CN207008270U - A kind of bore hole 3D display system - Google Patents
A kind of bore hole 3D display system Download PDFInfo
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- CN207008270U CN207008270U CN201721034761.4U CN201721034761U CN207008270U CN 207008270 U CN207008270 U CN 207008270U CN 201721034761 U CN201721034761 U CN 201721034761U CN 207008270 U CN207008270 U CN 207008270U
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Abstract
The utility model discloses a kind of bore hole 3D display system, including metope, ceiling, support, the projecting apparatus being arranged on support, projection screen, mounting bracket is provided with the ceiling, the rotary shaft for being provided with and being connected with projection screen is rotated on the mounting bracket, the motor that driving rotary shaft rotates is provided with the mounting bracket, the support is rotatablely connected with projecting apparatus, the fixation kit for fixing projecting apparatus is provided with the support, the metope is provided with button switch close to the side on ground, the control circuit for controlled motor is provided with the motor, the control circuit includes：Circuit, prograde circuit, circuit for reversing when detecting circuit, control；Rotated by the i.e. controllable projection screen of button switch, it is easy to operate.
Description
Technical field
It the utility model is related to bore hole 3D technology field, and in particular to a kind of bore hole 3D display system.
Background technology
The bore hole 3D technology means of main flow have at present:Slit liquid crystal grating, column prism, point to light source.Slit liquid
Brilliant grating.This technical principle is after having added a slit grating before screen, it should which the image seen by left eye is shown
When on liquid crystal display, opaque striped can block right eye;Similarly, it should which the image seen by right eye is shown on liquid crystal display
When, opaque striped can block left eye, by the way that the viewable pictures of left eye and right eye are separated, onlooker is seen 3D images.Post
This technical principle of shape prism is the refraction principle by lens, and pixel corresponding to right and left eyes is incident upon into right and left eyes respectively
In, realize that image separates.Contrast slit grating technology biggest advantage be that lens will not shut out the light, so brightness have it is very big
Improve, point to light source, be exactly two stack screens of accurate control difference right eye projects images to the left in brief.
Such as the patent that notification number is 104076591A, bore hole 3D optical projection systems and its projection screen are which disclose, is wrapped
Optical projection system, projection screen, and a microprocessor system being connected with optical projection system are included, projection screen uses a bore hole 3D
Projection screen；Bore hole 3D projection screens include at least two groups of array of display, respectively the first array of display, the second array of display；
The light of the different pictures shown on the first array of display and the second array of display, by radiation direction modulating mechanism to light
The direction of the launch be adjusted, the light of different pictures is irradiated left eye and right eye to spectators respectively.Utilize human eye or so point
Do not receive different pictures, then brain is lived again by being overlapped to image information, form one have before-it is rear, upper-under,
The image of the stereo directional effect such as left-right, remote-near.Throwing with bore hole 3D display effect can be realized by above-mentioned design
Shadow system.
In actual use, among the application of family expenses bore hole 3D projecting apparatus, projection screen is generally in being vertically arranged, such as
Fruit user wants to lie on a bed if viewing, and vertical projection screen is inconvenient to watch.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of bore hole 3D display system, side
Just film is watched when user lies on a bed.
To achieve the above object, the utility model provides following technical scheme：
A kind of bore hole 3D display system, including metope, ceiling, support, the projecting apparatus being arranged on support, projection screen,
Mounting bracket is provided with the ceiling, the rotary shaft for being provided with and being connected with projection screen, the installation are rotated on the mounting bracket
The motor that driving rotary shaft rotates is provided with frame, the support is rotatablely connected with projecting apparatus, is provided with and is used on the support
The fixation kit of fixed projecting apparatus, the metope are provided with button switch close to the side on ground, use are provided with the motor
In the control circuit of controlled motor, the control circuit includes：
Circuit is detected, whether is closed for detection button switch and exports comparison signal,
Circuit during control, when being coupled to detection circuit to receive the control of comparison signal and output control motor work preset duration
Signal；
Prograde circuit, detection circuit is coupled to receive comparison signal and control the break-make of prograde circuit；It is further coupled to control
When circuit to receive control when signal and controlled motor output shaft amount of spin；
Circuit for reversing, detection circuit is coupled to receive comparison signal and control the break-make of circuit for reversing；It is further coupled to control
When circuit to receive control when signal and controlled motor output shaft amount of spin.
