CN202523188U - Knapsack type sitting posture prompting device for preventing myopia and humpback - Google Patents
Knapsack type sitting posture prompting device for preventing myopia and humpback Download PDFInfo
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- CN202523188U CN202523188U CN2012201622380U CN201220162238U CN202523188U CN 202523188 U CN202523188 U CN 202523188U CN 2012201622380 U CN2012201622380 U CN 2012201622380U CN 201220162238 U CN201220162238 U CN 201220162238U CN 202523188 U CN202523188 U CN 202523188U
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- shell
- switch
- sitting posture
- regulating sleeve
- backpack
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Abstract
The utility model discloses a knapsack type sitting posture prompting device for preventing myopia and humpback. The knapsack type sitting posture prompting device comprises a housing (1), wherein two symmetrically arranged straps (3) are mounted on the housing (1); an inclined trigger switch (2) and a sound alert circuit are mounted in the housing (1); the inclined trigger switch (2) is connected with the sound alert circuit, and is used for detecting the inclination state of the housing (1) and outputting the inclination state to the sound alert circuit; and the sound alert circuit sounds an alert warning according to the inclined state of the housing (1). The knapsack type sitting posture prompting device for preventing myopia and humpback adopts shoulders elastic straps and knapsack type to enable the housing to be close to a back, and has the advantages of high detection sensitivity of back bending, simple structure, compactness, convenience in use, harmlessness to body, energy conservation and environmental protection.
Description
Technical field
The utility model relates to the health care facility field of adolescent student, is specifically related to a kind ofly be used for reminding adolescent student to keep correct sitting posture to prevent myopia and bow-backed backpack sitting posture reminder in learning process.
Background technology
Adolescent student guarantees healthy growth for preventing myopia and spinal curvature in seeing the learning process of written word, must keep correct sitting posture.Incorrect sitting posture is to cause adolescent myopia and bow-backed main cause.But for the student in middle and primary schools' stage, owing to general self lack self consciousness, a lot of students do not note in study slightly will hunch even lie prone on the table.And the head of a family and teacher can not keep all the time and remind at one's side, the time once long form near-sighted and bow-backed.Myopia and the bow-backed body aesthetic feeling that directly influences, some in addition cause physical abnormality, damage child's self-confidence.In addition, the bow-backed spinal curvature that forms also can be pushed nerves such as brain, ridge, thereby makes decrease of memory, slow in reacting, has a strong impact on teen-age physical and mental health.
There has been the relevant apparatus that much is used for preventing myopia and hunchback in prior art, and mechanical type stationary installation, Worn type and suspension type sounding reminding device etc. are for example arranged.But all there is certain shortcoming in these one type of prior art syringe, and for example mechanical device is simple, but use inconvenience, also damage easily because of carelessness in using in addition; Worn type and suspension type sounding reminding device are easy to use, but not enough for the susceptibility of flexes, so the sitting posture reminder of these prior aries is not easy to be difficult to obtain promote by student and head of a family's acceptance.
The utility model content
The technical matters that the utility model will solve provides that a kind of detection sensitivity is high, simple in structure, small volume and less weight, easy to use, harmless, energy-conserving and environment-protective to health be used to prevent myopia and bow-backed backpack sitting posture reminder.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of backpack sitting posture reminder that is used to prevent myopia and hunchback; Comprise shell; Said shell is provided with the braces of two symmetric arrangement, is provided with inclination trigger switch and sound alert circuit in the said shell, and said inclination trigger switch links to each other with said sound prompting circuit; The heeling condition that said inclination trigger switch detects shell also exports the sound prompting circuit to, and said sound prompting circuit is according to the heeling condition of the shell reminder alerting of sounding.
Further improvement as technique scheme:
Said braces is an elastic suspenders.
Said inclination trigger switch is mercury cut-off or ball switch.
Be provided with the switch regulating sleeve in the said shell; Said inclination trigger switch is located in the switch regulating sleeve; One end of said switch regulating sleeve is articulated on the shell; The other end of said switch regulating sleeve is connected on the shell through spring, and said shell is provided with the adjusting screw, is provided with the adjusting double-screw bolt that is used to regulate said switch regulating sleeve acquiescence degree of tilt in the said adjusting screw.
Said adjusting double-screw bolt and spring are located at the same side of switch regulating sleeve, and press on said switch regulating sleeve the end of said adjusting double-screw bolt.
Said switch regulating sleeve is provided with the spring junction button, and said switch regulating sleeve links to each other with said spring through the spring junction button.
