CN207427549U - A kind of Intelligent digital conference system - Google Patents
A kind of Intelligent digital conference system Download PDFInfo
- Publication number
- CN207427549U CN207427549U CN201721470032.3U CN201721470032U CN207427549U CN 207427549 U CN207427549 U CN 207427549U CN 201721470032 U CN201721470032 U CN 201721470032U CN 207427549 U CN207427549 U CN 207427549U
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- control module
- power supply
- connection
- module
- diode
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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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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a kind of Intelligent digital conference system, including：Sensor assembly, lighting control module, mobile control module and power module；The sensor assembly receives the power supply of power module for sending sensor signal to lighting control module；The lighting control module receives the power supply of power module for the sensor signal of receiving sensor module and the control signal of mobile control module；The mobile control module receives the power supply of power module for sending a control signal to lighting control module；By pyroelectric sensor, opened when meeting personnel enter meeting room without manual unlocking light, light automation, front-seat lamps and lanterns and heel row lamps and lanterns are controlled by smart machine, can arbitrarily convert light, control is simple, simple operation, and related personnel need not walk about and can control light, save the time, improve meeting efficiency, it is more intelligent, and the circuit structure is simple, control effect is good, at low cost.
Description
Technical field
The utility model belongs to technical field of smart office, and in particular to a kind of Intelligent digital conference system.
Background technology
Modern multimedia meeting room has become the more and more important design scope of Modern New office building, with computer
Centered on multimedia technology popularization and raising, to meeting work bring new means and method, especially in recent years, depending on
The visual informations such as frequency meeting, remote teaching technology is used widely in meeting room field, and multimedia conferencing room is with its function
Diversity（Such as on-the-spot meeting, academic report, training and teaching）Obtain rapid proliferation.Either make in multimedia conferencing room
Report is summarized, reported, products Presentation etc., with the scheming of computer interactive operation, text, sound, shadow, picture display, given full play to
The sensory perception of meeting person, substantially increases effect of meeting, and meeting room has come into multimedia era.
The meeting room of one modernization be unable to do without the use of projecting apparatus, and when using a projector, front-seat light can influence to throw
The drop shadow effect of shadow instrument causes personnel participating in the meeting not see screen, and in current numeric type meeting room or manual manual operation switch
Light is controlled, too strong to the dependence of people in the signal light control of meeting room at this time, control not intelligence, operation is not easy, reduces
Meeting efficiency increases time cost, in addition, is also opened in existing numeric type conference system without intelligent-induction human body
The technology of light.
Utility model content
Not intelligent technological deficiency is controlled for light existing in the prior art is overcome to unlatch and close, the utility model discloses
A kind of Intelligent digital conference system.
Technical solution is a kind of Intelligent digital conference system used by the utility model solves its technical problem, bag
It includes：Sensor assembly, lighting control module, mobile control module and power module；The sensor assembly senses for sending
Device signal receives the power supply of power module to lighting control module；The lighting control module is used for receiving sensor mould
The control signal of the sensor signal of block and mobile control module, while receive the power supply of power module；The mobile control mould
Block receives the power supply of power module for sending a control signal to lighting control module.
Further, the lighting control module includes lighting control circuit, and the lighting control circuit includes pyroelectricity
Infrared sensor, amplifier, analog-digital converter, first switch, second switch, front-seat lamps and lanterns, heel row lamps and lanterns, relay, the 3rd
Diode, NPN triode, the 5th resistance, bluetooth wireless receiving end, intelligent control device；
The input terminal connection power output end of the pyroelectric infrared sensor, the signal output of pyroelectric infrared sensor
The input terminal of end connection amplifier, the input terminal of the output terminal connection analog-digital converter of amplifier, the output terminal of analog-digital converter
It is connected with first switch and second switch control, front-seat lamps and lanterns are in parallel with heel row lamps and lanterns after connecting with second switch to form the first public affairs
End and the second common port altogether, the first end of the first switch connect the first common port, the second end connection power supply of first switch
Output terminal, the second common end grounding；The second switch is connected with relay control；
The relay both ends the 3rd diode in parallel, the cathode of the 3rd diode are connected to power supply, and the described 3rd
The collector of the anode connection NPN triode of diode, the NPN triode transmitter ground connection, the NPN transistor base are led to
The 5th resistance connection bluetooth wireless receiving end is crossed, the bluetooth wireless receiving end is communicated to connect with intelligent control device.
