CN201290665Y - Mobile liftable standard visual acuity chart - Google Patents
Mobile liftable standard visual acuity chart Download PDFInfo
- Publication number
- CN201290665Y CN201290665Y CNU2008202191446U CN200820219144U CN201290665Y CN 201290665 Y CN201290665 Y CN 201290665Y CN U2008202191446 U CNU2008202191446 U CN U2008202191446U CN 200820219144 U CN200820219144 U CN 200820219144U CN 201290665 Y CN201290665 Y CN 201290665Y
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- feet
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- relay
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Abstract
The utility model relates to a movable standard test chart capable of being lifted. The test chart is characterized in that the test chart consists of a lifting test chart box, a sight target rotating mechanism, a lifting mechanism, a driving and reversing mechanism and a controller; a standard test chart is arranged on the front side of the lifting test chart box; the sight target rotating mechanism is arranged in the lifting test chart box; the lifting mechanism and the driving and reversing mechanism are arranged under the sight target rotating mechanism; the controller is connected with the lifting test chart box through a cable line; and a sight target main control circuit board and a relay circuit board are arranged in the controller. The utility model has movability, can conveniently detect the sight situations of a detector in different distance, also has the characteristic of multi-functions, i.e. is capable of carrying out regular far-distance sight examination, also short sight examination, and can record the detection time, and can reflect the sight situations of the detector from different views. By arranging the sight target on the sight target box, the sight situations of the detector can be really detected, and the detection accuracy is greatly enhanced.
Description
Technical field
This utility model belongs to a kind of vision checkout facility that is applicable to hospital and optician's shop, the liftable standard visual acuity chart of particularly a kind of movable type.
Background technology
At present, domestic hospital and optician's shop are to give a test of one's eyesight by visual acuity chart, traditional mode is that visual acuity chart is placed on the fixed position, according to measured and visual acuity chart distance detection eyesight status, the accuracy of this detection mode is relatively poor, because some because of remembeing the direction of sighting target, just can not reflect measured's true vision situation really.
Summary of the invention
This utility model has overcome the defective of above-mentioned existence, and purpose is for hospital and the true and reliable detection measured vision situation of optician's shop energy, provides a kind of movable type liftable standard visual acuity chart.
The portable liftable standard visual acuity chart content Description of this utility model:
The portable liftable standard visual acuity chart of this utility model, it is characterized in that: by: lifting visual acuity chart case, sighting target rotating mechanism, elevating mechanism, driving and reversing mechanism and controller are formed, the front of the lifting visual acuity chart case visual acuity chart that sets up standard, in lifting visual acuity chart case, the sighting target rotating mechanism is set, below the sighting target rotating mechanism elevating mechanism and driving and reversing mechanism, controller is connected with lifting visual acuity chart case by cable, and sighting target main control board and relay circuit plate are housed in controller; Connect and compose by sighting target rolling disc and motor in the sighting target rotating mechanism, elevating mechanism by: lifting motor connects and composes by screw mandrel, guide pillar and screw, be driving and reversing mechanism below the elevating mechanism, driving and reversing mechanism by: advance and retreat motor connect and compose by belt pulley, belt and wheel.
The portable liftable standard visual acuity chart of this utility model, has mobility, can detect the vision situation of measured when different distance easily, also have multi-functional characteristics, it can carry out conventional remote examination of visual acuity, can carry out examination of near vision again, can write down detection time simultaneously, can react detected person's vision situation from different perspectives, in addition by the rotation sighting target that is provided with on the sighting target case can more real detection measured the vision situation, improved the accuracy that detects greatly.
Description of drawings
Fig. 1 is portable liftable standard visual acuity chart structural representation
Fig. 2 is sighting target governor circuit figure
Fig. 3 is relay circuit figure
Among the figure: the 1st, lifting visual acuity chart case, the 2nd, display lamp, the 3rd, sighting target rolling disc, the 4th, motor, the 5th, lifting motor, the 6th, screw mandrel, the 7th, guide pillar, the 8th, screw, the 9th, advance and retreat motor, the 10th, belt pulley, the 11st, belt, the 12nd, wheel, the 13rd, standard visual acuity chart, the 14th, cable, the 15th, controller, the 16th, sighting target main control board, the 17th, relay circuit plate.
