CN207689861U

CN207689861U - A kind of high-low shoulder intelligent detection device

Info

Publication number: CN207689861U
Application number: CN201721604059.7U
Authority: CN
Inventors: 姚奕鹏; 刘建群; 于兆勤; 史登轩; 江键; 黄佳润; 朱伟东
Original assignee: Guangdong University of Technology
Current assignee: Guangdong University of Technology
Priority date: 2017-11-27
Filing date: 2017-11-27
Publication date: 2018-08-03
Anticipated expiration: 2027-11-27

Abstract

The utility model discloses a kind of high-low shoulder intelligent detection devices, including Braces hanged over tow shoulders school bag, and pressure detecting module, AD conversion module, buzzer and microcontroller on the Braces hanged over tow shoulders school bag are set, wherein, there are two the pressure detecting module is set, described two pressure detecting modules are located on two shoulder straps of the Braces hanged over tow shoulders school bag, and at the inner surface on described two shoulder strap tops, described two pressure detecting modules are connected by the AD conversion module with the microcontroller, and the buzzer is connected with the microcontroller；The utility model is designed reasonably, used pressure sensor is reliable, stablizes, low-power consumption, and since the function of the utility model can be realized using only two pressure sensors, therefore generally speaking device is easy to maintain, and cheap；Mass data is acquired to determine whether the case where there are high-low shoulders, error in judgement is small by microcontroller.

Description

A kind of high-low shoulder intelligent detection device

Technical field

The utility model is related to intelligent testing technology fields, and in particular to a kind of high-low shoulder intelligent detection device.

Background technology

School bag is one of thing most commonly seen in our daily lifes, either child, youth or adult, is gone out Many can be facilitated by taking a school bag always, however when user obtains convenient, it is also easy while endorsing packet Due to do not notice oneself the back of the body weight posture whether the body of oneself is influenced, and user oneself high-low shoulder when Time is but completely ignorant, finally results in the further deterioration of situation, the adult that body development is completed is even not bad, but for just For student in the stage of growing up, problem is to seem especially serious, after such a hiding problem is finally brought Fruit not only can bring greatest body and mind to damage to oneself, while also carrying out some psychology to the relatives' friend took of oneself and hitting.And Existing school bag can not effectively avoid the problem that user generates high-low shoulder because of the mistake for packet posture of endorsing.

Utility model content

The shortcomings that the purpose of the utility model is to overcome the prior arts and deficiency provide a kind of reliable, stable, at low cost Honest and clean, low-power consumption, the high-low shoulder intelligent detection device for being easy to maintenance.

The purpose of this utility model is achieved through the following technical solutions：

A kind of high-low shoulder intelligent detection device, including Braces hanged over tow shoulders school bag, and be arranged on the Braces hanged over tow shoulders school bag Pressure detecting module, AD conversion module, buzzer and microcontroller, wherein there are two the pressure detecting module is set, described two A pressure detecting module is located on two shoulder straps of the Braces hanged over tow shoulders school bag, and positioned at the interior of described two shoulder strap tops At surface, described two pressure detecting modules are connected by the AD conversion module with the microcontroller, the buzzer with The microcontroller is connected；

The pressure detecting module includes top panel, lower panel and pressure sensor, and the upper surface of the lower panel is equipped with Groove, the pressure sensor are located in the groove, and the lower surface of the top panel is equipped with protrusion, the protrusion and the pressure Force snesor is in contact；The pressure sensor is connected with the microcontroller.

Preferably, the pressure sensor is FSR pressure sensors.

The operation principle of the utility model：

First, two pressure detecting modules are separately mounted on two shoulder straps of Braces hanged over tow shoulders school bag, installation is fixed Position specifically at the inner surface on shoulder strap top, enables pressure detecting module to be contacted with the both shoulders of user；User's back book Bao Hou adjusts the posture of correct knapsack, after 5~6 seconds, opens high-low shoulder detection function and enters initial data acquisition rank Section, pressure sensor is also in more unstable shape due to user's back school bag at the beginning and after adjusting correct body position State, so incipient a part of AD data are non-serviceable, therefore microcontroller removes the part acquired before not first Stablize, the big AD data of error, then automatically begins to acquire a large amount of AD data and after the methods of be averaged processing To the stability range of the normal AD data in the case of at that time, as reference to the data acquired below；User's normal use school bag, High-low shoulder detection is then persistently carried out, due to there is a support of a large amount of AD data initially acquired, and delay strategy is provided with, uses Person will not make high-low shoulder detection generate wrong report in walking；When user generates high-low shoulder behavior, microcontroller can lead to It crosses collected AD data to be judged, if the judgment is Yes, then controls buzzer warning, user is reminded to keep correct appearance Gesture；When two pressure sensors are substantially not detectable pressure, or detect the pressure moment of one of pressure sensor Become larger, then can determine whether that user has put down school bag or put down school bag, high-low shoulder detection is automatically closed in microcontroller at this time Function completes high-low shoulder detection.

The utility model has advantageous effect below compared with prior art：

The utility model is designed reasonably, used pressure sensor is reliable, stablizes, low-power consumption, due to being used only two The function of the utility model can be realized in pressure sensor, therefore generally speaking device is easy to maintain, and cheap；Pass through list Piece machine acquires mass data to determine whether the case where there are high-low shoulders, error in judgement is small.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model pressure detecting module；

Fig. 2 is the usage state diagram of the utility model；

Reference numeral is in figure：1, top panel；2, pressure sensor；3, lower panel；4, pressure detecting module；5, both shoulders are carried on the back Band school bag.

Specific implementation mode

The present invention will be further described in detail with reference to the embodiments and the accompanying drawings, but the implementation of the utility model Mode is without being limited thereto.

As shown in Fig. 1~2, a kind of high-low shoulder intelligent detection device, including Braces hanged over tow shoulders school bag 5, and be arranged described Pressure detecting module 4, AD conversion module, buzzer and microcontroller on Braces hanged over tow shoulders school bag 5, wherein the pressure detecting mould There are two block 4 is set, described two pressure detecting modules 4 are located on two shoulder straps of the Braces hanged over tow shoulders school bag 5, and are located at At the inner surface on described two shoulder strap tops, described two pressure detecting modules 4 pass through the AD conversion module and the monolithic Machine is connected, and the buzzer is connected with the microcontroller；

The pressure detecting module 4 includes top panel 1, lower panel 3 and pressure sensor 2, the upper surface of the lower panel 3 Equipped with groove, the pressure sensor 2 is located in the groove, and the lower surface of the top panel 1 is equipped with protrusion, the protrusion with The pressure sensor 2 is in contact；Be arranged protrusion be in contact with pressure sensor 2 can effectively transmit it is big within the scope of one Partial pressure is to pressure sensor 2, since the high-low shoulder detection method that we use does not need to obtain specific accurate pressure Power, therefore error is decreased to a certain extent；The pressure sensor 2 is connected with the microcontroller.

The pressure sensor 2 is FSR pressure sensors, and FSR pressure sensors are thin-film pressure sensor, and FSR is It is a kind of on active surface pressure increase and resistance value reduce macromolecule membrane, FSR is not load cell or deformation Measuring instrument, although they have similar performance, and this kind of pressure-sensing resistance is not suitable for accurate measurement, and FSR is but A sensor in higher sensitivity, the thickness of FSR is 0.2mm -1.25mm, presser sensor range be from 100g to 10kg, Sound pressure sensitivity is from 0.1kg/cm²To 10kg/cm²；The internal resistance of FSR pressure sensors 2 can have with the difference of pressure Changed, pressure is smaller, and internal resistance value is bigger, and top panel 1 and lower panel 3 coordinate FSR pressure sensors co-operation can be real-time AD analog signals are obtained, and AD analog signals are converted into digital signal by AD conversion module and it is corresponding to be transferred to microcontroller progress Processing；AD conversion module is divided into successive approximation type a/d converter and comparison A/D converter in parallel, and wherein successive approximation type a/d turns Parallel operation is easy to be realized with integrated technique, and can reach higher resolution ratio and speed, therefore integrated A/D chip is using gradually at present Approach type person is more；Comparison A/D converter in parallel is that analog quantity is first converted into intermediate quantity, and then reconvert is at digital quantity, such as electricity Pressure/time conversion hysteria (integral form), voltage/frequency conversion hysteria, voltage/pulse width conversion type etc..

First, two pressure detecting modules are separately mounted on two shoulder straps of Braces hanged over tow shoulders school bag, installation is fixed Position specifically at the inner surface on shoulder strap top, enables pressure detecting module to be contacted with the both shoulders of user；User's back book Bao Hou adjusts the posture of correct knapsack, after 5~6 seconds, opens high-low shoulder detection function and enters initial data acquisition rank Section, pressure sensor is also in more unstable shape due to user's back school bag at the beginning and after adjusting correct body position State, so incipient a part of AD data are non-serviceable, therefore microcontroller removes the part acquired before not first Stablize, the big AD data of error, then automatically begins to acquire a large amount of AD data and after the methods of be averaged processing To the stability range of the normal AD data in the case of at that time, as reference to the data acquired below；User's normal use school bag, High-low shoulder detection is then persistently carried out, due to there is a support of a large amount of AD data initially acquired, and delay strategy is provided with, uses Person will not make high-low shoulder detection generate wrong report in walking；About delay strategy, the utility model is not only established big On the data of amount, it is also equipped with a delay mechanism, can all there is one section of adjustable blank time section between condition adjudgement each time, User accurately judges when walking about in this way；When user generates high-low shoulder behavior, microcontroller It can be judged by collected AD data, if the judgment is Yes, then control buzzer warning, user is reminded to keep just True posture；When two pressure sensors are substantially not detectable pressure, or detect the pressure of one of pressure sensor Moment becomes larger, then can determine whether that user has put down school bag or put down school bag, high-low shoulder is automatically closed in microcontroller at this time Detection function completes high-low shoulder detection.

Above-mentioned is the preferable embodiment of the utility model, but the embodiment of the utility model is not by the above Limitation, other any Spirit Essences without departing from the utility model under principle made by changes, modify, substitute, combine, simple Change, should be equivalent substitute mode, be included within the scope of protection of the utility model.

Claims

1. a kind of high-low shoulder intelligent detection device, which is characterized in that carried on the back in the both shoulders including Braces hanged over tow shoulders school bag, and setting With pressure detecting module, AD conversion module, buzzer and the microcontroller on school bag, wherein the pressure detecting module is equipped with two A, described two pressure detecting modules are located on two shoulder straps of the Braces hanged over tow shoulders school bag, and are located at described two back ofs the body At inner surface with top, described two pressure detecting modules are connected by the AD conversion module with the microcontroller, institute Buzzer is stated with the microcontroller to be connected；

The pressure detecting module includes top panel, lower panel and pressure sensor, and the upper surface of the lower panel is equipped with groove, The pressure sensor is located in the groove, and the lower surface of the top panel is equipped with protrusion, and the protrusion is passed with the pressure Sensor is in contact；The pressure sensor is connected with the microcontroller.

2. high-low shoulder intelligent detection device according to claim 1, which is characterized in that the pressure sensor is pressed for FSR Force snesor.