CN204671423U - A kind of electric wheelchair intelligent monitor system - Google Patents
A kind of electric wheelchair intelligent monitor system Download PDFInfo
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- CN204671423U CN204671423U CN201520322103.XU CN201520322103U CN204671423U CN 204671423 U CN204671423 U CN 204671423U CN 201520322103 U CN201520322103 U CN 201520322103U CN 204671423 U CN204671423 U CN 204671423U
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Abstract
The utility model discloses a kind of electric wheelchair intelligent monitor system, comprise telecommunication terminal and be arranged on the FPGA controller on electric wheelchair, photographic head, Video Decoder, display, inversion module, direct current generator and wireless communication module, FPGA controller comprises video pre-filtering module, video compressing module, closed loop control module, commutation control module and PWM generation module, photographic head is connected through the input of Video Decoder with video pre-filtering module, the outfan of video pre-filtering module connects the input of display and video compressing module respectively, the outfan of video compressing module connects wireless communication module, the input of closed loop control module connects wireless communication module and direct current generator respectively, telecommunication terminal and wireless communication module set up wireless connections.This utility model can allow user observe ambient condition information by photographic head, also can realize the remote monitoring of wheelchair, improves the safety of wheelchair.
Description
Technical field
This utility model belongs to technical field of intelligent equipment, particularly a kind of electric wheelchair intelligent monitor system.
Background technology
Along with expanding economy and scientific and technological progress, the living guarantee of the elderly and the disabled and quality of life continue the concern being subject to various circles of society, and the quality of life of improving the elderly and the disabled has become a problem demanding prompt solution.The main walking-replacing tool that wheelchair is gone out as people with disability and old people is widely used.Therefore utility model a kind of easy to operate, use safety, multiple functional electric wheelchair are very necessary.Traditional electric wheelchair is generally made up of car chair frame, motor, wheel, stick and accumulator, and user only needs to control stick and can realize the advance of wheelchair, retrogressing and left and right and turn.Electric wheelchair brings very large convenience really to the trip of the elderly and the disabled, and what make them walk is farther sooner, but it still also exists some problems.Such as, traditional electric wheelchair cannot provide the environmental information of surrounding to user, user generally can only observe the environment of dead ahead, needs to retreat and can cause very large inconvenience to user and there is certain potential safety hazard when turning round at wheelchair.The father and mother of simultaneous China first generation only child start to enter the geratic period successively, children can not at every moment accompany at one's side, this needs us to develop a kind ofly can realize telemonitoring and can the novel intelligent wheelchair of Long-distance Control, in order to knowing environment residing for user and self-condition in time, when urgent, control intelligent wheel chair by mobile phone remote, make intelligent wheel chair move to safety area.
Utility model content
In order to solve the technical problem that above-mentioned background technology proposes, this utility model aims to provide a kind of electric wheelchair intelligent monitor system, user can be allowed to observe ambient condition information by photographic head, also can realize the remote monitoring of wheelchair, improves the safety of wheelchair.
In order to realize above-mentioned technical purpose, the technical solution of the utility model is:
A kind of electric wheelchair intelligent monitor system, comprise telecommunication terminal and be arranged on the FPGA controller on electric wheelchair, photographic head, Video Decoder, display, inversion module, direct current generator and wireless communication module, described FPGA controller comprises video pre-filtering module, video compressing module, closed loop control module, commutation control module and PWM generation module, described photographic head is connected through the input of Video Decoder with video pre-filtering module, the outfan of video pre-filtering module connects the input of display and video compressing module respectively, the outfan of video compressing module connects wireless communication module, the input of described closed loop control module connects wireless communication module and direct current generator respectively, the outfan of closed loop control module connects commutation control module successively, PWM generation module, inversion module and direct current generator, described telecommunication terminal and wireless communication module set up wireless connections.
Wherein, the model of above-mentioned FPGA controller is EP4CE6F17C8.
Wherein, above-mentioned closed loop control module adopts three closed-loop structure, comprise position ring controller, speed changer controller and current loop controller, the input of described position ring controller connects wireless communication module and direct current generator respectively, the outfan of the input difference link position ring controller of speed changer controller and direct current generator, the outfan of the input difference connection speed controller of current loop controller and direct current generator, the outfan of current loop controller connects commutation control module.
Wherein, above-mentioned wireless communication module is TD_SCDMA communication module.
Wherein, above-mentioned telecommunication terminal is mobile phone.
Wherein, aforementioned display device is TFT display.
Adopt the beneficial effect that technique scheme is brought:
(1) this utility model has installed photographic head on wheelchair, and for gathering the environmental information of wheelchair surrounding, and by the display display of these environmental informations by wheelchair is arranged, convenient operation wheelchair carries out turning round and retreating; Environmental information is uploaded on tutorial mobile phone by wireless communication module simultaneously, the remote monitoring of wheelchair can be realized in an emergency situation, avoid dangerous generation;
(2) this utility model uses fpga chip as processor, relative to common chip, this chip has the feature of high-performance low-power-consumption high performance-price ratio, FPGA has obvious advantage in the process of video, common chip is difficult to carry out simultaneously operating to the acquisition and processing of image, FPGA, based on the advantage of its parallel action method, makes system have better real-time.
Accompanying drawing explanation
Fig. 1 is system architecture diagram of the present utility model.
Detailed description of the invention
Below with reference to accompanying drawing, the technical solution of the utility model is described in detail.