Said switch regulating sleeve is provided with rotation hole, and said switch regulating sleeve is articulated on the said shell through rotation hole.
Be equipped with two braces trepannings on two sides of said shell, the two ends of said braces are individually fixed in two braces trepannings of the same side of said shell.
Said sound prompting circuit comprises sounding control circuit, loudspeaker and battery; Said sounding control circuit comprises sound chip and the amplifying circuit that connects successively; The input end of said sound chip links to each other with said inclination trigger switch; Said input amplifier links to each other with the sound chip output terminal; The output terminal of said amplifying circuit links to each other with loudspeaker, and said battery links to each other with the power input of sound chip, amplifying circuit respectively through a power switch, and said power input is parallel with power light.
Said loudspeaker are installed on the said shell, and the installation site of corresponding said loudspeaker is provided with sound penetrating hole on the said shell.
The utlity model has following advantage:
1, the shell of the utility model is provided with the braces of two symmetric arrangement; Be provided with inclination trigger switch and sound alert circuit in the shell; Therefore shell can be carried on the back the back the user through the mode of bearing by the Braces hanged over tow shoulders that the braces of two symmetric arrangement constitutes; Braces hanged over tow shoulders and the mode of bearing make shell near the back, and be high to the detection sensitivity of flexes, thereby have the detection sensitivity height, remind advantage timely; The braces of the utility model preferably adopts elastic suspenders, can make shell more near the back, and comfort is better, bear more stable, thereby make to detect more reliable and more stable.
2, the compact conformation of the utility model is in light weight, and small volume and less weight does not increase burden to health.
3, the utility model is simple in structure, easy to use.
4, the utility model does not produce ELECTROMAGNETIC RADIATION SIGNATURE, and is harmless to health.
5, the utility model is in off-state at the straight unlucky circuit of squaring one's shoulders, and does not take electricity, energy-conserving and environment-protective.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the cross-sectional side synoptic diagram of the utility model embodiment inner structure.
Fig. 3 is the sectional structure synoptic diagram of the utility model embodiment switch regulating sleeve and inclination trigger switch.
Fig. 4 is the circuit theory synoptic diagram of the utility model embodiment.
Fig. 5 is the circuit theory synoptic diagram of the utility model embodiment sounding control circuit.
Marginal data: 1, shell; 11, switch regulating sleeve; 111, spring junction button; 112, rotation hole; 12, regulate double-screw bolt; 13, spring; 14, braces trepanning; 15, sound penetrating hole; 16, regulate screw; 2, inclination trigger switch; 21, first electrode; 22, second electrode; 23, mercury bead; 3, braces; 4, sounding control circuit; 41, sound chip; 42, amplifying circuit; 5, loudspeaker; 6, battery; 7, power switch; 8, power light.
Embodiment
As depicted in figs. 1 and 2; Present embodiment is used to prevent myopia and bow-backed backpack sitting posture reminder to comprise shell 1; Shell 1 is provided with the braces 3 of two symmetric arrangement, is provided with inclination trigger switch 2 and sound alert circuit in the shell 1, and inclination trigger switch 2 links to each other with the sound prompting circuit; The heeling condition that inclination trigger switch 2 detects shells 1 also exports the sound prompting circuit to, and the sound prompting circuit is according to the heeling condition of shell 1 reminder alerting of sounding.Shell 1 is carried on the back the back the user by the braces 3 of two symmetric arrangement through the mode of bearing, and adopts the mode of bearing to make present embodiment near the back, can improve the susceptibility to flexes, makes present embodiment have highly sensitive advantage.
Be provided with switch regulating sleeve 11 in the shell 1; Inclination trigger switch 2 is located in the switch regulating sleeve 11; One end of switch regulating sleeve 11 is articulated on the shell 1; The other end of switch regulating sleeve 11 is connected on the shell 1 through spring 13, and shell 1 is provided with regulates screw 16, regulates and is provided with the adjusting double-screw bolt 12 that is used for by-pass cock regulating sleeve 11 acquiescence degree of tilt in the screw 16.
Switch regulating sleeve 11 is provided with spring junction button 111, and switch regulating sleeve 11 links to each other with spring 13 through spring junction button 111, is connected with an end of spring 13 through spring junction button 111, can prevent spring 13 loose or dislocations, better reliability.
Switch regulating sleeve 11 is provided with rotation hole 112; Switch regulating sleeve 11 is articulated on the shell 1 through rotation hole 112; Switch regulating sleeve 11 can freely rotate around rotation hole 112, carries out hingedly through rotation hole 112, can guarantee that the position of switch regulating sleeve 11 and adjusting double-screw bolt 12 are positioned on the same plane; Thereby prevent switch regulating sleeve 11 and regulate between the double-screw bolt 12 to misplace, thereby the regulatory function of double-screw bolt 12 is regulated in influence.
