CN204440620U - A kind of sitting-posture vision protection device - Google Patents
A kind of sitting-posture vision protection device Download PDFInfo
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- CN204440620U CN204440620U CN201520073272.4U CN201520073272U CN204440620U CN 204440620 U CN204440620 U CN 204440620U CN 201520073272 U CN201520073272 U CN 201520073272U CN 204440620 U CN204440620 U CN 204440620U
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- sitting
- posture
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- sitting posture
- vision protection
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Abstract
The utility model provides a kind of sitting-posture vision protection device, comprise obtain sitting posture sitting posture acquisition module, to the main processing block that judges of sitting posture obtained, and when abnormal sitting posture is true the prompting module of prompting to take notice of sitting posture; Described sitting posture acquisition module comprises the camera head being arranged on protected object front; Described main processing block exports with described camera head and is connected.In the utility model; the monitor mode that sitting-posture vision protection device adopts is passive type; both light had not been had to face toward eyes; support is not had to limit yet; intelligent completely; as long as sitting-posture vision protection device is placed on the general 50-70CM scope in dead ahead of distance children writing, reading on desk, camera, towards face, just can use after energising.It is very convenient to operate.
Description
Technical field
[the utility model relates to sitting-posture vision protection device, and particularly a kind of video camera shooting pupil sitting posture, then by judging that whether sitting posture is correct, just reminds him to note a kind of vision protector of sitting posture if incorrect.
Background technology
The bad child myopia incidence of disease that causes of sitting posture gesture constantly rises, eave tile, inclined head, bends over, bow-backed, bend over the desk nearly all relevant with incorrect sitting-pose gesture, even if the teacher head of a family reminds, sometimes also can curse and beat criticism aside, can be poor due to self-control, energy is used again in the study, has just forgotten correct seating and standing posture for a moment, at this moment wishes oneself with the hands to fix its seating and standing posture always.For this reason, constantly have people to grope in this respect to create, just occurred various sitting posture gesture vision protection device, most needs are installed and could be realized on the table, just there are certain requirements like this to tables and chairs.Separately there are pen and the protective device of some electronic remindings, at all useless to the student of self-control difference, affect the notice that it is attended class or learns on the contrary.Also have some bookshelf table and chairs, its complex structure, be inconvenient to carry, cost is high, inconvenient penetration and promotion.
Sitting-posture vision protection device is that a kind of children write, reading posture monitors, voice reminder equipment.Detections of radar, infrared detection is generally had to play the function of language prompting with loudspeaker.Use crowd in location is generally children.May be used for monitor children write, reading conditions, real-time broadcasting record etc.
At present, some vision protectors can be monitored child sitting gesture, voice reminder.These vision protectors are generally mounted on fixing desktop or are pasted onto on fixing position and use, and use and bring great inconvenience.Utilize radar, infrared detection, the detection apart from single aspect can only be realized.For head inclination or the phenomenon of writing on the table, reading of lying prone, detect difficulty, accuracy rate is low.From security consideration, the infrared ray that infrared detection adopts brings unknown hidden danger to eyes.In addition, there is the fixed vision protector of physics, need debugging fixing, use tangible inconvenience.
Utility model content
The utility model adopts radar, infrared ray etc. to detect the sitting posture of student for current sitting-posture vision protection device; when abnormal sitting posture really maybe may affect student eyesight time; sitting posture use is inconvenient, accuracy rate is low, have the deficiencies such as potential safety hazard, provides a kind of sitting-posture vision protection device to remind student to note by forms such as voice.Adopt high tech electron technology, by camera comprehensive human body face feature data, judge the correctness of sitting posture; With microphone testing environment noise, real-time broadcasting.For abnormal sitting posture true, write period see that TV etc. produces noise time, carry out real-time recording.Utilize TF storage card to carry out storage to check in order to the head of a family, supervise.
The technical solution of the utility model is: a kind of sitting-posture vision protection device, comprise obtain sitting posture sitting posture acquisition module, to the main processing block that judges of sitting posture obtained and when abnormal sitting posture is true the prompting module of prompting to take notice of sitting posture; Described sitting posture acquisition module comprises the camera head being arranged on protected object front; Described main processing block exports with described camera head and is connected.
In the utility model, the monitor mode that sitting-posture vision protection device adopts is passive type.Both do not had light to face toward eyes, and also do not had support to limit, and be intelligent completely, mainly sitting-posture vision protection device be placed on the general 50-70CM scope in dead ahead of distance children writing on desk, camera, towards face, just can use after energising.It is very convenient to operate.
Sitting-posture vision protection device of the present utility model also has following optimal way:
Described prompting module comprises the power amplifier and loudspeaker that are controlled by described main processing block.Also comprise memory module, described memory module stores the picture signal that described photographing module exports under described main processing block controls.Also comprise environmental noise monitoring module, described environment comprises the recording device with microphone.
Record for monitoring during incorrect sitting-pose, realize intelligent sitting posture protecting and monitoring function.Can well remind, supervise children writing reading habit, play and form good sitting position effect, effective vision protection.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model theory diagram.
Accompanying drawing 2 is the utility model embodiment 1 structured flowcharts.
Embodiment
The present embodiment is that a kind of sitting posture when learning for primary and secondary students is monitored; and it is true at the abnormal sitting posture of monitoring target; when may affect the situation of the eyesight of he (she), by sound prompting, they notice that sitting posture is with the sitting-posture vision protection device of vision protection.Functional-block diagram is as shown in Figure 1: the module mainly comprised has: camera head, main processing block, audio playing apparatus, storer and sound pick-up outfit.
The principle of the present embodiment passes through camera head, such as be arranged on a camera of about 70cm before desk that pupil learns by the impact of monitored object, particularly face image photographs, then judge through main processing block, the mode judged is a lot, as the picture by detected image, if monitored object is outside normal range, then be considered to the eyesight that abnormal sitting posture really may affect him, because audibly reminding monitored object to note sitting posture by power amplifier and sound equipment a bit.When also can find that monitored object face is biased to certain angle by face image, monitored object is reminded to note sitting posture by sound alarm mode.
Main processing block is a kind of intelligent object, mainly be made up of a primary processor and the application program be kept in storer, alternate manner can certainly be adopted, monitored object taken by camera head (being pinhole camera here) is namely sitting in the front study of desk by the major function of main processing block exactly, the image of pupil, particularly face image judges---whether the sitting posture of he (she) has bad impact to eyesight, if there is bad impact, start audio playing apparatus by the mode of order, here audio playing apparatus generally adopts power amplifier and loudspeaker, play language recording or other appropriate audio data of reminding child to keep correct sitting posture.
Storer comprises the internal memory and external memory storage usually said, internal memory is mainly used to APP and other application program and the system program of operation monitoring, mainly SPI-FLASH storer, external memory comprises some recording file and video files etc., mainly can plug TF storage card or other memory device as USB flash disk etc.
The structured flowchart of the present embodiment as shown in Figure 2.The sitting-posture vision protection device of the present embodiment has 5V DC voltage-stabilizing is powered, 12MHZ crystal oscillator, SPI-FLASH storer, camera, main control chip, audio frequency power amplifier, loudspeaker, microphone, TF memory card interface.The power supply that 5V voltage stabilizing is powered provides each parts stable supplies; 12MHZ crystal is connected with main control chip, coordinates the work of main control chip; SPI-FLASH storer is connected with main control chip, main data such as storage main control chip work ephemeral data and initialization etc.; Camera is connected with described main control chip, and camera controls lower shooting human face image by described main control chip, and main control chip is according to the human face feature of constantly picked-up, and data decode analysis is carried out in inside, judges whether human body sitting posture is rectified.True for abnormal sitting posture, main control chip exports suggestion voice signal and is pointed out by loudspeaker after described audio frequency power amplifier amplifies.
Microphone is connected with main control chip, real-time monitoring environment sound, when ambient sound is excessive, and main control chip Intellectualized starting recording function.TF memory card interface (can plug TF storage card) is connected with main control chip, for storing video recording and real time environment voice data.
In the present embodiment, the monitor mode that sitting-posture vision protection device adopts is passive type.Both do not had light to face toward eyes, and also do not had support to limit, and be intelligent completely, mainly sitting-posture vision protection device be placed on the general 50-70CM scope in dead ahead of distance children writing on desk, camera, towards face, just can use after energising.It is very convenient to operate.
Like this, record for monitoring during incorrect sitting-pose, realize intelligent sitting posture protecting and monitoring function.Can well remind, supervise children writing, reading habit, play and form good sitting position custom, the effect of effective vision protection.
Described sitting-posture vision protection device has main control chip, audio frequency power amplifier and loudspeaker, and described audio frequency power amplifier is connected with described main control chip, and described loudspeaker are connected with power amplifier, and when abnormal sitting posture is true or ambient sound is excessive, loudspeaker send voice message; Described camera is connected with described main control chip, real-time photography human face characteristic information, and main control chip constantly judges sitting posture situation according to real-time camera data, when abnormal sitting posture is true, and voice message.Can also record time true for abnormal sitting posture, be stored with video format by TF storage card.Facilitating the head of a family to check supervision at audio/video player system, is a very convenient and practical sitting posture vision proterctive equipment.
The sitting-posture vision protection device of the present embodiment adopts embedded system, intelligent high.This equipment does not need to correct, and does not need strict fixed position, as long as be put in the distance of desktop by the general 50CM-70CM in front, camera, towards face orientation, just can use after switching on power.Sitting-posture vision protection device works in the power supply of 5V.Main control chip reads SPI-FLASH storer under the coordination of 12MHZ crystal oscillator, and system initialization work is complete.At this time each parts just can have been followed the prescribed order.Camera can constantly catch children's facial information, by main control chip internal data running and comparing, judges sitting posture state, and for the situation of fault, voice output is amplified rear loudspeaker via audio frequency and reported, and realizes real-time monitoring and control.This section of incorrect sitting posture situation can also be saved in TF storage card by recording function by main control chip.
The function of this sitting-posture vision protection device also has microphone as environmental noise monitoring function.
By the absorption of microphone to ambient sound, main control chip judges whether sound goes beyond the scope, and judges whether children attentively write, read.If write, between read period, the head of a family leaves monitoring range, and children turn on TV without authorization or computer is not attentively done one's assignment, and at this time microphone just can start recording function by real time shooting environmental noise after main control chip controls.The video of this time period, audio-frequency information are stored on TF storage card.The head of a family can read the file on TF storage card by media player, check the video of children writing reading process, audio frequency.Thus children are reminded in supervision easily, and therefore, this is a utility device.
Claims (4)
1. a sitting-posture vision protection device, comprise obtain sitting posture sitting posture acquisition module, to the main processing block that judges of sitting posture obtained and when abnormal sitting posture is true the prompting module of prompting to take notice of sitting posture; It is characterized in that: described sitting posture acquisition module comprises the camera head being arranged on protected object front; Described main processing block exports with described camera head and is connected.
2. sitting-posture vision protection device according to claim 1, is characterized in that: described prompting module comprises the power amplifier and loudspeaker that are controlled by described main processing block.
3. sitting-posture vision protection device according to claim 2, is characterized in that: also comprise memory module, and described memory module stores the picture signal that described camera head exports under described main processing block controls.
4. sitting-posture vision protection device according to claim 2, is characterized in that: also comprise environmental noise monitoring module, and described environment comprises the recording device with microphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520073272.4U CN204440620U (en) | 2015-02-03 | 2015-02-03 | A kind of sitting-posture vision protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520073272.4U CN204440620U (en) | 2015-02-03 | 2015-02-03 | A kind of sitting-posture vision protection device |
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| Publication Number | Publication Date |
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| CN204440620U true CN204440620U (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520073272.4U Expired - Fee Related CN204440620U (en) | 2015-02-03 | 2015-02-03 | A kind of sitting-posture vision protection device |
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| Country | Link |
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| CN (1) | CN204440620U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106530636A (en) * | 2016-11-04 | 2017-03-22 | 上海细柳信息科技有限公司 | Myopia posture prevention algorithm with use of multi-path close range detection |
| CN113538183A (en) * | 2021-06-24 | 2021-10-22 | 乐歌人体工学科技股份有限公司 | AI auxiliary learning system and method based on learning table |
-
2015
- 2015-02-03 CN CN201520073272.4U patent/CN204440620U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106530636A (en) * | 2016-11-04 | 2017-03-22 | 上海细柳信息科技有限公司 | Myopia posture prevention algorithm with use of multi-path close range detection |
| CN113538183A (en) * | 2021-06-24 | 2021-10-22 | 乐歌人体工学科技股份有限公司 | AI auxiliary learning system and method based on learning table |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150701 Termination date: 20200203 |