System authority block diagram of the present utility model as shown in Figure 1, a kind of electric wheelchair intelligent monitor system, comprise telecommunication terminal and be arranged on the FPGA controller on electric wheelchair, photographic head, Video Decoder, display, inversion module, direct current generator and wireless communication module, described FPGA controller comprises video pre-filtering module, video compressing module, closed loop control module, commutation control module and PWM generation module, described photographic head is connected through the input of Video Decoder with video pre-filtering module, the outfan of video pre-filtering module connects the input of display and video compressing module respectively, the outfan of video compressing module connects wireless communication module, the input of described closed loop control module connects wireless communication module and direct current generator respectively, the outfan of closed loop control module connects commutation control module successively, PWM generation module, inversion module and direct current generator, described telecommunication terminal and wireless communication module set up wireless connections.
In the present embodiment, the model of FPGA controller is EP4CE6F17C8.Wireless communication module is TD_SCDMA communication module.Telecommunication terminal is mobile phone.Display is TFT display.Closed loop control module adopts three closed-loop structure, comprise position ring controller, speed changer controller and current loop controller, the input of described position ring controller connects wireless communication module and direct current generator respectively, the outfan of the input difference link position ring controller of speed changer controller and direct current generator, the outfan of the input difference connection speed controller of current loop controller and direct current generator, the outfan of current loop controller connects commutation control module.
Workflow of the present utility model:
User regulates the angle of photographic head by wheelchair stick, camera collection surrounding video, Video Decoder sends video pre-filtering module to after the data decoding of camera collection, video pre-filtering module sends display and video compressing module to after carrying out noise reduction filtering process to video data respectively, display display video data, user checks surrounding environment by the video in observation display, is convenient to it and turns round or retreat.Another side, video compressing module sends wireless communication module to after being compressed by video data, wireless communication module sends the data to tutorial hands machine, guardian can the situation of real-time remote monitoring wheelchair, when an emergency happens, guardian issues the reference by location instruction of direct current generator to wireless communication module by mobile phone, position ring controller gathers the actual position signal of this reference by location instruction and direct current generator feedback, and to speed changer controller output speed signal, speed control gathers the actual speed signal of this rate signal and direct current generator feedback, and to current loop controller output current signal, current loop controller gathers the actual current signal of this current signal and direct current generator feedback, PWM high level signal is exported through PID arithmetic, this PWM high level signal input commutation control module is obtained more accurate, more high performance control signal is also given PWM generation module and is produced the pwm signal of particular duty cycle, this pwm signal gives inversion module, inversion module controls direct current generator running according to pwm signal, direct current generator band is with wheel chair sport blade safe area.
Above embodiment is only and technological thought of the present utility model is described; protection domain of the present utility model can not be limited with this; every technological thought according to the utility model proposes, any change that technical scheme basis is done, all falls within this utility model protection domain.
Claims (6)
1. an electric wheelchair intelligent monitor system, it is characterized in that: comprise telecommunication terminal and be arranged on the FPGA controller on electric wheelchair, photographic head, Video Decoder, display, inversion module, direct current generator and wireless communication module, described FPGA controller comprises video pre-filtering module, video compressing module, closed loop control module, commutation control module and PWM generation module, described photographic head is connected through the input of Video Decoder with video pre-filtering module, the outfan of video pre-filtering module connects the input of display and video compressing module respectively, the outfan of video compressing module connects wireless communication module, the input of described closed loop control module connects wireless communication module and direct current generator respectively, the outfan of closed loop control module connects commutation control module successively, PWM generation module, inversion module and direct current generator, described telecommunication terminal and wireless communication module set up wireless connections.
2. a kind of electric wheelchair intelligent monitor system according to claim 1, is characterized in that: the model of described FPGA controller is EP4CE6F17C8.
3. a kind of electric wheelchair intelligent monitor system according to claim 1, it is characterized in that: described closed loop control module adopts three closed-loop structure, comprise position ring controller, speed changer controller and current loop controller, the input of described position ring controller connects wireless communication module and direct current generator respectively, the outfan of the input difference link position ring controller of speed changer controller and direct current generator, the outfan of the input difference connection speed controller of current loop controller and direct current generator, the outfan of current loop controller connects commutation control module.
4. a kind of electric wheelchair intelligent monitor system according to claim 1, is characterized in that: described wireless communication module is TD_SCDMA communication module.
5. a kind of electric wheelchair intelligent monitor system according to claim 1, is characterized in that: described telecommunication terminal is mobile phone.
6. a kind of electric wheelchair intelligent monitor system according to claim 1, is characterized in that: described display is TFT display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520322103.XU CN204671423U (en) | 2015-05-19 | 2015-05-19 | A kind of electric wheelchair intelligent monitor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520322103.XU CN204671423U (en) | 2015-05-19 | 2015-05-19 | A kind of electric wheelchair intelligent monitor system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204671423U true CN204671423U (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520322103.XU Expired - Fee Related CN204671423U (en) | 2015-05-19 | 2015-05-19 | A kind of electric wheelchair intelligent monitor system |
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| Country | Link |
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| CN (1) | CN204671423U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107432793A (en) * | 2017-07-13 | 2017-12-05 | 刘纪君 | Safety-type Two-wheeled wheelchair |
| CN107432794A (en) * | 2017-07-13 | 2017-12-05 | 刘纪君 | A kind of Intelligent Recognition and the method driven safely |
-
2015
- 2015-05-19 CN CN201520322103.XU patent/CN204671423U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107432793A (en) * | 2017-07-13 | 2017-12-05 | 刘纪君 | Safety-type Two-wheeled wheelchair |
| CN107432794A (en) * | 2017-07-13 | 2017-12-05 | 刘纪君 | A kind of Intelligent Recognition and the method driven safely |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20170519 |