CN204408614U - A kind of acoustical generator and wheelchair - Google Patents
A kind of acoustical generator and wheelchair Download PDFInfo
- Publication number
- CN204408614U CN204408614U CN201520166204.2U CN201520166204U CN204408614U CN 204408614 U CN204408614 U CN 204408614U CN 201520166204 U CN201520166204 U CN 201520166204U CN 204408614 U CN204408614 U CN 204408614U
- Authority
- CN
- China
- Prior art keywords
- acoustical generator
- resistance
- wheelchair
- photo resistance
- laser beam
- 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 - Fee Related
Links
Landscapes
- Rehabilitation Tools (AREA)
Abstract
This application discloses a kind of acoustical generator, comprising: laser beam emitting device and warning circuit; Described warning circuit comprises: the photo resistance that first end is connected with input power, the first resistance that one end is connected with described photo resistance second end, the switching tube that control end is connected with the described first resistance other end, second end ground connection of described switching tube, the buzzer that negative pole is connected with the first end of described switching tube, positive pole is connected with input power; The laser that described laser beam emitting device is launched is irradiated in described photo resistance when the road wheel of described wheelchair turns to predeterminated position.Buzzer in visible acoustical generator disclosed in the present application can send the voice signal that frequency changes according to the velocity of rotation change of wheelchair road wheel, thus reach and around pedestrian reminded and starts the effect of the illuminator adopting cadence signal controlling, thus improve the fail safe of user.
Description
Technical field
The application relates to medical apparatus and instruments technical field, more particularly, relates to a kind of acoustical generator and wheelchair.
Background technology
Wheelchair is the important tool of Rehabilitation, and it is not only the walking-replacing tool of limbs the disabled, the more important thing is and them can be made to carry out physical exercise by means of wheelchair and participate in social activities.
But, when user uses wheelchair to walk, but such or such inconvenience is often had, such as: when user use walk under the environment of wheelchair in dark time, because wheelchair adopts roller walking, the sound sent when roller rotates on the ground is less, effectively cannot point out around other staff, therefore there is potential safety hazard in user, again such as, the cadence signal of the footsteps produced when some illuminator is and adopts Healthy People walking in prior art controls, but when user walks by wheelchair, the cadence signal of walking alike with normal person cannot be sent, therefore the illuminator that these adopt cadence signal controlling cannot be started, therefore user uses wheelchair to there is serious potential safety hazard equally in the present context.
In sum, how improving user further uses the fail safe of wheelchair to become those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
In view of this, the application provides a kind of acoustical generator, for improving fail safe when user uses wheelchair.
To achieve these goals, the existing scheme proposed is as follows:
A kind of acoustical generator, is arranged on wheelchair, comprises:
Laser beam emitting device and warning circuit;
Described warning circuit comprises:
The photo resistance that first end is connected with input power;
The first resistance that one end is connected with described photo resistance second end;
The switching tube that control end is connected with the described first resistance other end, the second end ground connection of described switching tube;
The buzzer that negative pole is connected with the first end of described switching tube, positive pole is connected with input power;
The laser that described laser beam emitting device is launched is irradiated in described photo resistance when the road wheel of described wheelchair turns to predeterminated position.
Preferably, in above-mentioned acoustical generator, also comprise:
Be arranged on the Laser emission path of laser beam emitting device, for when described road wheel turns to predeterminated position, the shadow shield on the laser reflection that described laser beam emitting device is sent to described photo resistance.
Preferably, in above-mentioned acoustical generator, the quantity of described shadow shield is N number of, and described N number of shadow shield is symmetrically distributed on the same side of described road wheel, described N be not less than 1 positive integer.
Preferably, in above-mentioned acoustical generator, comprising:
Be arranged on the angle adjusting mechanism for regulating described shadow shield reflecting angle on described shadow shield.
Preferably, in above-mentioned acoustical generator, also comprise:
For controlling the control switch that described laser beam emitting device is opened or closed.
Preferably, in above-mentioned acoustical generator, comprising:
Described control switch is arranged on the upper surface of described wheelchair armrest.
Preferably, in above-mentioned acoustical generator, also comprise:
Lighting device;
The control end of the control switch of described lighting device is connected with the common port of described photo resistance with the first resistance.
Preferably, in above-mentioned acoustical generator, also comprise:
Be arranged on the timer between the control switch of described lighting device and the common port of described photo resistance and the first resistance;
The input of described timer is connected with the common port of the first resistance with described photo resistance, output is connected with the control end of the control switch of described lighting device, after getting input current, maintenance closedown in preset time period is opened in the control controlling described lighting device.