Further, the intelligent control device is mobile phone terminal or computer terminal.
The lighting control circuit further includes rectification circuit, and the rectification circuit includes：ACDC power supply chips, the first electricity
Resistance, second resistance, the first capacitance, the first diode；Alternating current is converted to direct current electricity output, direct current by the ACDC power supply chips
It is connected in series first resistor and second resistance between power output end and ground, the common port connection of first resistor and second resistance the
The first end of one capacitance, the second end ground connection of the first capacitance, the first end of the first capacitance are also connected with the anode of the first diode, the
The cathode connection power output end of one diode.
Further, the ACDC power supply chips are TMF0165 chips.
Filter circuit is also associated between the cathode of first diode and the input terminal of pyroelectric infrared sensor, institute
Stating filter circuit includes：3rd resistor and the second capacitance；The cathode of first diode passes through the second electricity of 3rd resistor connection
The first end of appearance, the second end ground connection of the second capacitance, while the second end of the second capacitance is also connected with pyroelectric infrared sensor
Input terminal.
The beneficial effects of the utility model are：By pyroelectric sensor, when meeting personnel enter meeting room without hand
Dynamic to open light, light automation opens, front-seat lamps and lanterns and heel row lamps and lanterns is controlled by smart machine, can arbitrarily convert lamp
Light, control is simple, simple operation, and related personnel need not walk about and can control light, save the time, improve meeting efficiency, more
Add intelligence, the circuit structure is simple, and control effect is good, at low cost.
Description of the drawings
Fig. 1 is the lighting control circuit schematic diagram of the utility model.
Fig. 2 is the motor-drive circuit schematic diagram of the utility model.
Reference numeral：AC- AC powers, ACDC- power supply chips, R1- first resistors, R2- second resistances, the first electricity of C1-
Hold, the first diodes of D1-, R3- 3rd resistors, the second diodes of D2-, the second capacitances of C2-, R4- pyroelectric infrared sensors,
AMP- amplifiers, ADC- analog-digital converters, K1- first switches, K2- second switches, L1- front rows lamps and lanterns, L2- heel row lamps and lanterns, JR-
Relay, the 3rd diodes of D3-, T-NPN triodes, the 5th resistance of R5-.
Specific embodiment
More detailed description is done to the embodiment of the utility model below in conjunction with attached drawing and reference numeral, makes to be familiar with ability
The technology people in domain can implement according to this after this specification is studied carefully.It should be appreciated that specific embodiment described herein is only solving
The utility model is released, is not used to limit the utility model.
A kind of Intelligent digital conference system, including：Sensor assembly, lighting control module, mobile control module and electricity
Source module；The sensor assembly receives the power supply of power module for sending sensor signal to lighting control module；
The lighting control module connects simultaneously for the sensor signal of receiving sensor module and the control signal of mobile control module
Receive the power supply of power module；The mobile control module receives power supply for sending a control signal to lighting control module
The power supply of module；By the setting of sensor assembly, make one when into meeting room, sense the infrared ray of human body radiation so as to
Light is automatically turned on, without artificially controlling switch, is opened intelligent；By lighting control module, when meeting room uses projecting apparatus
When, can unlatching or the pass of the terminal controls front row lamps and lanterns such as computer or mobile phone and heel row lamps and lanterns be used by mobile control module
It closes, it is easy to operate without personnel's mobile switching control, the time is saved, improves meeting efficiency, intelligent control.
The lighting control module includes lighting control circuit, and the lighting control circuit includes pyroelectric infrared sensor
R4, amplifier AMP, analog-digital converter ADC, first switch K1, second switch K2, front-seat lamps and lanterns L1, heel row lamps and lanterns L2, relay
JR, the 3rd diode D3, NPN triode T, the 5th resistance R5, bluetooth wireless receiving end, intelligent control device；
The input terminal connection power output end of the pyroelectric infrared sensor R4, the signal of pyroelectric infrared sensor R4
The input terminal of output terminal connection amplifier AMP, the input terminal of the output terminal connection analog-digital converter ADC of amplifier AMP, modulus turn
The output terminal of parallel operation ADC is connected with first switch K1 and second switch K2 controls, after front-seat lamps and lanterns L1 connects with second switch K2
The first common port of formation in parallel with heel row lamps and lanterns L2 and the second common port, the first end connection first of the first switch are public
End, the second end connection power output end of first switch, the second common end grounding；The second switch connects with relay JR controls
It connects；Pyroelectric infrared sensor R4 output voltage signals after the infra-red radiation of human body is received, voltage signal is through amplification
Device AMP amplifies to form enough large gains, then converts analog signals into digital signal by analog-digital converter ADC, is at this time height
Level signal, first switch K1 receive high level signal with second switch K2 and are closed, front-seat lamps and lanterns L1 and heel row lamps and lanterns L2
It opens, so light is opened in meeting room.
