CN105867061A - Intelligent projector based on Internet of things - Google Patents
Intelligent projector based on Internet of things Download PDFInfo
- Publication number
- CN105867061A CN105867061A CN201610420268.XA CN201610420268A CN105867061A CN 105867061 A CN105867061 A CN 105867061A CN 201610420268 A CN201610420268 A CN 201610420268A CN 105867061 A CN105867061 A CN 105867061A
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- Prior art keywords
- audion
- resistance
- things
- internet
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/145—Housing details, e.g. position adjustments thereof
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention relates to an intelligent projector based on Internet of things. The intelligent projector comprises a main body, a regulating mechanism, two support frames, a signal receiving and sending window, a lens and a power supply press key, wherein the regulating mechanism comprises a cylindrical casing, positioning assemblies, a first regulating assembly and a second regulating assembly; the cylindrical casing is arranged under the main body; the positioning assemblies are arranged at the two sides of the cylindrical casing; the first regulating assembly is arranged under the cylindrical casing; the second regulating assembly is arranged above the support frames. The intelligent projector based on the Internet of things has the advantages that the opening and closing angle of each support frame is realized through regulating the relative displacement of outer teeth of the regulating gear and fixed teeth of the inner wall of a position limiting groove; the height regulation of the main body is realized; in addition, in a voltage stabilizing control circuit, the change quantity of the output voltage of the voltage stabilizing circuit is amplified through a second triode amplification tube; the result is sent to a base electrode of a first triode of the regulation tube; the tube pressure drop of the first triode of the regulation tube can be caused to generate great change, so that the stability of the output voltage is improved, and the stability and the reliability of the work of the projector are improved.
Description
Technical field
The present invention relates to a kind of smart projector based on Internet of Things.
Background technology
Projector, also known as scialyscope, is by image by digital light treatment technology or LCD liquid crystal imaging technology
Or VIDEO PROJECTION or reflex to the equipment on screen, can by different signal sources, as computer, mobile phone,
DVD, DV access corresponding image and video signal, it is achieved play.Projector be widely used in education, commercial affairs,
The place such as engineering, domestic.Projector, according to operation principle, is broadly divided into the types such as DLP, LCD.
In existing projector, it is substantially projection angle and the height being controlled projector by motor,
But after long-term work, often there is the phenomenon of ageing equipment in motor, thus just reduces angle and adjust
The reliability of joint;Moreover, the working power at a lot of projectors adjusts in circuit, its output loading electricity
The scope of stream is wide, but less stable, thus reduce the reliability of projector work.
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome the deficiencies in the prior art, it is provided that a kind of based on thing
The smart projector of networking.
The technical solution adopted for the present invention to solve the technical problems is: a kind of intelligence projection based on Internet of Things
Instrument, including main body, is arranged on the governor motion below main body, two supports being arranged on below governor motion
Frame, signal transmitting and receiving window, camera lens and the power button being arranged in main body;
Described governor motion includes being arranged on the cylindrical housings below main body, is arranged on cylindrical housings both sides
Positioning component, be arranged on the first adjusting part below cylindrical housings and be arranged on above bracing frame
Two adjusting parts, the quantity of described first adjusting part and the quantity of the second adjusting part are two and one by one
Correspondence, described first adjusting part includes bearing pin, stopper slot and some fixing teeth, described stopper slot vertical
Cross section is semicircle, described stopper slot opening down, and described bearing pin is fixed on the both sides of stopper slot, described
Fixing tooth is uniformly arranged on the inwall of stopper slot, and described second adjusting part includes regulating gear, described regulation
The periphery of gear is provided with external tooth, and described external tooth is uniformly distributed along the periphery circumference of regulation gear, described regulation
The external tooth of gear engages with the fixing tooth of the inwall of stopper slot, and the center of described regulation gear is provided with through hole, institute
State regulation gear by through hole and hinge;
Bluetooth, PLC and voltage stabilizing control module, described bluetooth, voltage stabilizing control module, letter it is provided with in described main body
Number transmitting-receiving window, camera lens and power button electrically connect with PLC, and described voltage stabilizing control module includes voltage stabilizing control
Circuit, described controlling circuit of voltage regulation include the first resistance, the second resistance, the 3rd resistance, the 4th resistance, can
Adjusting resistance, the first audion, the second audion and Zener diode, the colelctor electrode of described first audion leads to
The base stage crossing the second resistance and the first audion connects, and the colelctor electrode of described first audion passes through the first resistance
Being connected with the emitter stage of the second audion, the base stage of described first audion connects with the colelctor electrode of the second audion
Connecing, the described emitter stage of the second audion is connected with the negative electrode of Zener diode, the sun of described Zener diode
Pole ground connection, the base stage of described second audion is connected with the adjustable end of adjustable resistance, described first audion
Emitter stage is by the 3rd resistance, adjustable resistance and the series circuit ground connection of the 4th resistance composition.
As preferably, in order to ensure the appointment position that cylindrical housings can be fixed in main body, improve projection
The reliability of instrument, described positioning component includes that housing, steel ball and spring, the inside of described housing are provided with groove,
Described spring is arranged on the inside of groove, and described steel ball is positioned at the notch of groove, and one end of described spring is fixed
On steel ball, the other end of described spring is fixed on the bottom of groove, and described housing is fixed on cylindrical housings
On.
As preferably, the inside of described main body is provided with the matching slot corresponding with positioning component, described matching slot
Match with steel ball.
As preferably, in order to ensure that regulation gear reliably slides in circular cylindrical shell body, described regulation tooth
Wheel is provided with guide pad, and the vertical cross-section of described guide pad is T-shaped, the inside of described cylindrical housings with lead
Be provided with gathering sill to the position that block is corresponding, described gathering sill mates with guide pad.
As preferably, described first audion and the second audion are NPN audion.
As preferably, described power button is touch key.
As preferably, in order to improve the flame retardant rating of projector, improve its reliability, described main body fire-retardant
Grade is V-0.
The invention has the beneficial effects as follows, be somebody's turn to do in smart projector based on Internet of Things, by regulation regulation gear
External tooth and stopper slot inwall fixing tooth between relative displacement realize the folding angle of bracing frame, real
The altitude mixture control of existing main body;Moreover, in controlling circuit of voltage regulation, will by the second audion amplifier tube
The variable quantity of the output voltage of mu balanced circuit amplifies, and delivers to adjust the base stage of pipe the first audion, can cause tune
The tube voltage drop of homogeneous tube the first audion produces bigger change, therefore improves the stability of output voltage,
Thus improve stability and the reliability of projector work.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of present invention smart projector based on Internet of Things;
Fig. 2 is the structural representation of the governor motion of present invention smart projector based on Internet of Things;
Fig. 3 is the structural representation of the regulation gear of present invention smart projector based on Internet of Things;
Fig. 4 is the structural representation of the guide pad of present invention smart projector based on Internet of Things;
Fig. 5 is the structural representation of the positioning component of present invention smart projector based on Internet of Things;
Fig. 6 is the circuit theory diagrams of the controlling circuit of voltage regulation of present invention smart projector based on Internet of Things;
In figure: 1. main body, 2. signal transmitting and receiving window, 3. camera lens, 4. power button, 5. cylindrical housings, 6.
Support, 7. bearing pin, 8. fix tooth, 9. stopper slot, 10. positioning component, 11. through holes, 12. guide pads, and 13. adjust
Joint gear, 14. steel balls, 15. springs, 16. housings, R1. the first resistance, R2. the second resistance, R3. the 3rd electricity
Resistance, R4. the 4th resistance, Rp1. adjustable resistance, Q1. the first audion, Q2. the second audion, D1. voltage stabilizing two
Pole is managed.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification,
The basic structure of the present invention is described the most in a schematic way, and therefore it only shows the composition relevant with the present invention.
As shown in figs 1 to 6, a kind of smart projector based on Internet of Things, including main body 1, it is arranged on master
Governor motion below body 1, two bracing frames being arranged on below governor motion 6, arrange on the body 1
Signal transmitting and receiving window 2, camera lens 3 and power button 4;
Described governor motion includes being arranged on the cylindrical housings 5 below main body 1, is arranged on cylindrical housings 5
The positioning component 10 of both sides, it is arranged on the first adjusting part below cylindrical housings 5 and is arranged on bracing frame
The second adjusting part above in the of 6, the quantity of described first adjusting part and the quantity of the second adjusting part are two
Individual and one_to_one corresponding, described first adjusting part includes bearing pin 7, stopper slot 9 and some fixing teeth 8, described
The vertical cross-section of stopper slot 9 is semicircle, described stopper slot 9 opening down, and described bearing pin 7 is fixed on
The both sides of stopper slot 9, described fixing tooth 8 is uniformly arranged on the inwall of stopper slot 9, described second regulation group
Part includes regulating gear 13, and the periphery of described regulation gear 13 is provided with external tooth, and described external tooth is along regulation gear
The periphery circumference of 13 is uniformly distributed, the external tooth of described regulation gear 13 and the fixing tooth 8 of the inwall of stopper slot 9
Engagement, the center of described regulation gear 13 is provided with through hole 11, and described regulation gear 13 is by through hole 11 and pin
Axle 7 is hinged;
Be provided with bluetooth, PLC and voltage stabilizing control module in described main body 1, described bluetooth, voltage stabilizing control module,
Signal transmitting and receiving window 2, camera lens 3 and power button 4 electrically connect with PLC, and described voltage stabilizing control module includes surely
Pressure control circuit, described controlling circuit of voltage regulation include the first resistance R1, the second resistance R2, the 3rd resistance R3,
4th resistance R4, adjustable resistance Rp1, the first audion Q1, the second audion Q2 and Zener diode D1,
The colelctor electrode of described first audion Q1 is connected by the base stage of the second resistance R2 and the first audion Q1, institute
The colelctor electrode stating the first audion Q1 is connected by the emitter stage of the first resistance R1 and the second audion Q2, institute
The colelctor electrode of the base stage and the second audion Q2 of stating the first audion Q1 is connected, described second audion Q2's
Emitter stage is connected with the negative electrode of Zener diode D1, the plus earth of described Zener diode D1, and described
The base stage of two audion Q2 is connected with the adjustable end of adjustable resistance Rp1, the transmitting of described first audion Q1
Pole is by the 3rd resistance R3, adjustable resistance Rp1 and the series circuit ground connection of the 4th resistance R4 composition.
As preferably, in order to ensure the appointment position that cylindrical housings 5 can be fixed in main body 1, improve
The reliability of projector, described positioning component 10 includes housing 16, steel ball 14 and spring 15, described housing
The inside of 16 is provided with groove, and described spring 15 is arranged on the inside of groove, and described steel ball 14 is positioned at groove
Notch, one end of described spring 15 is fixed on steel ball 14, and the other end of described spring 15 is fixed on groove
Bottom, described housing 16 is fixed in cylindrical housings 5.
As preferably, the inside of described main body 1 is provided with the matching slot corresponding with positioning component 10, described
Join groove to match with steel ball 14.
As preferably, in order to ensure that regulation gear 13 reliably slides in cylindrical housings 5, described tune
Joint gear 13 is provided with guide pad 12, and the vertical cross-section of described guide pad 12 is T-shaped, described circular cylindrical shell
The position corresponding with guide pad 12, the inside of body 5 is provided with gathering sill, and described gathering sill mates with guide pad 12.
As preferably, described first audion Q1 and the second audion Q2 is NPN audion.
As preferably, described power button 4 is touch key.
As preferably, in order to improve the flame retardant rating of projector, improve its reliability, the resistance of described main body 1
Combustion grade is V-0.
Being somebody's turn to do in smart projector based on Internet of Things, signal transmitting and receiving window 2 is used for transmitting/receiving wireless control signal,
Realize user's intellectual remote controlling to projector, improve the intellectuality of projector;Camera lens 3 is used for will
Image projects;Power button 4 is used for controlling the startup work of projector, improves the reliable of projector
Property;PLC is used for controlling the normal work of modules, improves the reliability of scialyscope;Bluetooth is then used for real
The remote communicating function of existing projector;Voltage stabilizing control module is for controlling the reliability of projector work, wherein,
In controlling circuit of voltage regulation, introduce amplifying element at mu balanced circuit.In figure, the first audion Q1 is for adjusting pipe. the
Two audion Q2 are amplifier tube, and the first resistance R1 is the collector load resistor device of the second audion Q2.The
The effect of two audion Q2 amplifier tubes is first to be amplified by the variable quantity of the output voltage of mu balanced circuit, send the most again
To the base stage of adjustment pipe the first audion Q1, as long as so output voltage has the most small change, just can draw
The tube voltage drop playing adjustment pipe the first audion Q1 produces bigger change, therefore improves the steady of output voltage
Qualitative.The amplification of amplifier tube the second audion Q2 is bigger, then the stability of output voltage is better.And the
Three resistance R3, adjustable resistance Rp1 and the 4th resistance R4 form potentiometer, for output voltage is sampled,
Therefore referred to as sampling resistor.Wherein adjustable resistance Rp1 is adjustable resistor.Zener diode D1 provides benchmark
Voltage, is then sent through the second audion after the sampling voltage of adjustable resistance Rp1 taking-up compares with reference voltage
Q2 amplifier tube is amplified.
Being somebody's turn to do in smart projector based on Internet of Things, governor motion is then used for regulating the height of main body 1, thus
Ensure that the reliability that projector works, wherein, regulation gear 13 is hinged with bearing pin 7 by through hole 11,
Engaged with the fixing tooth 8 of the inwall of stopper slot 9 by the external tooth of regulation gear 13 simultaneously, the most just can pass through
Relative displacement between the fixing tooth 8 of the external tooth of regulation gear 13 and the inwall of stopper slot 9 realizes bracing frame
The folding angle of 6, it is achieved the altitude mixture control of main body 1.
Compared with prior art, it is somebody's turn to do in smart projector based on Internet of Things, by regulation regulation gear 13
Relative displacement between the fixing tooth 8 of the inwall of external tooth and stopper slot 9 realizes the folding angle of bracing frame 6,
The altitude mixture control of realization body 1;Moreover, in controlling circuit of voltage regulation, put by the second audion Q2
The variable quantity of the output voltage of mu balanced circuit is amplified by big pipe, delivers to adjust the base stage of pipe the first audion Q1,
The tube voltage drop adjusting pipe the first audion Q1 can be caused to produce bigger change, therefore improve output voltage
Stability, thus improve projector work stability and reliability.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, related work
Personnel can carry out various change and amendment completely in the range of without departing from this invention technological thought.
The content that the technical scope of this invention is not limited in description, it is necessary to according to right
Determine its technical scope.
Claims (7)
1. a smart projector based on Internet of Things, it is characterised in that include main body (1), be arranged on master
Governor motion, two bracing frames being arranged on below governor motion (6) of body (1) lower section, it is arranged on main body
(1) signal transmitting and receiving window (2), camera lens (3) and the power button (4) on;
Described governor motion includes being arranged on the cylindrical housings (5) of main body (1) lower section, being arranged on cylinder
The positioning component (10) of housing (5) both sides, it is arranged on the first adjusting part of cylindrical housings (5) lower section
With the second adjusting part being arranged on above bracing frame (6), the quantity of described first adjusting part and second is adjusted
The quantity of joint assembly is two and one_to_one corresponding, and described first adjusting part includes bearing pin (7), stopper slot
(9) and some fixing teeth (8), the vertical cross-section of described stopper slot (9) is semicircle, described stopper slot
(9) opening down, described bearing pin (7) is fixed on the both sides of stopper slot (9), described fixing tooth (8)
Being uniformly arranged on the inwall of stopper slot (9), described second adjusting part includes regulating gear (13), described
The periphery of regulation gear (13) is provided with external tooth, and described external tooth is equal along the periphery circumference of regulation gear (13)
Even distribution, the external tooth of described regulation gear (13) engages with the fixing tooth (8) of the inwall of stopper slot (9),
The center of described regulation gear (13) is provided with through hole (11), and described regulation gear (13) passes through through hole (11)
Hinged with bearing pin (7);
Being provided with bluetooth, PLC and voltage stabilizing control module in described main body (1), described bluetooth, voltage stabilizing control mould
Block, signal transmitting and receiving window (2), camera lens (3) and power button (4) electrically connect with PLC, described voltage stabilizing
Control module includes that controlling circuit of voltage regulation, described controlling circuit of voltage regulation include the first resistance (R1), the second resistance
(R2), the 3rd resistance (R3), the 4th resistance (R4), adjustable resistance (Rp1), the first audion (Q1),
Second audion (Q2) and Zener diode (D1), the colelctor electrode of described first audion (Q1) is by the
Two resistance (R2) are connected with the base stage of the first audion (Q1), the current collection of described first audion (Q1)
Pole is connected with the emitter stage of the second audion (Q2) by the first resistance (R1), described first audion (Q1)
Base stage be connected with the colelctor electrode of the second audion (Q2), the emitter stage of described second audion (Q2) with
The negative electrode of Zener diode (D1) connects, the plus earth of described Zener diode (D1), and described second
The base stage of audion (Q2) is connected with the adjustable end of adjustable resistance (Rp1), described first audion (Q1)
The series connection that formed by the 3rd resistance (R3), adjustable resistance (Rp1) and the 4th resistance (R4) of emitter stage
Circuit ground.
2. smart projector based on Internet of Things as claimed in claim 1, it is characterised in that described location
Assembly (10) includes housing (16), steel ball (14) and spring (15), the inside of described housing (16)
Being provided with groove, described spring (15) is arranged on the inside of groove, and described steel ball (14) is positioned at the groove of groove
Mouthful, one end of described spring (15) is fixed on steel ball (14), and the other end of described spring (15) is solid
Being scheduled on the bottom of groove, described housing (16) is fixed in cylindrical housings (5).
3. smart projector based on Internet of Things as claimed in claim 2, it is characterised in that described main body
(1) inside is provided with the matching slot corresponding with positioning component (10), described matching slot and steel ball (14)
Match.
4. smart projector based on Internet of Things as claimed in claim 1, it is characterised in that described regulation
Gear (13) is provided with guide pad (12), and the vertical cross-section of described guide pad (12) is T-shaped, described circle
The position corresponding with guide pad (12), the inside of cylindrical shell (5) is provided with gathering sill, described gathering sill with lead
Mate to block (12).
5. smart projector based on Internet of Things as claimed in claim 1, it is characterised in that described first
Audion (Q1) and the second audion (Q2) are NPN audion.
6. smart projector based on Internet of Things as claimed in claim 1, it is characterised in that described power supply
Button (4) is touch key.
7. smart projector based on Internet of Things as claimed in claim 1, it is characterised in that described main body
(1) flame retardant rating is V-0.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610420268.XA CN105867061A (en) | 2016-06-14 | 2016-06-14 | Intelligent projector based on Internet of things |
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CN201610420268.XA CN105867061A (en) | 2016-06-14 | 2016-06-14 | Intelligent projector based on Internet of things |
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CN105867061A true CN105867061A (en) | 2016-08-17 |
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ID=56649530
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CN201610420268.XA Pending CN105867061A (en) | 2016-06-14 | 2016-06-14 | Intelligent projector based on Internet of things |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106405847A (en) * | 2016-09-20 | 2017-02-15 | 深圳市奈士迪技术研发有限公司 | Photograph viewer for medical imaging |
CN107505802A (en) * | 2017-09-12 | 2017-12-22 | 牛翠芹 | A kind of smart projector based on Internet of Things |
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US4247069A (en) * | 1978-05-05 | 1981-01-27 | Gerd Kurz | Camera tripods mounting |
US4317552A (en) * | 1979-12-26 | 1982-03-02 | Weidler Charles H | Universal tripod for supporting a camera or the like |
CN202834630U (en) * | 2011-12-22 | 2013-03-27 | 吉南企业有限公司 | Chain type lifting adjuster |
CN203930320U (en) * | 2013-12-27 | 2014-11-05 | 南阳医学高等专科学校 | The intelligent projector of a kind of console mode LED |
CN104660066A (en) * | 2013-11-25 | 2015-05-27 | 成都市思码特科技有限公司 | Voltage stabilizing power supply of software testing host computer |
-
2016
- 2016-06-14 CN CN201610420268.XA patent/CN105867061A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4247069A (en) * | 1978-05-05 | 1981-01-27 | Gerd Kurz | Camera tripods mounting |
US4317552A (en) * | 1979-12-26 | 1982-03-02 | Weidler Charles H | Universal tripod for supporting a camera or the like |
CN202834630U (en) * | 2011-12-22 | 2013-03-27 | 吉南企业有限公司 | Chain type lifting adjuster |
CN104660066A (en) * | 2013-11-25 | 2015-05-27 | 成都市思码特科技有限公司 | Voltage stabilizing power supply of software testing host computer |
CN203930320U (en) * | 2013-12-27 | 2014-11-05 | 南阳医学高等专科学校 | The intelligent projector of a kind of console mode LED |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106405847A (en) * | 2016-09-20 | 2017-02-15 | 深圳市奈士迪技术研发有限公司 | Photograph viewer for medical imaging |
CN107505802A (en) * | 2017-09-12 | 2017-12-22 | 牛翠芹 | A kind of smart projector based on Internet of Things |
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Application publication date: 20160817 |