By using above-mentioned technical proposal, button switch from be closed into disconnect or from when being disconnected to closure, comparison signal changes
Become, the change of comparison signal makes signal when circuit sends the control of certain time length during control, and signal passes through prograde circuit or reversion during control
Circuit makes motor output shaft rotate certain time, so as to make projection screen be transformed into the state parallel with ceiling by rotary shaft,
The position of support is adjusted, the angle of projecting apparatus is adjusted, makes projecting apparatus face projection screen, is seen when being lied on a bed so as to convenient use person
See, it is user-friendly by from being disconnected to closure or being disconnected from being closed into, resetting projection screen button switch.
It is of the present utility model to be further arranged to：The detection circuit includes：
On-off circuit, including,
7th resistance, is coupled to direct current,
8th resistance, one end are coupled to the 7th resistance, other end ground connection；
Button switch, it is coupled to the tie point of the 7th resistance and the 8th resistance；
Preinstalled circuit, including,
5th resistance, is coupled to direct current；
6th resistance, one end are coupled to the 5th resistance, other end ground connection；
Comparison circuit, including,
Comparator, positive terminal are coupled to button switch, and end of oppisite phase is coupled to the tie point of the 5th resistance and the 6th resistance, defeated
Go out end output comparison signal, when the button switch closes, comparator transmitting high level, when the button switch disconnects, compare
Device launches low level.
By using above-mentioned technical proposal, when button switch closes, comparator transmitting high level, when button switch disconnects
When, comparator transmitting low level, so as to signal when circuit sends control when controlling control by the change of the low and high level of comparator.
It is of the present utility model to be further arranged to：The prograde circuit includes：
First switch portion, is serially connected with prograde circuit, be coupled to comparator output terminal with response to comparison signal and control just
The break-make of shifting circuit；
Second switch portion, first switch portion is series at, circuit is in response to control signal and to control rotating forward when being coupled to control
The break-make of circuit.
By using above-mentioned technical proposal, by the cooperation in first switch portion and second switch portion, prograde circuit is controlled
Break-make, so as to realize the control whether rotated forward to motor.
It is of the present utility model to be further arranged to：The circuit for reversing includes：
3rd switch portion, is serially connected with circuit for reversing, when being coupled to control circuit with response to control signal and control reversion electricity
The break-make on road；
4th switch portion, the 3rd switch portion is series at, is coupled to comparator output terminal in response to comparison signal and to control
The break-make of circuit for reversing.
By using above-mentioned technical proposal, by the cooperation of the 3rd switch portion and the 4th switch portion, circuit for reversing is controlled
Break-make, so as to realize the control whether inverted to motor.
It is of the present utility model to be further arranged to：Circuit includes during the control：
Signal delay device, input are coupled to comparator output terminal to receive comparison signal；
NOT gate, input are coupled to the output end of signal delay device；
Biconditional gate, an input are coupled to the output end of NOT gate, and another input is coupled to comparator output terminal
With the tie point of the input of signal delay device；Signal during output end output control.
By using above-mentioned technical proposal, when comparator transmission signal, which is launched, to be changed, signal delay device postpones signal
The time that time works for the first motor, the time to be worked by signal delay device come controlled motor, so as to which controlled motor exports
The amount of spin of axle, so as to control projection screen around the amount of spin of rotary shaft.
It is of the present utility model to be further arranged to：Worm gear is fixed with the rotary shaft, the motor output shaft is fixed with
The worm screw engaged with worm gear.
By using above-mentioned technical proposal, drive worm screw to rotate by motor, by the cooperation of worm and wheel, make rotation
Axle rotate, rotary shaft rotation after, have the function that between worm and gear it is spacing, so as to reduce projection screen self gravitation work
The probability to be rotated under.
