and the coil of relay is circular telegram, and the normally open contact of relay is closed, and the room power is supplied power to the room.
Preferably, the signal processing module is connected with a voice prompt module, the counter of the singlechip carries out 1 adding processing on the positive slope signal and 1 subtracting processing on the negative slope signal, the singlechip responds to the positive slope signal to control the voice prompt module to send out an energizing voice prompt, and if the counter is equal to 0 after receiving the negative slope signal, the singlechip controls the voice prompt module to send out an energizing voice prompt.
Through adopting above-mentioned technical scheme, send the circular telegram voice prompt when someone gets into the room, send the outage voice prompt when last person leaves the room, promote the resident and experience.
Preferably, the model of the singlechip is AS08X or AS09X series.
By adopting the technical scheme, the AS08X or AS09X series has wide application range and good application foundation, and is beneficial to saving the cost.
Preferably, the singlechip is connected with an LED indicator lamp, and the singlechip responds to the positive slope signal to control the LED indicator lamp to work.
By adopting the technical scheme, when a person exists in the room, the LED indicator lights emit light to indicate that the person exists in the room, and when the person does not exist in the room, the LED indicator lights are extinguished to indicate that the person does not exist in the room.
In summary, the invention has the following beneficial effects:
1. when a person enters a room, a room power supply is switched on to supply power for the room;
2. when no person exists in the room, the power supply of the room is disconnected, and the electric energy is saved;
3. the voice prompt module sends out power-on voice prompts or power-off voice prompts according to the number of people entering and exiting the room, and resident experience is improved.
Drawings
FIG. 1 is a system block diagram of the present embodiment;
fig. 2 is a schematic circuit diagram of the switching power module in the present embodiment;
fig. 3 is a circuit schematic diagram of the voltage stabilizing circuit module in the present embodiment;
fig. 4 is a schematic circuit diagram of the human body infrared detection module and the signal processing module in the present embodiment;
fig. 5 is a circuit schematic of the zero crossing point detection circuit in the present embodiment;
fig. 6 is a circuit schematic diagram of the relay control module of the present embodiment.
Reference numerals: 1. a human body infrared detection module; 101. PIR probe; 2. a relay control module; 201. a relay; 202. a switch member; 3. a signal processing module; 301. a single chip microcomputer; 4. a switching power supply module; 401. a rectifying circuit; 402. a power management circuit; 5. a voltage stabilizing circuit module; 6. a zero-crossing detection circuit; 7. a voice prompt module; 8. LED indicator light.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The following specific examples are intended to be illustrative of the invention and are not intended to be limiting, as modifications of the embodiments will be apparent to those skilled in the art upon reading the present specification without inventive contribution, but are intended to be within the scope of the following claims.
Control system based on hotel's intelligent human response gets electric switch, as shown in fig. 1, including switching power supply module 4, voltage stabilizing circuit module 5, human infrared detection module 1, relay control module 2, signal processing module 3 and voice prompt module 7, switching power supply module 4 is connected with the alternating current power supply that the commercial power provided, and switching power supply module 4 supplies power for zero crossing detection circuit 6, relay control module 2, signal processing module 3, human infrared detection module 1 and voice prompt module 7 through voltage stabilizing circuit module 5.
The relay control module 2 is connected between an alternating current power supply and a room power supply, the alternating current power supply is connected with a zero crossing point detection circuit 6, the zero crossing point detection circuit 6 detects zero positions of the alternating current power supply and feeds back the zero positions to the signal processing module 3, the human body infrared detection module 1 detects people entering and exiting the room and feeds back corresponding human body signals to the signal processing module 3, when people exist in the room, the signal processing module 3 controls the relay control module 2 to be connected with the alternating current power supply and the room power supply when the alternating current power supply approaches the zero positions, the room is powered, the signal processing module 3 is also connected with an LED indicator lamp 8, and when people exist in the room, the signal processing module 3 controls the LED indicator lamp 8 to emit light.
Referring to fig. 1 and 2, the switching power supply module 4 includes a rectifying circuit 401 and a power management circuit 402, where the rectifying circuit 401 converts ac power of an ac power supply into dc power by using an MB6S rectifier bridge stack, and the power management circuit 402 protects the circuit by using an LNK304D buck power conversion chip and supplies power to a subsequent circuit.
Referring to fig. 1 and 3, the voltage stabilizing circuit module 5 includes an AS7133 voltage stabilizing chip and an AS7150 voltage stabilizing chip, both of which have input ends connected to the output end of the LNK304D buck power conversion chip, where the AS7133 voltage stabilizing chip provides a power supply of 3.3V for the human infrared detection module 1, the signal processing module 3 and the zero crossing point detection circuit 6, and the AS7150 voltage stabilizing chip provides a power supply of 5V for the relay control module 2.
Referring to fig. 1 and 4, the human body infrared detection module 1 includes a PIR probe 101, the type of the PIR probe 101 is AH602, the signal processing module 3 adopts a single-chip microcomputer 301 with the type of AS08X or AS09X series, the output end of the PIR probe 101 is connected to the 2 nd pin of the single-chip microcomputer 301, the LED indicator lamp 8 is connected between the 3 rd pin of the single-chip microcomputer 301 and the ground, the 6 th pin of the single-chip microcomputer 301 is connected to the voice prompt module 7, the single-chip microcomputer 301 processes the output of the PIR probe 101 and obtains a positive slope signal indicating that a person enters a room or a negative slope signal indicating that a person leaves a room, when a plurality of persons enter the room, the single-chip microcomputer 301 counts the times of the generated positive slope signal, and the counter performs 1 adding processing; when a plurality of people leave the room, the singlechip 301 counts the times of the generated negative slope signals, and the counter performs 1 subtracting treatment; if the number of times of generating the positive slope signal is larger than the number of times of generating the negative slope signal, the counter is larger than 0, which indicates that people exist in the room, and the electrical appliances in the room are continuously electrified; if the number of times the positive slope signal is generated is equal to the number of times the negative slope signal is generated, the counter is equal to 0, indicating that the people in the room have all gone out, and the power supply of the room is turned off.
The signal processing module 3 is connected with the voice prompt module 7, the voice prompt module 7 adopts an LD3320 voice processing chip, when the singlechip 301 receives a positive slope signal, the singlechip 301 outputs 1 high-level signal of 1ms to the voice prompt module 7, the voice prompt module 7 sends out a welcome call, the room is in a power-on state, please pay attention to the power-on voice prompt of electricity safety, when the singlechip 301 receives a negative slope signal, the counter is equal to 0, namely the last person leaves the room, the singlechip 301 outputs 2 high-level signals of 1ms to the voice prompt module 7, and the voice prompt module 7 sends out a power-off voice prompt of 'the room will be powered off after 5 minutes and is withheld for the life' to promote the experience of residents.
Referring to fig. 4 and 5, the zero crossing detection circuit 6 includes resistors R4, R5, R6, R7, R8, a capacitor C13, and an NPN transistor Q2, where the resistors R4, R5, R7 are connected in series, one end of the resistor R4 is connected to the ac power supply, one end of the resistor R7 is connected to the base of the transistor Q2, the emitter of the transistor Q2 is grounded, the collector of the transistor Q2 is connected to a 3.3V power supply via the resistor R8, the collector of the transistor Q2 is connected to the 4 th pin of the singlechip 301, one end of the resistor R6 is connected between the resistors R5 and R7, the other end is grounded, the capacitor C13 is connected in parallel with the resistor R6, when the ac power supply is at a high potential, a high voltage is obtained after the voltage is divided by the resistors R4, R5, R6, and C13, the high voltage can make the transistor Q2 conductive, the 4 th pin of the singlechip 301 is considered to be at a low potential, and the singlechip 301 is not at a zero potential of the ac power supply, and the relay control module 2 is not started; when the alternating current power supply is close to zero potential, the triode Q2 is cut off, at the moment, the 4 th pin of the singlechip 301 is changed from low level to high level, the singlechip 301 considers that the alternating current power supply is positioned at zero potential, the relay control module 2 is started, damage of surge impact energy to the relay control module 2 is reduced, spark generation is reduced, and the service life of the relay control module 2 is prolonged.
Referring to fig. 4 and 6, the relay control module 2 includes a relay 201 and a switch element 202, the switch element 202 is an NPN type triode Q1, a base electrode of the switch element 202 is connected with a 7 th pin of the single chip microcomputer 301, an emitter electrode of the switch element 202 is grounded, a coil of the relay 201 is connected between a 5V power supply and a collector electrode of the switch element 202, a normally open contact of the relay 201 is connected between a switching power supply and a room power supply, when a counter of the single chip microcomputer 301 is greater than 0 and at a zero crossing point, the 7 th pin of the single chip microcomputer 301 outputs a high level, the switch element 202 is turned on, the relay 201 works, and the whole room is powered on; when the counter is equal to 0 and the singlechip 301 delays for 5 minutes, the 7 th pin of the singlechip outputs a low level, the switch element 202 is cut off, the relay 201 does not work, and the power supply of a room is disconnected.