The 3rd diode D3 of the relay JR both ends parallel connection, the cathode of the 3rd diode D3 are connected to power supply, institute
State the collector of the anode connection NPN triode T of the 3rd diode D3, the NPN triode T emitters ground connection, the NPN tri-
By the 5th resistance R5 connection bluetooth wireless receivings end, the bluetooth wireless receiving end leads to pole pipe T base stages with intelligent control device
Letter connection；Wherein, the 5th resistance R5 is for limiting base current, and the 3rd diode D3 is for the two poles of the earth when eliminating relay power
Between issuable surge voltage, by bluetooth equipment, the open and-shut mode of intelligent terminal signal control relay JR works as projection
When instrument is opened, manual operation intelligent terminal disconnects relay, and second switch K2 is disconnected at this time, and front-seat lamps and lanterns are closed, knot
Again relay is controlled to be attracted during beam projector use, second switch K2 is closed, and front-seat lamps and lanterns are opened, simple operation, and control is simple,
And circuit structure is simple, it is at low cost.
The intelligent control device is mobile phone terminal or computer terminal；By hand-held terminal device, without people control is gone to open
It closes, it is easy to operate, the time is saved, improves efficiency.
The lighting control circuit further includes rectification circuit, and the rectification circuit includes：ACDC power supply chips, first resistor
R1, second resistance R2, the first capacitance C1, the first diode D1；It is defeated that alternating current is converted to direct current by the ACDC power supply chips
Go out, first resistor R1 and second resistance R2, first resistor R1 and second resistance are connected in series between DC power output end and ground
The common port of R2 connects the first end of the first capacitance C1, and the second end ground connection of the first capacitance C1, the C1 first ends of the first capacitance are also
Connect the anode of the first diode D1, the cathode connection power output end of the first diode D1；Wherein first resistor R1 and second
Resistance R2 partial pressures reduce the DC level of ACDC power supply chips output, turn for the relatively low amplifier AMP of rated supply voltage, modulus
The devices such as parallel operation ADC and switch use；First capacitance C1 provides the voltage after a relatively stable partial pressure, and the first diode D1 is used
In progress first time rectification.
The ACDC power supply chips are TMF0165 chips, and TMF0165 chips are a high integration, high performance PWM+
Current mode Off-line SMPS controller two-in-one MOSFET.Suitable for all kinds of small-powers such as charger, power supply adaptor
Switching Power Supply.It is encapsulated using DIP8, without adding the power of the exportable 0~36W of radiator.Circuit structure is simple, at low cost.
With the defencive function that over-pressed, under-voltage, excess temperature, overload, soft start, short circuit etc. are perfect.
Filtered electrical is also associated between the cathode of the first diode D1 and the input terminal of pyroelectric infrared sensor R4
Road, the filter circuit include：3rd resistor R3 and the second capacitance C2；The cathode of the first diode D1 passes through 3rd resistor
The first end of R3 the second capacitances of connection C2, the second end ground connection of the second capacitance C2, while the second end of the second capacitance C2 is also connected with
The input terminal of pyroelectric infrared sensor R4；Wherein, 3rd resistor R3 and the second capacitance C2 compositions wave filter, filters out for the first time
Ripple after rectification improves the supply voltage stability of the devices such as amplifier AMP, analog-digital converter ADC and switch.
The above content is the further descriptions made with reference to specific preferred embodiment to the utility model, it is impossible to recognize
Determine specific embodiment of the present utility model and be confined to these explanations.For the common skill of the utility model technical field
For art personnel, the other embodiment that is drawn in the case where not departing from the technical solution of the utility model should be included in this practicality
In new protection domain.