It is of the present utility model to be further arranged to：The fixation kit includes the mounting hole being opened on projecting apparatus, described
Rotate the connecting shaft for being provided with and being connected with support in mounting hole, the connecting shaft circumferentially offers some ball grooves, in the ball groove
Movable balls are provided with, the movable balls are moved in ball groove, and the connecting hole through connecting shaft is offered in the connecting shaft, described
Connecting hole inside points are provided with internal thread, rotate and are provided with externally threaded connecting rod, the connecting rod in the connecting hole
Connecting hole is worn out, when the connecting rod pushes against with movable balls, movable balls push against with mounting hole madial wall.
By using above-mentioned technical proposal, bar is rotatablely connected, connecting rod is separated with movable balls, so as to adjust projecting apparatus
Angle, after adjustment, by being rotatablely connected bar, connecting rod is set to be pushed against with movable balls, so that movable balls and mounting hole madial wall
Push against, fix projecting apparatus, it is easy to adjust by being rotatablely connected the angle of the i.e. adjustable projecting apparatus of bar.
It is of the present utility model to be further arranged to：The connecting rod includes the first of connecting shaft is set and worn out in cylinder
The body of rod, second body of rod for being connected with first body of rod and being set in round platform, there is externally threaded 3rd body of rod, second body of rod and
When movable balls push against, movable balls push against with mounting hole madial wall.
By using above-mentioned technical proposal, first body of rod is rotated, in the external screw thread and connecting hole of the 3rd body of rod
The cooperation of screw thread, second body of rod is pushed against with movable balls, so that projecting apparatus is fixed, because second body of rod is in round platform setting, lead to
Cross the amount of spin of first body of rod of control, the abutting power of control movable balls and mounting hole madial wall.
It is of the present utility model to be further arranged to：Outer bar is installed with the ceiling, is offered in the outer bar transversal
The rounded sliding groove in face, interior bar is provided with the sliding groove, the spiral shell being provided with for pushing against interior bar is rotated in the outer bar
Rasp bar, the interior bar are threadedly coupled with support.
By using above-mentioned technical proposal, when projection screen is in being vertically arranged, interior bar is rotated, interior bar is connected with support,
By adjusting stroke of the interior bar with respect to outer bar, the height of projecting apparatus is adjusted, after adjusting height, is made by screw thread bar interior
Bar is fixed with respect to outer bar, so that projecting apparatus is corresponding with projection screen, convenient use person's viewing.
The utility model has advantages below：Rotated by the i.e. controllable projection screen of button switch, it is easy to operate.Pass through company
Extension bar is rotatable projecting apparatus, easy to adjust.By controlling the amount of spin of first body of rod, control movable balls and mounting hole madial wall
Abutting power.When projection screen is vertical, by the cooperation of interior bar and outer bar, the position of projecting apparatus is adjusted, facilitates projecting apparatus and projection
The correspondence of curtain, because interior bar be threadedly coupled with support, support can be made to be separated with interior bar by rotating interior bar, be projected so as to facilitate
Curtain makes projecting apparatus corresponding with projection screen when horizontal.
Brief description of the drawings
Fig. 1 is the overall structure figure of embodiment；
Fig. 2 is the enlarged drawing of a-quadrant in Fig. 1, and in particular to the structure chart of worm and gear；
Fig. 3 is the enlarged drawing of B area in Fig. 1, and in particular to the structure chart of support；
Fig. 4 is the sectional view of fixation kit；
Fig. 5 is the enlarged drawing in C regions in Fig. 4；
Fig. 6 is the circuit diagram of control circuit, and in particular to circuit, the circuit diagram of prograde circuit when detection circuit, control；
Fig. 7 is the circuit diagram of control circuit, and in particular to the circuit diagram of circuit for reversing.
Reference：1st, ground；2nd, metope；3rd, ceiling；4th, support；5th, projecting apparatus；6th, projection screen；7th, button switch；
8th, mounting bracket；9th, bolt；10th, rotary shaft；11st, worm gear；12nd, worm screw；13rd, motor；14th, fixation kit；15th, mounting hole；16th, even
Spindle；17th, ball groove；18th, movable balls；19th, internal thread；20th, connecting hole；21st, connecting rod；22nd, first body of rod；23rd, second body of rod；
24th, external screw thread；25th, the 3rd body of rod；26th, outer bar；27th, sliding groove；28th, interior bar；29th, threaded rod；100th, control circuit；101st, open
Powered-down road；102nd, preinstalled circuit；103rd, the 4th switch portion；Circuit when the 104th, controlling；105th, prograde circuit；106th, first switch portion；
107th, second switch portion；108th, circuit for reversing；109th, the 3rd switch portion；110th, comparison circuit；111st, circuit is detected；R1, first
Resistance；R2, second resistance；R3,3rd resistor；R4, the 4th resistance；R5, the 5th resistance；R6, the 6th resistance；R7, the 7th resistance；
R8, the 8th resistance；D1, the first diode；D2, the second diode；Q1, the first triode；Q2, the second triode；Q3, the three or three
Pole pipe；The triodes of Q4 the 4th；KM1, the first relay；KM2, the second relay；A, comparator；E, signal delay device；F, NOT gate；
X, biconditional gate；S1, the first normally opened contact switch；S2, the second normally opened contact switch.
Embodiment
The utility model is described further referring to the drawings.
A kind of bore hole 3D display system, as shown in Figure 1：Including ground 1, metope 2, ceiling 3, support 4（Such as Fig. 3 institutes
Show）, the projecting apparatus 5 that is arranged on support 4（As shown in Figure 3）, original state be in the projection screen 6 that is vertically arranged, the both sides of projection screen 6
It is provided with the slit grating being vertically arranged.Metope 2 is provided with button switch 7 close to the side on ground 1.
As illustrated in fig. 1 and 2：The mounting bracket 8 being connected with ceiling 3 by bolt 9 is provided with ceiling 3, on mounting bracket 8
The rotary shaft 10 for being provided with and being connected with projection screen 6 is rotated, worm gear 11 is fixed with rotary shaft 10, motor is provided with mounting bracket 8
13, the output shaft fixed connection of motor 13 has the worm screw 12 coordinated with worm gear 11.
As shown in Figure 3：Support 4 is rotatablely connected with projecting apparatus 5, and the fixation group for fixing projecting apparatus 5 is provided with support 4
Part 14.
As shown in Figure 4：Fixation kit 14 includes the mounting hole 15 being opened on projecting apparatus 5, rotates and sets in mounting hole 15
There is the connecting shaft 16 being connected with support 4.
As shown in Figure 5：The connecting hole 20 through connecting shaft 16 is offered in connecting shaft 16, the inside points of connecting hole 20 are provided with
Internal thread 19, interior rotate of connecting hole 20 are provided with connecting rod 21, and connecting rod 21 includes connecting shaft 16 is set and worn out in cylinder
First body of rod 22（As shown in Figure 4）And first body of rod 22 is connected and is in second body of rod 23 of round platform setting, has external screw thread 24
The 3rd body of rod 25, connecting shaft 16 is circumferential to offer some ball grooves 17, movable balls 18 is provided with ball groove 17, movable balls 18 are in ball
Moved in groove 17, when second body of rod 23 pushes against with movable balls 18, movable balls 18 push against with the madial wall of mounting hole 15.
As shown in Figure 3：Outer bar 26 is installed with ceiling 3, the sliding groove 27 of circular in cross-section is offered in outer bar 26,
Interior bar 28 is provided with sliding groove 27, the threaded rod 29 being provided with for pushing against interior bar 28, interior bar 28 and branch are rotated in outer bar 26
Frame 4 is threadedly coupled.
As shown in Figures 6 and 7：The control circuit 100 of the output shaft rotation amount of controlled motor 13, control electricity are provided with motor 13
Road 100 includes：The closure of detection button switch 7 disconnects and exports the detection circuit 111 of comparison signal, is coupled to detection circuit
111 to receive comparison signal and the control of the working time of output control motor 13 when signal control when circuit 104, to be coupled to comparison electric
Road 110 and control when circuit 104 prograde circuit 105, be coupled to comparison circuit 110 and control when circuit 104 circuit for reversing 108.
Detection circuit 111 includes on-off circuit 101, preinstalled circuit 102, is coupled to on-off circuit 101 and the comparison of preinstalled circuit 102 is electric
Road 110.
As shown in Figure 6：On-off circuit 101 includes the 7th resistance R7, the 8th resistance R8, button switch 7, at the beginning of button switch 7
Beginning state is closure state, because motor 13 is arranged on high place, is adjusted by the way that button switch 7 is convenient.