The specific working process comprises the following steps: when a person enters a room, the counter is larger than 0, and when the switching power supply is close to zero potential, the singlechip 301 controls the switch piece 202 to be turned on, the relay 201 acts, the room power supply is turned on to supply power for the room, meanwhile, the voice prompt module 7 sends out a welcome voice prompt, the room is in a power-on state, and a power-on voice prompt of electricity safety is noticed.
When the last person in the room leaves the room, the counter is equal to 0, the voice prompt module 7 sends a power-off voice prompt that the room is powered off after 5 minutes, and the user is thanks to the power-off voice prompt, the singlechip 301 delays for 5 minutes and then controls the switch element 202 to be turned off, the relay 201 resets, the power supply of the room is disconnected, and the electric energy is saved.
Claims (5)
1. Control system based on hotel's intelligent human response gets electric switch, characterized by: the human body infrared detection module (1) is used for detecting a human body and outputting a human body signal, the relay control module (2) is connected between a room power supply and an alternating current power supply, the signal processing module (3) responds to the human body signal to control the relay control module (2) to switch on the room power supply, and the switch power supply module (4) supplies power to the signal processing module (3);
the human body infrared detection module (1) comprises a PIR probe (101), the signal processing module (3) comprises a singlechip (301), the singlechip (301) processes the output of the PIR probe (101) and obtains a positive slope signal indicating that a person enters a room or a negative slope signal indicating that the person leaves the room, the singlechip (301) controls the relay control module (2) to switch on a room power supply in response to the positive slope signal, and controls the relay control module (2) to switch off the room power supply in response to the negative slope signal;
the counter of the singlechip (301) is used for adding 1 to the positive slope signal and subtracting 1 to the negative slope signal, and if the counter is larger than 0, the singlechip (301) controls the relay control module (2) to be connected with a room power supply;
the signal processing module (3) is connected with the voice prompt module (7) and the LED indicator lamp (8), the counter of the singlechip (301) is used for adding 1 to the positive slope signal and subtracting 1 to the negative slope signal, the singlechip (301) is used for responding to the positive slope signal to control the voice prompt module (7) to send out an energizing voice prompt, if the counter of the singlechip (301) is equal to 0 after receiving the negative slope signal, the singlechip (301) is used for controlling the voice prompt module (7) to send out an energizing voice prompt, the singlechip (301) is used for responding to the positive slope signal to control the LED indicator lamp (8) to work, and the model of the singlechip (301) is AS08X or AS09X series.
2. The control system based on hotel intelligent human body induction power switch as claimed in claim 1, characterized in that: the switching power supply module (4) comprises a rectifying circuit (401) and a power supply management circuit (402) which are sequentially connected.
3. The control system based on hotel intelligent human body induction power switch as claimed in claim 1, characterized in that: the switching power supply module (4) is connected with a voltage stabilizing circuit module (5).
4. The control system based on hotel intelligent human body induction power switch as claimed in claim 1, characterized in that: the alternating current power supply is connected with a zero crossing point detection circuit (6), and the signal processing module (3) controls the action time of the relay control module (2) according to the output of the zero crossing point detection circuit (6).
5. The control system based on hotel intelligent human body induction power switch as claimed in claim 1, characterized in that: the relay control module (2) comprises a relay (201) and a switch piece (202), wherein a normally open contact of the relay (201) is connected to a room power supply, the switch piece (202) is connected to an electrified loop of a coil of the relay (201), and a control end of the switch piece (202) is connected to the signal processing module (3).
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| CN201810347057.7A CN108400782B (en) | 2018-04-18 | 2018-04-18 | Control system based on hotel intelligent human body induction power taking switch |
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| CN201810347057.7A CN108400782B (en) | 2018-04-18 | 2018-04-18 | Control system based on hotel intelligent human body induction power taking switch |
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| CN108400782A CN108400782A (en) | 2018-08-14 |
| CN108400782B true CN108400782B (en) | 2024-01-16 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109358516A (en) * | 2018-10-09 | 2019-02-19 | 芜湖博高光电科技股份有限公司 | A kind of intelligent electric power utilization system based on millimeter wave life detection and use method for electrically |
| CN109799800A (en) * | 2019-04-08 | 2019-05-24 | 中能恒泰电气科技有限公司 | ECC management system towards the control of industrial enterprise's comprehensive energy |
| CN110996478B (en) * | 2019-12-30 | 2022-04-19 | 四川虹美智能科技有限公司 | Intelligent switch, and method and system for automatically closing electric equipment |
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| CN208209919U (en) * | 2018-04-18 | 2018-12-07 | 深圳市全智芯科技有限公司 | Human body infrared incudes electricity-getting switch |
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| US7155317B1 (en) * | 2004-08-20 | 2006-12-26 | Nhan Tran | Occupant Counter Control Switch for automatic turning on and off electrical appliances in a room |
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