Claims (6)
1. a kind of Intelligent digital conference system, it is characterised in that：Including：Sensor assembly, lighting control module, mobile control
Module and power module；The sensor assembly receives power supply mould for sending sensor signal to lighting control module
The power supply of block；The lighting control module is for the sensor signal of receiving sensor module and the control letter of mobile control module
Number, while receive the power supply of power module；The mobile control module is for sending a control signal to lighting control module, simultaneously
Receive the power supply of power module.
2. a kind of Intelligent digital conference system as described in claim 1, it is characterised in that：The lighting control module includes
Lighting control circuit, the lighting control circuit include pyroelectric infrared sensor（R4）, amplifier（AMP）, analog-digital converter
（ADC）, first switch（K1）, second switch（K2）, front-seat lamps and lanterns（L1）, heel row lamps and lanterns（L2）, relay（JR）, the three or two pole
Pipe（D3）, NPN triode（T）, the 5th resistance（R5）, bluetooth wireless receiving end, intelligent control device；
The pyroelectric infrared sensor（R4）Input terminal connection power output end, pyroelectric infrared sensor（R4）Signal
Output terminal connects amplifier（AMP）Input terminal, amplifier（AMP）Output terminal connection analog-digital converter（ADC）Input terminal,
Analog-digital converter（ADC）Output terminal and first switch（K1）And second switch（K2）Control connection, front-seat lamps and lanterns（L1）With
Two switches（K2）After series connection with heel row lamps and lanterns（L2）Parallel connection forms the first common port and the second common port, and the of the first switch
One end connects the first common port, the second end connection power output end of first switch, the second common end grounding；The second switch
With relay（JR）Control connection；
The relay（JR）The 3rd diode of both ends parallel connection（D3）, the 3rd diode（D3）Cathode be connected to power supply,
3rd diode（D3）Anode connection NPN triode（T）Collector, the NPN triode（T）Emitter is grounded,
The NPN triode（T）Base stage passes through the 5th resistance（R5）Connect bluetooth wireless receiving end, the bluetooth wireless receiving end and intelligence
It can control device communication connection.
3. a kind of Intelligent digital conference system as claimed in claim 2, it is characterised in that：The intelligent control device is hand
Machine terminal or computer terminal.
4. a kind of Intelligent digital conference system as claimed in claim 2, it is characterised in that：The lighting control circuit also wraps
Rectification circuit is included, the rectification circuit includes：ACDC power supply chips, first resistor（R1）, second resistance（R2）, the first capacitance
（C1）, the first diode（D1）；Alternating current is converted to direct current electricity output by the ACDC power supply chips, DC power output end with
First resistor is connected in series between ground（R1）And second resistance（R2）, first resistor（R1）With second resistance（R2）Common port connect
Connect the first capacitance（C1）First end, the first capacitance（C1）Second end ground connection, the first capacitance（C1）First end is also connected with
One diode（D1）Anode, the first diode（D1）Cathode connection power output end.
5. a kind of Intelligent digital conference system as claimed in claim 4, it is characterised in that：The ACDC power supply chips are
TMF0165 chips.
6. a kind of Intelligent digital conference system as claimed in claim 4, it is characterised in that：First diode（D1）'s
Cathode and pyroelectric infrared sensor（R4）Input terminal between be also associated with filter circuit, the filter circuit includes：3rd
Resistance（R3）With the second capacitance（C2）；First diode（D1）Cathode pass through 3rd resistor（R3）Connect the second capacitance
（C2）First end, the second capacitance（C2）Second end ground connection, while the second capacitance（C2）Second end to be also connected with pyroelectricity red
Outer sensor（R4）Input terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721470032.3U CN207427549U (en) | 2017-11-07 | 2017-11-07 | A kind of Intelligent digital conference system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721470032.3U CN207427549U (en) | 2017-11-07 | 2017-11-07 | A kind of Intelligent digital conference system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207427549U true CN207427549U (en) | 2018-05-29 |
Family
ID=62307856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721470032.3U Expired - Fee Related CN207427549U (en) | 2017-11-07 | 2017-11-07 | A kind of Intelligent digital conference system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207427549U (en) |
-
2017
- 2017-11-07 CN CN201721470032.3U patent/CN207427549U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 Termination date: 20191107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |