CN203745731U - Automatic control type film viewer - Google Patents
Automatic control type film viewer Download PDFInfo
- Publication number
- CN203745731U CN203745731U CN201420006465.3U CN201420006465U CN203745731U CN 203745731 U CN203745731 U CN 203745731U CN 201420006465 U CN201420006465 U CN 201420006465U CN 203745731 U CN203745731 U CN 203745731U
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- CN
- China
- Prior art keywords
- guide plate
- light guide
- circuit
- viewbox
- photoelectric sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000003321 amplification Effects 0.000 claims description 16
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 235000014676 Phragmites communis Nutrition 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000002310 reflectometry Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Abstract
The utility model discloses an automatic control type film viewer comprising a light box assembly and a control assembly. The light box assembly comprises a light box frame, a light guide plate, a light guide plate fixation element, a light source, a control circuit, and a film fixation element. The light guide plate fixation element, the control circuit and the light source are all arranged in the light box frame. The light guide plate is fixed in the light box frame through the light guide plate fixation element. The control assembly comprises a photoelectric sensor and a switching circuit. The photoelectric sensor is connected with the switching circuit. The switching circuit is connected with the control circuit. The control assembly is installed on the light guide plate fixation element. The photoelectric sensor comprises a transmitter and a receiver. According to the utility model, a light sensing switch is adopted, the situation that the film viewer is only switched on during utilization can be realized automatically, and the switching circuit is controlled depending on the light reflection principle, so the mechanical contact in the prior art can be effectively avoided, the advantage of energy conservation can be realized, the jamming and abrasion situations can be prevented, and the service life can be prolonged.
Description
Technical field
The utility model belongs to medical aid, is specifically related to a kind of automatic control viewbox.
Background technology
Traditional viewbox generally adopts cold-cathode tube (CCFL) as illuminating source, more present costlinesses, the viewbox that performance is good adopt semiconductor light-emitting-diode (LED) as illuminating source, for preventing that staff is because a variety of causes is forgotten the power supply of closing viewbox after use, make fluorescent tube shortening in serviceable life in viewbox, the gauge tap of viewbox becomes general automatic control switch now from manual power switch.Automatic control switch, is divided into two kinds conventionally.A kind of is microswitch: when film is inserted to viewbox, the external mechanical force that promotes film acts on action reed by actuated element, when energy accumulation is after critical point, action reed produces snap action, make to move moving contact and the fixed contact quick-make of reed end, connect load circuit, light viewbox.When film is extracted, after acting on external mechanical force on actuated element and removing, action reed resets rapidly under the effect of stage clip, and moving contact and fixed contact separate immediately, cut off load circuit, and viewbox extinguishes.But the elasticity of the needed action reed of this control device and stage clip easily lost efficacy, and need to often change.
Another kind is grooved photoelectric sensor switch, and wherein, one end of U-shaped groove is transmitter, and the other end is receiver, and the light beam of transmitter transmitting forms an optical axis.In the middle of U-shaped groove, there is a little slide bar.When film is inserted to viewbox, film one end can upwards promote the little slide bar of U-shaped groove centre, and when slide bar passes through U-shaped groove and stops optical axis, photoelectric sensor switch has just produced switching value signal, exports a switch controlling signal, connects load circuit, lights viewbox.Because this kind of control device relies on the mechanical motion of slide bar, easily there is the phenomenons such as stuck, parts depreciation, affect the normal work of viewbox.
Utility model content
The purpose of this utility model is to overcome the deficiency of existing viewbox technology, and a kind of automatic control viewbox is provided, and can avoid the Mechanical Contact between part to realize the control to viewbox.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of automatic control viewbox, comprise lightbox assembly and at least one group of Control Component, lightbox assembly comprises light source, Lamp case frame, light guide plate, light guide plate fixture, control circuit and film fixture, light guide plate fixture and light source are all arranged in Lamp case frame, light guide plate is fixed in Lamp case frame by light guide plate fixture, Control Component comprises at least one group of photoelectric sensor and on-off circuit, photoelectric sensor is connected with on-off circuit, on-off circuit connects control circuit, wherein, Control Component is arranged on light guide plate fixture, photoelectric sensor comprises transmitter and receiver.
Preferably, Control Component comprises at least one group of photoelectric sensor, signal amplification circuit and on-off circuit, photoelectric sensor, signal amplification circuit and on-off circuit are connected successively, on-off circuit connects control circuit, the signal that signal amplification circuit receives photoelectric sensor amplifies, be transferred to on-off circuit, be convenient to on-off circuit identification.
Preferably, the photoelectric sensor in Control Component is infrared optic-electric detects technique.