As shown in Figure 6：7th resistance R7 one end is coupled to direct current, and the 7th resistance R7 other end is coupled to the 8th electricity
Hinder R8, the 8th resistance R8 ground connection.The one end of button switch 7 is coupled to the 7th resistance R7 and the 8th resistance R8 tie point.
As shown in Figure 6：Preinstalled circuit 102 includes the 5th resistance R5, the 6th resistance R6.5th resistance R5's is a little coupled to
Direct current, the other end are coupled to the 6th resistance R6, the 6th resistance R6 ground connection.
As shown in Figure 6：Comparison circuit 110 includes comparator A.Comparator A positive terminal is coupled to button switch 7, compares
Device A end of oppisite phase is coupled to the 5th resistance R5 and the 6th resistance R6 tie point, and comparator A output end exports comparison signal,
When button switch 7 closes, comparator A transmitting high level, when button switch 7 disconnects, comparator A transmitting low levels.
As shown in Figure 6：Circuit 104 includes signal delay device E during control, and signal delay device E input is coupled to comparator A
For output end to receive comparison signal, signal delay device E output end is coupled to NOT gate F inputs；NOT gate F output end is coupled to
A biconditional gate X input；Biconditional gate X another input is coupled to comparator A output ends and signal delay device E
Input tie point to receive comparison signal, signal during biconditional gate X output end output control, signal control motor during control
13 working times, so as to the amount of spin of the output shaft of controlled motor 13, so as to control the amount of spin of projection screen 6.
As shown in Figure 6：Prograde circuit 105 includes first switch portion 106, second switch portion 107, the 4th resistance R4, first
Diode D1, first switch portion 106 are the first triode Q1, and second switch portion 107 is the second triode Q2.
As shown in Figure 6：First triode Q1 base stages are coupled to 3rd resistor R3, and the first triode Q1 colelctor electrode is coupled to
Second triode Q2 emitter stage, the first triode Q1 grounded emitter.Second triode Q2 base stage is coupled to comparator A
To receive comparison signal, the second triode Q2 colelctor electrode is coupled to the tie point of output end and signal delay device E input
First relay KM1.3rd resistor R3 is coupled to biconditional gate X output end so that the first triode Q1 receives signal when controlling.
As shown in Figure 6：First relay KM1 is coupled to direct current, and the first relay KM1 includes the first normally opened contact switch
S1, first normally opened contact switch S1 one end are coupled to power supply, the first normally opened contact switch S2 other end be coupled to motor 13 with
The output shaft of controlled motor 13 rotates forward.4th resistance R4 one end is coupled to the connection of 3rd resistor R3 and the first triode Q1 base stages
Point, the 4th resistance R4 other ends are coupled to the tie point of the first triode Q1 emitter stages and ground.First diode D1 anodes couple
In the first relay KM1 and the second diode D2 colelctor electrode tie points, the first diode D1 negative electrodes are coupled to the first relay KM1
With direct current tie point.
As shown in Figure 7：Circuit for reversing 108 includes the 3rd switch portion 109, the 4th switch portion 103, second resistance R2, second
Diode D2, the 4th switch portion 103 are the 4th triode Q4, and the 3rd switch portion 109 is the 3rd triode Q3.
As shown in Figure 7：4th triode Q4 base stages are coupled to first resistor R1, and the 4th triode Q4 colelctor electrode is coupled to
3rd triode Q3 colelctor electrode, the 4th triode Q4 grounded emitter.3rd triode Q3 base stage is coupled to comparator A
To receive comparison signal, the 3rd triode Q3 emitter stage is coupled to the tie point of output end and signal delay device E input
Second relay KM2.First resistor R1 is coupled to biconditional gate X output end so that the 4th triode Q4 receives signal when controlling.
As shown in Figure 7：Second relay KM2 is coupled to direct current, and the second relay KM2 includes the second normally opened contact switch
S2, second normally opened contact switch S2 one end are coupled to power supply, the second normally opened contact switch S2 other end be coupled to motor 13 with
Controlled motor 13 inverts.Second resistance R2 one end is coupled to first resistor R1 and the tie point of the 4th triode Q4 base stages, and second
The resistance R2 other ends are coupled to the tie point of the 4th triode Q4 emitter stages and ground.Second diode D2 anodes be coupled to second after
Electrical equipment KM2 and the 3rd diode emitters tie point, the second diode D2 negative electrodes are coupled to the second relay KM2 and are electrically connected with direct current
Contact.
Operation principle：When button switch 7 is from when being closed into disconnection, the level of comparator A outputs is transformed into low from high level
Level, low level pass through signal delay device E delay, again pass through NOT gate F, make biconditional gate X two inputs simultaneously be it is low
Level, so that biconditional gate X exports high level, and biconditional gate X sends time of high level as signal delay device E delay letters
Number time.
Comparator A low level turns on the 3rd triode Q3, and comparator A low level closes two triodes, so as to
Circuit for reversing 108 is worked, the high level for the certain time that circuit 104 is launched during control, the second relay KM2 is worked, reversion
Circuit 108 inverts the output shaft of motor 13, turns to projection screen 6 by the cooperation of the worm screw 12 of worm gear 11 parallel with ceiling 3.
After projecting apparatus 5 is adjusted to level, by the way that interior bar 28 and support 4 are dismantled, projecting apparatus 5 is placed on projection screen 6
Lower section, first body of rod 22 is rotated, by the cooperation of the internal thread 19 in the external screw thread 24 on the 3rd body of rod 25 and connecting hole 20, made
Movable balls 18 separate with mounting hole 15, so as to rotate projecting apparatus 5 around connecting shaft 16, after projecting apparatus 5 turns to specified location, pass through
First body of rod 22 is rotated, second body of rod 23 is pushed against with movable balls 18, so that movable balls 18 push against with the madial wall of mounting hole 15,
Fix projecting apparatus 5, the film watched in bed on projection screen 6 so as to convenient use person.
When button switch 7 is from when being disconnected to closure, comparator A transmitting high level, comparator A high level makes prograde circuit
105 conductings, circuit 104 launches the high level of certain time during control, the first relay KM1 is worked, so that motor 13 is defeated
Shaft rotates forward, and by the cooperation of worm gear 11 and worm screw 12, resets projection screen 6, so as to watch film during convenient use person's sitting.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (9)
1. a kind of bore hole 3D display system, including metope（2）, ceiling（3）, support（4）, be arranged on support（4）On projection
Instrument（5）, projection screen（6）, it is characterized in that：The ceiling（3）On be provided with mounting bracket（8）, the mounting bracket（8）Upper rotation is set
It is equipped with and projection screen（6）Connected rotary shaft（10）, the mounting bracket（8）On be provided with driving rotary shaft（10）The motor of rotation
（13）, the support（4）With projecting apparatus（5）Rotation connection, the support（4）On be provided with for fixing projecting apparatus（5）Consolidate
Determine component（14）, the metope（2）Close to ground（1）Side be provided with button switch（7）, the motor（13）On be provided with
For controlled motor（13）Control circuit（100）, the control circuit（100）Including：
Detect circuit（111）, switched for detection button（7）Whether close and export comparison signal,
Circuit during control（104）, it is coupled to detection circuit（111）To receive comparison signal and output control motor（13）Work is default
The signal during control of duration；
Prograde circuit（105）, it is coupled to detection circuit（111）To receive comparison signal and control prograde circuit（105）Break-make；
It is further coupled to circuit during control（104）Signal and controlled motor when being controlled with receiving（13）The amount of spin of output shaft；
Circuit for reversing（108）, it is coupled to detection circuit（111）To receive comparison signal and control circuit for reversing（108）Break-make；
It is further coupled to circuit during control（104）Signal and controlled motor when being controlled with receiving（13）The amount of spin of output shaft.
2. a kind of bore hole 3D display system according to claim 1, it is characterized in that, the detection circuit（111）Including：
On-off circuit（101）, including,
7th resistance, is coupled to direct current,
8th resistance, one end are coupled to the 7th resistance, other end ground connection；
Button switch（7）, it is coupled to the tie point of the 7th resistance and the 8th resistance；
Preinstalled circuit（102）, including,
5th resistance, is coupled to direct current；
6th resistance, one end are coupled to the 5th resistance, other end ground connection；
Comparison circuit（110）, including,
Comparator, positive terminal are coupled to button switch（7）, end of oppisite phase is coupled to the tie point of the 5th resistance and the 6th resistance, defeated
Go out end output comparison signal, the button switch（7）During closure, comparator transmitting high level, the button switch（7）Disconnect
When, comparator transmitting low level.
3. a kind of bore hole 3D display system according to claim 2, it is characterized in that, the prograde circuit（105）Including：
First switch portion（106）, it is serially connected with prograde circuit（105）, be coupled to comparator output terminal with response to comparison signal simultaneously
Control prograde circuit（105）Break-make,
Second switch portion（107）, it is series at first switch portion（106）, circuit when being coupled to control（104）With in response to control signal
And control prograde circuit（105）Break-make.
4. a kind of bore hole 3D display system according to claim 3, it is characterized in that, the circuit for reversing（108）Including：
3rd switch portion（109）, it is serially connected with circuit for reversing（108）, circuit when being coupled to control（104）With in response to control signal simultaneously
Control circuit for reversing（108）Break-make；
4th switch portion（103）, it is series at the 3rd switch portion（109）, comparator output terminal is coupled to in response to comparison signal
And control circuit for reversing（108）Break-make.
5. a kind of bore hole 3D display system according to claim 4, it is characterized in that, the circuit during control（104）Including：
Signal delay device, input are coupled to comparator output terminal to receive comparison signal；
NOT gate, input are coupled to the output end of signal delay device；
Biconditional gate, an input are coupled to the output end of NOT gate, and another input is coupled to comparator output terminal and letter
The tie point of the input of number delayer；Signal during output end output control.
6. a kind of bore hole 3D display system according to claim 1, it is characterized in that：The rotary shaft（10）On be fixed with snail
Wheel（11）, the motor（13）Output shaft fixed connection has and worm gear（11）The worm screw of engagement（12）.
7. a kind of bore hole 3D display system according to claim 6, it is characterized in that：The fixation kit（14）Including opening up
In projecting apparatus（5）On mounting hole（15）, the mounting hole（15）Interior rotation is provided with and support（4）Connected connecting shaft
（16）, the connecting shaft（16）Circumferentially offer some ball grooves（17）, the ball groove（17）Inside it is provided with movable balls（18）, it is described
Movable balls（18）In ball groove（17）Interior motion, the connecting shaft（16）On offer through connecting shaft（16）Connecting hole（20）,
The connecting hole（20）Inside points are provided with internal thread（19）, the connecting hole（20）Interior rotation is provided with external screw thread（24）
Connecting rod（21）, the connecting rod（21）Wear out connecting hole（20）, the connecting rod（21）With movable balls（18）During abutting,
Movable balls（18）With mounting hole（15）Madial wall pushes against.
8. a kind of bore hole 3D display system according to claim 7, it is characterized in that：The connecting rod（21）Including in cylinder
Set and wear out connecting shaft（16）First body of rod（22）And first body of rod（22）Second body of rod for being connected and being set in round platform
（23）, there is external screw thread（24）The 3rd body of rod（25）, second body of rod（23）With movable balls（18）During abutting, movable balls
（18）With mounting hole（15）Madial wall pushes against.
9. a kind of bore hole 3D display system according to claim 1, it is characterized in that：The ceiling（3）On be installed with it is outer
Bar（26）, the outer bar（26）Inside offer the sliding groove of circular in cross-section（27）, the sliding groove（27）In being inside provided with
Bar（28）, the outer bar（26）Upper rotation is provided with for pushing against interior bar（28）Threaded rod（29）, the interior bar（28）With branch
Frame（4）Threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721034761.4U CN207008270U (en) | 2017-08-17 | 2017-08-17 | A kind of bore hole 3D display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721034761.4U CN207008270U (en) | 2017-08-17 | 2017-08-17 | A kind of bore hole 3D display system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109272902A (en) * | 2018-10-26 | 2019-01-25 | 成都奔享科技有限公司 | A kind of method and apparatus for realizing glass projection advertisement after three-box car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109272902A (en) * | 2018-10-26 | 2019-01-25 | 成都奔享科技有限公司 | A kind of method and apparatus for realizing glass projection advertisement after three-box car |
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