In the present embodiment, regulate the same side that double-screw bolt 12 and spring 13 are located at switch regulating sleeve 11, and the end of adjusting double-screw bolt 12 is pressed on switch regulating sleeve 11.Regulate double-screw bolt 12 relative adjustment screws, 16 risings or decline through using screwdriver rotation adjusting double-screw bolt 12 to make in the present embodiment, thus the acquiescence degree of tilt of regulating inclination trigger switch 2, thus make present embodiment have suitable warning degree of tilt.
Be equipped with two braces trepannings 14 on two sides of shell 1, the two ends of braces 3 are individually fixed in two braces trepannings 14 of shell 1 same side, and braces 3 is through braces trepanning 14, and braces 3 is installed simple fast, and is convenient for changing.
Braces 3 is an elastic suspenders, and braces 3 has slight elasticity to get final product, and both can make shell 1 lean against the back, can prevent that again elasticity from bring sense of discomfort for too greatly user's shoulder and back, and braces 3 can adopt length-adjustable elastic suspenders.
Like Fig. 4 and shown in Figure 5; The sound prompting circuit comprises sounding control circuit 4, loudspeaker 5 and battery 6; Sounding control circuit 4 comprises the sound chip 41 and amplifying circuit 42 that connects successively; The input end of sound chip 41 links to each other with inclination trigger switch 2, and amplifying circuit 42 input ends link to each other with sound chip 41 output terminals, and the output terminal of amplifying circuit 42 links to each other with loudspeaker 5; Battery 6 links to each other with the power input of sound chip 41, amplifying circuit 42 respectively through a power switch 7, and power input is parallel with power light 8.The sound chip 41 of present embodiment can adopt and sound the alarm or the chip of melody musical sound, and the resistance of resistance R 1 can select 100K to the arbitrary value between the 240K as required, and resistance loud noise frequency is low; Resistance small voice frequency is high; Amplifying circuit 42 is made up of amplifying triode, and optional 8050 triodes of amplifying triode are as signal during from sound chip 41 outputs; Signal is exaggerated through after the base stage of amplifying triode, drives loudspeaker 5 and sounds.As shown in Figure 1, the loudspeaker 5 of present embodiment are installed on the shell 1, and the installation site of corresponding loudspeaker 5 is provided with sound penetrating hole 15 on the shell 1, and the sound that sound penetrating hole 15 can let loudspeaker 5 send directly appears shell 1, thereby the intensity of sound is bigger, remind better effects if.
Present embodiment at first turns on the power switch 7 before use, and power light 8 is luminous at once, shows that present embodiment is in running order, and can bear the back in the user with the alarm set of present embodiment this moment through braces 3.The straight back of the body if the user squares one's shoulders in learning process, shell 1 is in vertical state, and then mercury bead 23 is rolled into the right-hand member of glass housing shown in Figure 3 under action of gravity, and inclination trigger switch 2 breaks off, and loudspeaker 5 are sounding not; If the user is hunch in learning process, shell 1 tilts with the back, and then mercury bead 23 is rolled into the left end of glass housing shown in Figure 3 under action of gravity; This moment first, electrode 21, second electrode 22 were connected; Inclination trigger switch 2 closures, sound chip 41 is triggered and amplifying signal with amplifying circuit 42, and loudspeaker 5 sound the alarm; Remind the user need correct posture, the straight back of the body of squaring one's shoulders; After user's posture obtains correcting; Mercury bead 23 is back to the right-hand member of glass housing shown in Figure 3 under action of gravity; Inclination trigger switch 2 breaks off, and sound chip 41 no longer is triggered with amplifying circuit 42, and loudspeaker 5 stop sounding; So just can remind adolescent student when study, to keep correct sitting posture constantly, can prevent myopia and hunchback.
The above only is the preferred implementation of the utility model, and the protection domain of the utility model also not only is confined to the foregoing description, and all technical schemes that belongs under the utility model thinking all belong to the protection domain of the utility model.Should be pointed out that for those skilled in the art in the some improvement and the retouching that do not break away under the utility model principle prerequisite, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (10)
1. one kind is used to prevent myopia and bow-backed backpack sitting posture reminder; It is characterized in that: comprise shell (1); Said shell (1) is provided with the braces (3) of two symmetric arrangement; Be provided with inclination trigger switch (2) and sound alert circuit in the said shell (1); Said inclination trigger switch (2) links to each other with said sound prompting circuit, and the heeling condition that said inclination trigger switch (2) detects shell (1) also exports the sound prompting circuit to, and said sound prompting circuit is according to the heeling condition of shell (1) reminder alerting of sounding.
2. the backpack sitting posture reminder that is used to prevent myopia and hunchback according to claim 1, it is characterized in that: said braces (3) is an elastic suspenders.
3. the backpack sitting posture reminder that is used to prevent myopia and hunchback according to claim 2, it is characterized in that: said inclination trigger switch (2) is mercury cut-off or ball switch.
4. the backpack sitting posture reminder that is used to prevent myopia and hunchback according to claim 3; It is characterized in that: be provided with switch regulating sleeve (11) in the said shell (1); Said inclination trigger switch (2) is located in the switch regulating sleeve (11); One end of said switch regulating sleeve (11) is articulated on the shell (1); The other end of said switch regulating sleeve (11) is connected on the shell (1) through spring (13), and said shell (1) is provided with regulates screw (16), is provided with the adjusting double-screw bolt (12) that is used to regulate said switch regulating sleeve (11) acquiescence degree of tilt in the said adjusting screw (16).
5. the backpack sitting posture reminder that is used to prevent myopia and hunchback according to claim 4; It is characterized in that: said adjusting double-screw bolt (12) and spring (13) are located at the same side of switch regulating sleeve (11), and press on said switch regulating sleeve (11) end of said adjusting double-screw bolt (12).
6. the backpack sitting posture reminder that is used to prevent myopia and hunchback according to claim 5; It is characterized in that: said switch regulating sleeve (11) is provided with spring junction button (111), and said switch regulating sleeve (11) links to each other with said spring (13) through spring junction button (111).
7. the backpack sitting posture reminder that is used to prevent myopia and hunchback according to claim 6; It is characterized in that: said switch regulating sleeve (11) is provided with rotation hole (112), and said switch regulating sleeve (11) is articulated on the said shell (1) through rotation hole (112).
8. the backpack sitting posture reminder that is used to prevent myopia and hunchback according to claim 7; It is characterized in that: be equipped with two braces trepannings (14) on two sides of said shell (1), the two ends of said braces (3) are individually fixed in two braces trepannings (14) of the same side of said shell (1).
9. according to any described backpack sitting posture reminder that is used to prevent myopia and hunchback in the claim 1～8; It is characterized in that: said sound prompting circuit comprises sounding control circuit (4), loudspeaker (5) and battery (6); Said sounding control circuit (4) comprises sound chip (41) and the amplifying circuit (42) that connects successively; The input end of said sound chip (41) links to each other with said inclination trigger switch (2); Said amplifying circuit (42) input end links to each other with sound chip (41) output terminal; The output terminal of said amplifying circuit (42) links to each other with loudspeaker (5), and said battery (6) links to each other with the power input of sound chip (41), amplifying circuit (42) respectively through a power switch (7), and said power input is parallel with power light (8).
10. the backpack sitting posture reminder that is used to prevent myopia and hunchback according to claim 9; It is characterized in that: said loudspeaker (5) are installed on the said shell (1), and the installation site that said shell (1) is gone up corresponding said loudspeaker (5) is provided with sound penetrating hole (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201622380U CN202523188U (en) | 2012-04-17 | 2012-04-17 | Knapsack type sitting posture prompting device for preventing myopia and humpback |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201622380U CN202523188U (en) | 2012-04-17 | 2012-04-17 | Knapsack type sitting posture prompting device for preventing myopia and humpback |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202523188U true CN202523188U (en) | 2012-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201622380U Expired - Fee Related CN202523188U (en) | 2012-04-17 | 2012-04-17 | Knapsack type sitting posture prompting device for preventing myopia and humpback |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202523188U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749153A (en) * | 2017-11-21 | 2018-03-02 | 华东师范大学 | A kind of wearable Portable sitting detection means |
| CN111156710A (en) * | 2020-01-21 | 2020-05-15 | 高雪娇 | Combination switch and water heating blanket host comprising same |
-
2012
- 2012-04-17 CN CN2012201622380U patent/CN202523188U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749153A (en) * | 2017-11-21 | 2018-03-02 | 华东师范大学 | A kind of wearable Portable sitting detection means |
| CN111156710A (en) * | 2020-01-21 | 2020-05-15 | 高雪娇 | Combination switch and water heating blanket host comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20150417 |
|
| EXPY | Termination of patent right or utility model |