Preferably, in above-mentioned acoustical generator, comprising:
Described preset time period is 20 seconds.
A kind of wheelchair, comprising: acoustical generator disclosed in above-mentioned any one.
As can be seen from above-mentioned technical scheme, buzzer in acoustical generator disclosed in the present application can send the voice signal that frequency changes according to the velocity of rotation change of wheelchair road wheel, thus reach and around pedestrian reminded and starts the effect of the illuminator adopting cadence signal controlling, thus improve the fail safe of user.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structure chart of a kind of acoustical generator that Fig. 1 provides for the embodiment of the present application.
Embodiment
In order to improve the fail safe of user when using wheelchair further, this application discloses and a kind ofly be applied to the acoustical generator on wheelchair and apply the wheelchair of this acoustical generator.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
This application discloses a kind of acoustical generator be arranged on wheelchair, described acoustical generator can export the voice signal of adjustable predeterminated frequency, and user, when using wheelchair walking, can carry out the acoustical generator of auditory tone cues to surrounding people.
Certainly, be understandable that, user is in most of the cases without the need to starting described acoustical generator, only in particular cases just need to open described acoustical generator at some, therefore, conveniently use, described acoustical generator is provided with acoustical generator control switch, user can by the opening and closing of acoustical generator described in the switch control rule of described acoustical generator.
Be understandable that, multiple predeterminated frequency is provided with in described acoustical generator, such as: described predeterminated frequency can comprise the first predeterminated frequency, the second predeterminated frequency and the 3rd predeterminated frequency, the cadence when frequency values of described first predeterminated frequency is normally walked with Healthy People is corresponding, frequency values and the Healthy People of the second predeterminated frequency cadence made of jogging is corresponding, and the cadence when frequency values of described 3rd predeterminated frequency is hurried up with normal person is corresponding.Therefore the travel condition that user can be current according to self, frequency needed for the frequency error factor user of voice signal current utterance device exported by the frequency error factor button be arranged on described acoustical generator.
Certainly, be understandable that, the authenticity of the sound effect exported to make described acoustical generator is stronger, and the voice signal that described acoustical generator exports can for the actual sound sent when the people of typing in advance walks.
Be understandable that, in the above embodiments of the present application, the frequency of the voice signal that described acoustical generator sends needs user's manual adjustments, complex operation, therefore, based on above-mentioned same idea, disclosed herein as well is a kind of can output and follow the acoustical generator that the current gait of march of user changes voice signal.
A kind of acoustical generator, by detecting the velocity of rotation of the road wheel of wheelchair, obtaining the gait of march of active user, exporting the voice signal of the gait of march in direct ratio change current with user described in frequency.
See Fig. 1, disclosed in the embodiment of the present application, described Acoustic generator device can comprise:
Laser beam emitting device 10 and warning circuit 11;
Described warning circuit 11 comprises:
The photo resistance RL that first end is connected with input power VCC;
The first resistance R1 that one end is connected with described photo resistance RL second end;
The switching tube Q1 that control end is connected with the described first resistance R1 other end, the second end ground connection of described switching tube Q1;
The buzzer LS1 that negative pole is connected with the first end of described switching tube Q1, positive pole is connected with input power VCC;
The laser that described laser beam emitting device 10 is launched is irradiated to when the road wheel of described wheelchair turns to predeterminated position on described photo resistance RL.
Circuit theory is:
When the road wheel of described wheelchair does not turn to predeterminated position, the laser signal that described laser beam emitting device 10 is launched can not be irradiated on described photo resistance RL, now described photo resistance RL is in high-impedance state, described switching tube Q1 is in off-state, described power supply VCC, loop cannot be formed between buzzer LS1 and ground, described buzzer LS1 does not work, after described road wheel turns to predeterminated position, the laser signal that described laser beam emitting device 10 is launched is irradiated on described photo resistance RL, now described photo resistance RL is in low resistance state, described power supply VCC is connected to the control end of described switching tube Q1 by photo resistance RL and described resistance R1, now, described switching tube Q1 is in high level conducting state, make described power supply VCC, path is formed between buzzer LS1 and ground, described buzzer LS1 works, output sound signal.