The specific embodiment
The portable liftable standard visual acuity chart of this utility model is achieved in that to do below in conjunction with accompanying drawing and specifies.See Fig. 1, portable liftable standard visual acuity chart by: lifting visual acuity chart case 1, sighting target rotating mechanism, elevating mechanism, driving and reversing mechanism and controller 15 are formed, the front of lifting visual acuity chart case 1 visual acuity chart 13 that sets up standard, in lifting visual acuity chart case 1, the sighting target rotating mechanism is set, below the sighting target rotating mechanism elevating mechanism and driving and reversing mechanism, controller 15 is connected with lifting visual acuity chart case 1 by cable 14, and sighting target main control board 16 and relay circuit plate 17 are housed in controller 15.
Connect and compose by sighting target rolling disc 3 and motor 4 in the sighting target rotating mechanism, control, motor 4 is rotated, drive sighting target rolling disc 3 and rotate by controller 15; Elevating mechanism by: lifting motor 5 connects and composes by screw mandrel 6, guide pillar 7 and screw 8, it below the elevating mechanism driving and reversing mechanism, driving and reversing mechanism by: advance and retreat motor 9 is by belt pulley 10, belt 11 and take turns 12 and connect and compose, control by controller 15, lifting motor 5 is rotated, drive screw mandrel 6 and screw 8, drive connected lifting visual acuity chart case 1 or liter or fall satisfied detection requirement by guide pillar 7.Control by controller 15, advance and retreat motor 9 is rotated, drive belt pulley 10 and belt 11 wheel 12 is rotated, drive lifting visual acuity chart case 1 and move forward and backward or advance or move back, satisfy and detect requirement.
Seeing Fig. 2, is the sighting target governor circuit figure in the sighting target main control board 16, among the figure: chip IC
33 feet connect power supply, chip IC
37 feet, 6 foot ground connection, chip IC
39 feet, 10 feet, 11 feet respectively with chip I N
121,22,23 feet link to each other chip IC
34 feet are sky feet, chip IC
32 feet and the LED that shows upper and lower, left and right
9~ 12The upper end link to each other chip IC
35 feet and charactron SMG
58 feet link to each other chip IC
31 foot and LED
1~8The upper end link to each other chip IC
312 feet and charactron SMG
18 feet link to each other chip IC
315 feet and charactron SMG
28 feet link to each other chip IC
314 feet and charactron SMG
38 feet link to each other chip IC
313 feet and charactron SMG
48 feet link to each other.
Chip I N
21 foot and resistance R
5Left end link to each other chip I N
215 feet and resistance R
4Left end link to each other resistance R
4, R
5Right-hand member link to each other with ground; Chip I N
28 feet link to each other with ground; Chip I N
214 feet and diode D
8Negative terminal, diode D
7Anode link to each other with motor 4 lines; Chip I N
213 feet and diode D
6Negative terminal, diode D
5Anode link to each other with motor 3 lines; Chip I N
23 feet and diode D
4Negative terminal, diode D
3Anode link to each other with motor 2 lines; Chip I N
22 feet and diode D
2Negative terminal, diode D
1Anode link to each other with motor 1 line; Chip I N
24 feet and diode D
1, D
3, D
5, D
7Negative terminal, with diode D
9Negative terminal, with electrolysis condenser C
5Anode and chip I N
31 foot link to each other; Chip I N
29 feet and electrolysis condenser C
4Anode, electrolysis condenser C
3Anode and chip I N
33 feet, with chip I N
26 feet, 11 feet, with chip I N
131 feet, 40 feet, with resistance R
61 foot, with resistance R
2The upper end, with audion Q
3Emitter stage links to each other; Chip I N
25 feet and chip I N
110 feet link to each other; Chip I N
27 feet and chip I N
111 feet link to each other; Chip I N
210 feet and chip I N
112 feet link to each other; Chip I N
212 feet and chip I N
113 feet link to each other; Chip I N
32 feet and electrolysis condenser C
4, electrolysis condenser C
5Negative terminal, with supply socket J
52 feet link to each other supply socket J with ground
51 foot and diode D
9Anode link to each other; Electrolysis condenser C
3Negative terminal and resistance R
3Left end link to each other; Chip I N
114 feet are sky feet; Chip I N
115 feet and supply socket J
62 feet link to each other; Chip I N
116 feet and resistance R
1Right-hand member link to each other resistance R
1Left end and audion Q
3Base stage links to each other, audion Q
3Colelctor electrode link to each other 2 foot ground connection of buzzer with 1 foot of buzzer; Chip I N
117 feet and supply socket J
31 foot link to each other supply socket J
32 foot ground connection; Chip I N
118 feet and the lower end of crystal oscillator, capacitor C
2Left end link to each other; Chip I N
119 feet and the upper end and the capacitor C of crystal oscillator
1Left end link to each other; Chip I N
120 feet and capacitor C
1, capacitor C
2Right-hand member, with socket J
12 feet, 4 feet, 6 feet, 8 feet, 10 feet, 12 feet, 14 feet, 16 feet link to each other, with resistance R
3The right-hand member ground connection that links to each other; Chip I N
1The 24-30 foot be the sky foot; Chip I N
132 feet and charactron SM
1-charactron SM
55 feet link to each other; Chip I N
135 feet and charactron SM
1-charactron SM
51 foot links to each other; Chip I N
136 feet and charactron SM
1-charactron SM
52 feet link to each other; Chip I N
137 feet and charactron SM
1-charactron SM
54 feet link to each other; Chip I N
138 feet and LED
2Negative terminal, with charactron SM
1-charactron SM
56 feet link to each other; Chip I N
139 feet and LED
1Negative terminal, with charactron SM
1-charactron SM
57 feet link to each other; LED
6Negative terminal and charactron SM
1-charactron SM
59 feet link to each other; LED
6Anode and LED
1-LED
8Anode link to each other, with chip IC
31 foot link to each other LED
7Negative terminal and charactron SM
1-charactron SM
510 feet link to each other; Socket J
31 foot, 2 feet link to each other with dry-reed tube switch; Socket J
21 foot link to each other with left end on the switch; Socket J
21 foot link to each other with left end on the switch; Socket J
23 feet link to each other with left end under the switch; Socket J
25 feet link to each other with the left end of switch; Socket J
27 feet link to each other with the right left end of switch; Socket J
29 feet link to each other with the left end of reset switch; Socket J
211 feet link to each other with the left end of permutator; Socket J
213 feet link to each other with the left end of time switch; Socket J
215 feet link to each other with the left end that time switch stops; Socket J
22 feet link to each other with right-hand member on the switch; Socket J
24 feet link to each other with right-hand member under the switch; Socket J
26 feet link to each other with the right-hand member on a switch left side; Socket J
28 feet link to each other with the right-hand member on the switch right side; Socket J
210 feet link to each other with the right-hand member of reset switch; Socket J
212 feet link to each other with the right-hand member of permutator; Socket J
214 feet link to each other with the right-hand member of time switch; Socket J
216 feet link to each other with the right-hand member that time switch stops.
Seeing Fig. 3, is the relay circuit figure in the relay circuit plate 17, among the figure: socket CZ
21 foot and relay J
1The normal battle is connected; Socket CZ
22 feet and relay J
2The normal battle is connected; Socket CZ
23 feet and relay J
3The normal battle is connected; Socket CZ
24 feet and relay J
4The normal battle is connected; Socket CZ
25 feet and relay J
5The normal battle is connected; Socket CZ
26 feet and relay J
6The normal battle is connected; Socket CZ
27 feet and relay J
7The normal battle is connected; Socket CZ
28 feet and relay J
8The normal battle is connected; Socket CZ
29 feet and relay J
9The normal battle is connected;
Socket CZ
11 foot and relay J
1The coil right-hand member is connected; Socket CZ
12 feet and relay J
2The coil right-hand member is connected; Socket CZ
13 feet and relay J
3The coil right-hand member is connected; Socket CZ
14 feet and relay J
4The coil right-hand member is connected; Socket CZ
15 feet and relay J
5The coil right-hand member is connected; Socket CZ
16 feet and relay J
6The coil right-hand member is connected; Socket CZ
17 feet and relay J
7The coil right-hand member is connected; Socket CZ
18 feet and relay J
8The coil right-hand member is connected; Socket CZ
19 feet and relay J
9The coil right-hand member is connected;
Be provided with the rotation sighting target on the portable liftable standard visual acuity chart of this utility model, can any and erratic conversion sighting target, overcome the relatively poor defective of traditional visual acuity chart accuracy in detection, on master control borad, be provided with time, direction, meter speed, advance, retreat, zero clearing, Switching Power Supply, by timing, time and speed parameter, the response speed of understanding measured sighting target.Can also obtain the vision data of all many-sides from different angles, can further reflect measured's practical situation,, reach to correct the purpose that improves vision for the preparation glasses provide truthful data more reliably.
Claims (3)
1, the liftable standard visual acuity chart of a kind of movable type, it is characterized in that: by: lifting visual acuity chart case (1), sighting target rotating mechanism, elevating mechanism, driving and reversing mechanism and controller (15) are formed, the front of lifting visual acuity chart case (1) visual acuity chart (13) that sets up standard, in lifting visual acuity chart case (1), the sighting target rotating mechanism is set, below the sighting target rotating mechanism elevating mechanism and driving and reversing mechanism, controller (15) is connected with lifting visual acuity chart case (1) by cable (14), and sighting target main control board (16) and relay circuit plate (17) are housed in controller (15); Connect and compose by sighting target rolling disc (3) and motor (4) in the sighting target rotating mechanism, elevating mechanism by: lifting motor (5) connects and composes by screw mandrel (6), guide pillar (7) and screw (8), be driving and reversing mechanism below the elevating mechanism, driving and reversing mechanism by: advance and retreat motors (9) by belt pulley (10), belt (11) with take turns (12) and connect and compose.
2, the liftable standard visual acuity chart of movable type according to claim 1 is characterized in that: the sighting target governor circuit in the described sighting target main control board (16) is by chip IC
33 feet connect power supply, chip IC
37 feet, 6 foot ground connection, chip IC
39 feet, 10 feet, 11 feet respectively with chip I N
121,22,23 feet link to each other chip IC
34 feet are sky feet, chip IC
32 feet and the LED that shows upper and lower, left and right
9~ 12The upper end link to each other chip IC
35 feet and charactron SMG
58 feet link to each other chip IC
31 foot and LED
1~8The upper end link to each other chip IC
312 feet and charactron SMG
18 feet link to each other chip IC
315 feet and charactron SMG
28 feet link to each other chip IC
314 feet and charactron SMG
38 feet link to each other chip IC
313 feet and charactron SMG
48 feet link to each other;
Chip I N
21 foot and resistance R
5Left end link to each other chip I N
215 feet and resistance R
4Left end link to each other resistance R
4, R
5Right-hand member link to each other with ground; Chip I N
28 feet link to each other with ground; Chip I N
214 feet and diode D
8Negative terminal, diode D
7Anode link to each other with motor 4 lines; Chip I N
213 feet and diode D
6Negative terminal, diode D
5Anode link to each other with motor 3 lines; Chip I N
23 feet and diode D
4Negative terminal, diode D
3Anode link to each other with motor 2 lines; Chip I N
22 feet and diode D
2Negative terminal, diode D
1Anode link to each other with motor 1 line; Chip I N
24 feet and diode D
1, D
3, D
5, D
7Negative terminal, with diode D
9Negative terminal, with electrolysis condenser C
5Anode and chip I N
31 foot link to each other; Chip I N
29 feet and electrolysis condenser C
4Anode, electrolysis condenser C
3Anode and chip I N
33 feet, with chip I N
26 feet, 11 feet, with chip I N
131 feet, 40 feet, with resistance R
61 foot, with resistance R
2The upper end, with audion Q
3Emitter stage links to each other; Chip I N
25 feet and chip I N
110 feet link to each other; Chip I N
27 feet and chip I N
111 feet link to each other; Chip I N
210 feet and chip I N
112 feet link to each other; Chip I N
212 feet and chip I N
113 feet link to each other; Chip I N
32 feet and electrolysis condenser C
4, electrolysis condenser C
5Negative terminal, with supply socket J
52 feet link to each other supply socket J with ground
51 foot and diode D
9Anode link to each other; Electrolysis condenser C
3Negative terminal and resistance R
3Left end link to each other; Chip I N
114 feet are sky feet; Chip I N
115 feet and supply socket J
62 feet link to each other; Chip I N
116 feet and resistance R
1Right-hand member link to each other resistance R
1Left end and audion Q
3Base stage links to each other, audion Q
3Colelctor electrode link to each other 2 foot ground connection of buzzer with 1 foot of buzzer; Chip I N
117 feet and supply socket J
31 foot link to each other supply socket J
32 foot ground connection; Chip I N
118 feet and the lower end of crystal oscillator, capacitor C
2Left end link to each other; Chip I N
119 feet and the upper end and the capacitor C of crystal oscillator
1Left end link to each other; Chip I N
120 feet and capacitor C
1, capacitor C
2Right-hand member, with socket J
12 feet, 4 feet, 6 feet, 8 feet, 10 feet, 12 feet, 14 feet, 16 feet link to each other, with resistance R
3The right-hand member ground connection that links to each other; Chip I N
1The 24-30 foot be the sky foot; Chip I N
132 feet and charactron SM
1-charactron SM
55 feet link to each other; Chip I N
135 feet and charactron SM
1-charactron SM
51 foot links to each other; Chip I N
136 feet and charactron SM
1-charactron SM
52 feet link to each other; Chip I N
137 feet and charactron SM
1-charactron SM
54 feet link to each other; Chip I N
138 feet and LED
2Negative terminal, with charactron SM
1-charactron SM
56 feet link to each other; Chip I N
139 feet and LED
1Negative terminal, with charactron SM
1-charactron SM
57 feet link to each other; LED
6Negative terminal and charactron SM
1-charactron SM
59 feet link to each other; LED
6Anode and LED
1-LED
8Anode link to each other, with chip IC
31 foot link to each other LED
7Negative terminal and charactron SM
1-charactron SM
510 feet link to each other; Socket J
31 foot, 2 feet link to each other with dry-reed tube switch; Socket J
21 foot link to each other with left end on the switch; Socket J
21 foot link to each other with left end on the switch; Socket J
23 feet link to each other with left end under the switch; Socket J
25 feet link to each other with the left end of switch; Socket J
27 feet link to each other with the right left end of switch; Socket J
29 feet link to each other with the left end of reset switch; Socket J
211 feet link to each other with the left end of permutator; Socket J
213 feet link to each other with the left end of time switch; Socket J
215 feet link to each other with the left end that time switch stops; Socket J
22 feet link to each other with right-hand member on the switch; Socket J
24 feet link to each other with right-hand member under the switch; Socket J
26 feet link to each other with the right-hand member on a switch left side; Socket J
28 feet link to each other with the right-hand member on the switch right side; Socket J
210 feet link to each other with the right-hand member of reset switch; Socket J
212 feet link to each other with the right-hand member of permutator; Socket J
214 feet link to each other with the right-hand member of time switch; Socket J
216 feet link to each other with the right-hand member that time switch stops.
3, the liftable standard visual acuity chart of movable type according to claim 1 is characterized in that: the relay circuit in the described relay circuit plate (17) is by socket CZ
21 foot and relay J
1The normal battle is connected; Socket CZ
22 feet and relay J
2The normal battle is connected; Socket CZ
23 feet and relay J
3The normal battle is connected; Socket CZ
24 feet and relay J
4The normal battle is connected; Socket CZ
25 feet and relay J
5The normal battle is connected; Socket CZ
26 feet and relay J
6The normal battle is connected; Socket CZ
27 feet and relay J
7The normal battle is connected; Socket CZ
28 feet and relay J
8The normal battle is connected; Socket CZ
29 feet and relay J
9The normal battle is connected;
Socket CZ
11 foot and relay J
1The coil right-hand member is connected; Socket CZ
12 feet and relay J
2The coil right-hand member is connected; Socket CZ
13 feet and relay J
3The coil right-hand member is connected; Socket CZ
14 feet and relay J
4The coil right-hand member is connected; Socket CZ
15 feet and relay J
5The coil right-hand member is connected; Socket CZ
16 feet and relay J
6The coil right-hand member is connected; Socket CZ
17 feet and relay J
7The coil right-hand member is connected; Socket CZ
18 feet and relay J
8The coil right-hand member is connected; Socket CZ
19 feet and relay J
9The coil right-hand member is connected;
Socket JX
11 foot and diode D
1Anode links to each other, diode D
1Negative terminal and chip GN
D1 foot is connected; Socket JX
12 feet and chip GN
DGround connection is with capacitor C
1Negative terminal links to each other; Chip GN
D3 feet and capacitor C
1Anode links to each other, resistance R
1Lower end and relay J
1-relay J
9The coil left end is connected; Resistance R
1Upper end and relay J
1-relay J
9Normally closed point be connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008202191446U CN201290665Y (en) | 2008-11-13 | 2008-11-13 | Mobile liftable standard visual acuity chart |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008202191446U CN201290665Y (en) | 2008-11-13 | 2008-11-13 | Mobile liftable standard visual acuity chart |
Publications (1)
Publication Number | Publication Date |
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CN201290665Y true CN201290665Y (en) | 2009-08-19 |
Family
ID=41004116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNU2008202191446U Expired - Fee Related CN201290665Y (en) | 2008-11-13 | 2008-11-13 | Mobile liftable standard visual acuity chart |
Country Status (1)
Country | Link |
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CN (1) | CN201290665Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106983489A (en) * | 2017-05-26 | 2017-07-28 | 温州星康医学科技有限公司 | A kind of eyesight detects lamp box |
-
2008
- 2008-11-13 CN CNU2008202191446U patent/CN201290665Y/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106983489A (en) * | 2017-05-26 | 2017-07-28 | 温州星康医学科技有限公司 | A kind of eyesight detects lamp box |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160523 Address after: 100035 02B, room C, No. 28, information road, No. two, Haidian District, Beijing, room -471 Patentee after: Beijing science and Technology Co., Ltd. Address before: Anshan City, Liaoning Province, 114031 North Road Victory mountain 417 Building 1 unit 4 floor No. 9 Patentee before: Liu Dianxin |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20161113 |