Preferably, organize Control Component mates with quantity of light source and be arranged in parallel more.
Preferably, light guide plate fixture comprises the first fixed head, the second fixed head, the 3rd fixed head, the first pillar and the second pillar, the first fixed head, the second fixed head and the first pillar form the first placed cavity, the second fixed head, the 3rd fixed head and the second pillar form the second placed cavity, and light guide plate is fixed in the first placed cavity.
More preferably, Control Component is arranged in the second placed cavity of light guide plate fixture.
More preferably, Control Component is arranged on the 3rd fixed head of light guide plate fixture.
More preferably, Control Component is arranged in the second placed cavity of light guide plate fixture, on the 3rd fixed head, is fixed with light diffusing sheet, has a through hole on light diffusing sheet, and lead to the hole site is over against transmitter and the receiver of photoelectric sensor.
More preferably, the quantity of this through hole and the quantity of photoelectric sensor are consistent.
More preferably, the size of the through hole on light diffusing sheet is not less than the size of the transmitter in photoelectric sensor.
Preferably, the sloping baffle extending to form from Lamp case frame one end.Baffle plate and horizontal angle are 0～90 °, and film fixture is placed in baffle plate inner side.
More preferably, film fixture is locking plate post.
Preferably, the making material of light guide plate fixture is aluminium section bar.
Preferably, the making material of Lamp case frame is aluminium section bar.
Preferably, light source is placed in the casing of light guide plate both sides.
Compared with prior art; the automatic control viewbox that the utility model provides; use photoelectric sensor; and mainly use the aluminium profile Lamp case frame that reflectivity is high; contribute to so the more light beam being reflected back by Lamp case frame that absorbs of photoelectric sensor; and aluminium section bar is cheap, light, formability and machinable strong, be applicable to manufacture lamp house frame body; , photoelectric sensor, signal amplification circuit, on-off circuit are all welded in a stripe board meanwhile, make to load and unload this control device more easy, and installation position can change flexibly at several places; Adopt inductive switch, viewbox is only opened in use, save the energy, rely on reflection of light principle gauge tap circuit, avoided the Mechanical Contact between parts of the prior art, prevented that whole control device is stuck, parts wear, thereby viewbox extends tenure of use.
Accompanying drawing explanation
The structural representation of the automatic control viewbox that Fig. 1 provides for the utility model when inserting film;
The structural representation of the automatic control viewbox that Fig. 2 provides for the utility model when extracting film;
The Automatic Control Theory figure of the automatic control viewbox that Fig. 3 provides for the utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing to the technical solution of the utility model do further in detail, intactly explanation.
The structural representation of a kind of automatic control viewbox that Fig. 1, Fig. 2 provide for the utility model.
Viewbox 10 is for observing film 100, and viewbox 10 comprises Lamp case frame 11, light source 12, light guide plate fixture 14, light guide plate 13, light diffusing sheet 15, control circuit 214, film fixture 22 and Control Component 21.
Wherein, light source 12 is arranged in the casing of light guide plate 13 both sides; Light guide plate fixture 14 is arranged in Lamp case frame 11; Light guide plate 13 is arranged in the first placed cavity that the first pillar 144 by the first fixed head 141 of light guide plate fixture 14, the second fixed head 142 of light guide plate fixture 14 and light guide plate fixture 14 forms; Control Component 21 is arranged in the second placed cavity that the second fixed head 142, the 3rd fixed head 143 and the second pillar 145 by light guide plate fixture 14 form; Light diffusing sheet 15 is arranged on the 3rd fixed head 143 of light guide plate fixture 14, has the through hole 151 of a diameter 1cm on light diffusing sheet 15, and the size of this through hole 151 is not less than the size of the transmitter on photoelectric sensor; The sloping baffle 221 that film fixture 22 is extended to form by locking plate post 222 and Lamp case frame one end forms, wherein, locking plate post 222 is movably housed in the Delta Region that sloping baffle 221 that light diffusing sheet 15 and Lamp case frame one end extend to form surrounds, and because self gravitation is tangent with the sloping baffle 221 that light diffusing sheet 15 and Lamp case frame one end extend to form respectively.The viewbox of organizing parallel side entering optical source of take is example more, and the Control Component 21 of this viewbox is many groups, and with light source 12 quantity Matching and be arranged in parallel; The quantity of the through hole 151 correspondingly, arranging on light diffusing sheet 15 is consistent with the quantity of the photoelectric sensor 211 on Control Component 21.
Fig. 3 is Automatic Control Theory figure of the present utility model.
As shown in Figure 3, Control Component 21 comprises photoelectric sensor 211, signal amplification circuit 213 and on-off circuit 212, wherein photoelectric sensor 211 connects signal amplification circuit 213, and signal amplification circuit 213 connecting valve circuit 212, finally by 212 yuan of connection control circuits 214 of on-off circuit.Photoelectric sensor 211 further comprises in a transmitter 2111 and a receiver 2112(figure and not showing), transmitter 2111 is transmitting infrared ray outwards, receiver 2112 receives the infrared ray reflecting, the voltage signal that photoelectric sensor 211 is proportional according to the light income signal output of its reception again, and voltage signal is transported to signal amplification circuit 213, after voltage signal being processed by signal amplification circuit 213, transport to on-off circuit 212, by input signal, contrast the level state that decides on-off circuit 212 outputs with the predefined threshold value of on-off circuit 212, the Kai Heguan of final decision light source 12.
As shown in Figure 1, when film 100 is inserted along the plane of light diffusing sheet 15, film 15 enters the gap between locking plate post 222 and light diffusing sheet 15, promote light diffusing sheet 15 separated with locking plate post 222, and then fixed by locking plate post 222, transmitter 2111 on photoelectric sensor 211 in Control Component 21 is transmitting light beam outwards, light beam is penetrated on film 100 by the through hole 151 of opening on light diffusing sheet 15, wherein a part of light beam is absorbed by film 100, cause the light of receiver 2112 of reflected light electric transducer 211 less, the voltage signal that photoelectric sensor 211 is proportional according to the light income signal output of its reception again, and voltage signal is transported to signal amplification circuit 213, after voltage signal being processed by signal amplification circuit 213, transport to on-off circuit 212, by input signal, contrast the level state that decides on-off circuit 212 outputs with the predefined threshold value of on-off circuit 212, light viewbox, observe film 100.
As shown in Figure 2, when film 100, observe when complete, film 100 is extracted along light diffusing sheet 15, film 100 is separated with locking plate post 222, and locking plate post 222 contacts with light diffusing sheet 15.Now, the transmitter 2111 on the photoelectric sensor 211 in Control Component 21 is transmitting light beam outwards, by the through hole 151 on light diffusing sheet 15, is radiated on locking plate post 222 and Lamp case frame 11.Because the material of locking plate post 222 and Lamp case frame 11 is different from film 100, the reflectivity of locking plate post 222 and Lamp case frame 11 is far away higher than the reflectivity of film 100.So the light beam major part being radiated on locking plate post 222 and Lamp case frame 11 is reflected back toward, and accepted by the receiver 2112 of photoelectric sensor 211.The voltage signal that photoelectric sensor 211 is proportional according to the light income signal output of its reception again, and voltage signal is transported to signal amplification circuit 213, after voltage signal being processed by signal amplification circuit 213, transport to on-off circuit 212, finally by input signal, contrast the level state that decides on-off circuit 212 outputs with the predefined threshold value of on-off circuit 212, extinguish viewbox.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.Those skilled in the art have read after foregoing, for the multiple modification of utility model with to substitute will be all apparent.Therefore, protection domain of the present utility model should have appended claim to limit.
Claims (10)
1. automatically control viewbox for one kind, comprise lightbox assembly and at least one group of Control Component, it is characterized in that: lightbox assembly comprises light source, Lamp case frame, light guide plate, light guide plate fixture and film fixture, light guide plate fixture, control circuit and light source are all arranged in Lamp case frame, and light guide plate is fixed in Lamp case frame by light guide plate fixture; Control Component comprises at least one group of photoelectric sensor and on-off circuit, and photoelectric sensor is connected with on-off circuit, and on-off circuit connects control circuit, and wherein, Control Component is arranged on light guide plate fixture, and photoelectric sensor comprises transmitter and receiver.
2. automatic control viewbox as claimed in claim 1, it is characterized in that: Control Component comprises photoelectric sensor, signal amplification circuit and on-off circuit, photoelectric sensor, signal amplification circuit and on-off circuit are connected successively, on-off circuit connects control circuit, the signal that signal amplification circuit is accepted photoelectric sensor amplifies, and is transferred to on-off circuit.
3. automatic control viewbox as claimed in claim 1, is characterized in that: the photoelectric sensor in Control Component is infrared optic-electric detects technique.
4. automatic control viewbox as claimed in claim 1, it is characterized in that: light guide plate fixture comprises the first fixed head, the second fixed head, the 3rd fixed head, the first pillar and the second pillar, the first fixed head, the second fixed head and the first pillar form the first placed cavity, the second fixed head, the 3rd fixed head and the second pillar form the second placed cavity, and light guide plate is fixed in the first placed cavity.
5. automatic control viewbox as claimed in claim 4, is characterized in that: Control Component is arranged in the second placed cavity of light guide plate fixture.
6. automatic control viewbox as claimed in claim 4, is characterized in that: Control Component is arranged on the 3rd fixed head of light guide plate fixture.
7. automatic control viewbox as claimed in claim 5, is characterized in that: on the 3rd fixed head of light guide plate fixture, be fixed with light diffusing sheet, have a through hole on light diffusing sheet, lead to the hole site is over against transmitter and the receiver of photoelectric sensor.
8. automatic control viewbox as claimed in claim 7, is characterized in that: the size of the through hole on light diffusing sheet is not less than the size of the transmitter in photoelectric sensor.
9. automatic control viewbox as claimed in claim 1, is characterized in that: from Lamp case frame one end, extend to form a sloping baffle, baffle plate and horizontal line angle are 0～90 °, and film fixture is placed in baffle plate inner side.
10. automatic control viewbox as claimed in claim 1, is characterized in that: light guide plate fixture and Lamp case frame adopt aluminium section bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420006465.3U CN203745731U (en) | 2014-01-06 | 2014-01-06 | Automatic control type film viewer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420006465.3U CN203745731U (en) | 2014-01-06 | 2014-01-06 | Automatic control type film viewer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203745731U true CN203745731U (en) | 2014-07-30 |
Family
ID=51345513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420006465.3U Expired - Lifetime CN203745731U (en) | 2014-01-06 | 2014-01-06 | Automatic control type film viewer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203745731U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324843A (en) * | 2016-08-24 | 2017-01-11 | 南京巨鲨显示科技有限公司 | Medical displayer automatically switching to film reading lamp mode |
| CN106371215A (en) * | 2016-12-05 | 2017-02-01 | 天津市瑞擎影像材料有限公司 | Composite multifunctional medical image observation lamp box |
| CN106885226A (en) * | 2017-04-05 | 2017-06-23 | 重庆工业职业技术学院 | A kind of teaching picture back side illuminaton light contact-control light-emitting device and its application method |
| CN110286491A (en) * | 2019-06-26 | 2019-09-27 | 苏州佳世达电通有限公司 | Display device for X-ray film projection Imaging enhanced |
| CN111929909A (en) * | 2020-07-28 | 2020-11-13 | 李永烽 | Orthopedics medical shooting viewer |
-
2014
- 2014-01-06 CN CN201420006465.3U patent/CN203745731U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324843A (en) * | 2016-08-24 | 2017-01-11 | 南京巨鲨显示科技有限公司 | Medical displayer automatically switching to film reading lamp mode |
| CN106324843B (en) * | 2016-08-24 | 2018-10-09 | 南京巨鲨显示科技有限公司 | A kind of medical display automatically switching diagosis lamp pattern |
| CN106371215A (en) * | 2016-12-05 | 2017-02-01 | 天津市瑞擎影像材料有限公司 | Composite multifunctional medical image observation lamp box |
| CN106885226A (en) * | 2017-04-05 | 2017-06-23 | 重庆工业职业技术学院 | A kind of teaching picture back side illuminaton light contact-control light-emitting device and its application method |
| CN110286491A (en) * | 2019-06-26 | 2019-09-27 | 苏州佳世达电通有限公司 | Display device for X-ray film projection Imaging enhanced |
| CN110286491B (en) * | 2019-06-26 | 2021-07-02 | 苏州佳世达电通有限公司 | Display device for enhancing X-ray film projection image |
| CN111929909A (en) * | 2020-07-28 | 2020-11-13 | 李永烽 | Orthopedics medical shooting viewer |
| CN111929909B (en) * | 2020-07-28 | 2022-03-29 | 贾培万 | Orthopedics medical shooting viewer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 411200 Flying Pigeon Road, Xiangtan Development Zone, Xiangtan, Xiangtan, Hunan Patentee after: HUNAN KND MEDICAL TECHNOLOGY CO.,LTD. Address before: 411101 5 Flying Pigeon Road, Tian Yi demonstration area, Xiangtan, Hunan Patentee before: HUNAN KANGNINGDA MEDICAL EQUIPMENT Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Automatic control type film viewer Effective date of registration: 20180919 Granted publication date: 20140730 Pledgee: Hunan SME credit Company Limited by Guarantee Pledgor: HUNAN KND MEDICAL TECHNOLOGY CO.,LTD. Registration number: 2018430000068 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230718 Granted publication date: 20140730 Pledgee: Hunan SME credit Company Limited by Guarantee Pledgor: HUNAN KND MEDICAL TECHNOLOGY CO.,LTD. Registration number: 2018430000068 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |
|
| CX01 | Expiry of patent term |