Visible by technical scheme disclosed in the above embodiments of the present application, the frequency of described buzzer output sound signal changes according to the velocity of rotation change of described road wheel, the number of turns of rotating along with road wheel is accelerated, and the frequency of described buzzer output sound signal is accelerated, and vice versa.Visible, in technical scheme disclosed in the present application, without the need to the frequency that user manually adjusts voice signal, be user-friendly to.
When installing acoustical generator disclosed in above-described embodiment, as long as can ensure that described laser beam emitting device 10 can when described road wheel be in ad-hoc location, laser signal is radiated on described photo resistance RL, its concrete set-up mode can according to user's request sets itself, such as: both described laser beam emitting device 10 and warning circuit 11 one can be selected to be arranged on described road wheel, another, be arranged in the just right wheelchair frame of described road wheel.
Certainly, be understandable that, because the frame mode of different wheelchair is different, some wheelchair has special frame mode, cause when road wheel reaches assigned address, be difficult to the laser of laser beam emitting device 10 be shone directly on described photo resistance RL, therefore, a shadow shield can also be provided with in the application's such scheme, described shadow shield is arranged on the Laser emission path of laser beam emitting device, for when described road wheel turns to predeterminated position, on the laser reflection that described laser beam emitting device 10 is sent to described photo resistance RL.
Be understandable that, conveniently realize above-mentioned functions, the described shadow shield in above-described embodiment can be arranged on described road wheel.And because the diameter of described road wheel is different, the quantity of required shadow shield is also just different, and concrete, the quantity of described shadow shield also can according to user's request sets itself.Such as: the diameter of described road wheel is less, its distance of rolling a circle is equivalent to Healthy People when stepping the distance that a step walks out, and the quantity of described shadow shield can be 1.When the diameter of described road wheel is larger, its distance of rolling a circle is equivalent to Healthy People and steps N when walking the distance of walking out, the quantity of described shadow shield can be N, and described N number of shadow shield can adopt symmetrical mode to be arranged on the same side of described road wheel, described N be not less than 2 positive integer.
Certainly, be understandable that, when after wheelchair device described in Long-Time Service, described shadow shield may because of the problem of jolting, cause its reflecting angle to change, the laser reflected cannot be dropped on described photo resistance RL, cause failure of apparatus, therefore, described shadow shield can also be arranged one for regulating the angle adjustment mechanism of the reflecting angle of described shadow shield angle.
Be understandable that, conveniently user is not when needing to use described acoustical generator, this device can be closed and this device can be opened when needs use this device, the control switch of opening for controlling described warning circuit 11 and/or described laser beam emitting device 10 or closing can also be provided with in such scheme, conveniently user operation, this control switch can be arranged on upper surface or the side surface of described wheelchair armrest.
Be understandable that, when user walks under dark situations, in order to ensure the fail safe of user, described wheelchair can be provided with lighting device, described lighting device can be arranged separately, namely it can arrange separately a control switch, but, conveniently user operation and use, switch key on described wheelchair is certainly fewer, more simple better, therefore, disclosed herein as well is a kind of technical scheme be integrated in by described lighting device on described acoustical generator, be specially: be connected with the common port of described first resistance R1 with described photo resistance RL described in the control end of the control switch of described lighting device, therefore, while user can sound at the described acoustical generator of control, also illumination can be realized.
Be understandable that, when user needs to use described lighting apparatus to carry out throwing light on to facilitate walk night, need described lighting device within a period of time, keep long bright, therefore, in the above embodiments of the present application, also comprise: be arranged on the timer between the control switch of described lighting device and the common port of described photo resistance RL and the first resistance R1; The input of described timer is connected with the common port of the first resistance R1 with described photo resistance RL, output is connected with the control end of the control switch of described lighting device, after getting input current, maintenance closedown in preset time period is opened in the control controlling described lighting device.Certainly, be understandable that, described preset time period can according to the demand sets itself of user, such as, can be 20 seconds.
Be understandable that, corresponding to acoustical generator disclosed in above-described embodiment, disclosed herein as well is a kind of wheelchair applying above-mentioned acoustical generator.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. an acoustical generator, is characterized in that, is arranged on wheelchair, comprises:
Laser beam emitting device and warning circuit;
Described warning circuit comprises:
The photo resistance that first end is connected with input power;
The first resistance that one end is connected with described photo resistance second end;
The switching tube that control end is connected with the described first resistance other end, the second end ground connection of described switching tube;
The buzzer that negative pole is connected with the first end of described switching tube, positive pole is connected with input power;
The laser that described laser beam emitting device is launched is irradiated in described photo resistance when the road wheel of described wheelchair turns to predeterminated position.
2. acoustical generator according to claim 1, is characterized in that, also comprises:
Be arranged on the Laser emission path of laser beam emitting device, for when described road wheel turns to predeterminated position, the shadow shield on the laser reflection that described laser beam emitting device is sent to described photo resistance.
3. acoustical generator according to claim 2, is characterized in that, comprising:
The quantity of described shadow shield is N number of, and described N number of shadow shield is symmetrically distributed on the same side of described road wheel, described N be not less than 2 positive integer.
4. acoustical generator according to claim 3, is characterized in that, comprising:
Be arranged on the angle adjusting mechanism for regulating described shadow shield reflecting angle on described shadow shield.
5. acoustical generator according to claim 1, is characterized in that, also comprises:
For controlling the control switch that described laser beam emitting device is opened or closed.
6. acoustical generator according to claim 5, is characterized in that, comprising:
Described control switch is arranged on the upper surface of described wheelchair armrest.
7. acoustical generator according to claim 1, is characterized in that, also comprises:
Lighting device;
The control end of the control switch of described lighting device is connected with the common port of described photo resistance with the first resistance.
8. acoustical generator according to claim 7, is characterized in that, also comprises:
Be arranged on the timer between the control switch of described lighting device and the common port of described photo resistance and the first resistance;
The input of described timer is connected with the common port of the first resistance with described photo resistance, output is connected with the control end of the control switch of described lighting device, after getting input current, maintenance closedown in preset time period is opened in the control controlling described lighting device.
9. a wheelchair, is characterized in that, comprising: acoustical generator disclosed in claim 1-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520166204.2U CN204408614U (en) | 2015-03-24 | 2015-03-24 | A kind of acoustical generator and wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520166204.2U CN204408614U (en) | 2015-03-24 | 2015-03-24 | A kind of acoustical generator and wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204408614U true CN204408614U (en) | 2015-06-17 |
Family
ID=53432442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520166204.2U Expired - Fee Related CN204408614U (en) | 2015-03-24 | 2015-03-24 | A kind of acoustical generator and wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204408614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163051A (en) * | 2018-09-20 | 2019-01-08 | 佛山科学技术学院 | A kind of damper for wheelchair |
-
2015
- 2015-03-24 CN CN201520166204.2U patent/CN204408614U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163051A (en) * | 2018-09-20 | 2019-01-08 | 佛山科学技术学院 | A kind of damper for wheelchair |
| CN109163051B (en) * | 2018-09-20 | 2024-02-13 | 佛山科学技术学院 | Shock absorber for wheelchair |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9131753B2 (en) | Walking stick handle structure | |
| CN102743252B (en) | Intelligent head-wearing eyesight protection instrument | |
| WO2012153325A3 (en) | Retinal prosthesis techniques | |
| US10788186B2 (en) | Illumination with blue UV light source and visible light source | |
| US9657929B2 (en) | Lamp with protection against shining in an undesired direction | |
| CN204408614U (en) | A kind of acoustical generator and wheelchair | |
| JP2012055582A (en) | Support system for visually handicapped person and stick used for the system | |
| CN103822151B (en) | A kind of vehicle intelligent lighting fixture | |
| CN204345384U (en) | Intelligent sleep lamp | |
| CN202736245U (en) | Distance-sensing desk lamp | |
| CN104434474A (en) | Ultrasonic ranging wristband | |
| CN105782807A (en) | Intelligent simulating sun lamp and sunlight simulating system | |
| CN206514235U (en) | The healthy electric candle of touch emulation | |
| CN210104485U (en) | Solar runway | |
| CN205155682U (en) | Myopia prevention eye -protecting lamp | |
| CN103892960A (en) | Eye patch with light wake up function | |
| CN205163570U (en) | Blind system is led to artifical internet | |
| CN103736133A (en) | Treading guide device | |
| CN204483311U (en) | Crutch | |
| CN202982567U (en) | Pathfinding stick for blind persons | |
| CN106773129A (en) | A kind of glasses for changing biological clock | |
| CN204363148U (en) | A kind of multi-function walking stick | |
| CN103759821A (en) | Ultraviolet detector | |
| CN206775797U (en) | A kind of stage light control system based on time shaft | |
| CN211904159U (en) | Vision-guided active navigation positioning system |
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: 20150617 Termination date: 20160324 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |