CN204336889U - Portable body balance detection instrument - Google Patents
Portable body balance detection instrument Download PDFInfo
- Publication number
- CN204336889U CN204336889U CN201420719527.5U CN201420719527U CN204336889U CN 204336889 U CN204336889 U CN 204336889U CN 201420719527 U CN201420719527 U CN 201420719527U CN 204336889 U CN204336889 U CN 204336889U
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- master controller
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- digital conversion
- conversion circuit
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Abstract
The utility model discloses a kind of portable body balance detection instrument, to comprise by three pressure transducer layings triangular in shape and for the test platform of human body center of gravity, amplifying circuit, analog to digital conversion circuit, be projection coordinate in plane for receiving digital signal that analog-digital conversion circuit as described exports and processing and then obtain gravity center of human body according to principle of moment balance to described digital signal in real time and drawing out the master controller of gravity motion track, three pressure transducers on test platform all connect with input amplifier, amplification circuit output end connects with analog to digital conversion circuit input, analog to digital conversion circuit outfan connects with master controller input, master controller is connected to human-computer interaction module, human-computer interaction module is connected to member management module and communication module, master controller is also connected to memory module.The structure of this portable body balance detection instrument is simple, and intuitively easy to operate, power consumption is lower, is convenient to promote the use of.
Description
Technical field
This utility model relates to a kind of balance detection instrument, is specifically related to a kind of portable body balance detection instrument.
Background technology
Equilibrium function is a critical function of human body, can be divided into static equilibrium and dynamic equilibrium.The equilibrium function test of human body is to study for many years, but this field still also also exists many problems waiting to solve further.Complete the experiment of human body dynamic and static weighing, obtain related parts of human body motion deformation amount and variation tendency, scientific basis is provided for the location of disease, qualitative and Differential Diagnosis etc.The factors such as aging, apoplexy, deformity of limbs all can cause the obstacle of human motion equilibrium function, and the test and evaluation of equilibrium function is in the diagnosis of such relevant disease and play vital effect in passing judgment on.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, provides a kind of portable body balance detection instrument.The structure of this portable body balance detection instrument is simple, and intuitively easy to operate, power consumption is lower, is convenient to promote the use of.
For achieving the above object, the technical solution adopted in the utility model is: portable body balance detection instrument, it is characterized in that: to comprise by three pressure transducer layings triangular in shape and for the test platform of human body center of gravity, signal for exporting described test platform carries out the amplifying circuit of processing and amplifying, for receiving analogue signal that described amplifying circuit exports and described analogue signal being converted to the analog to digital conversion circuit of digital signal, be projection coordinate in plane for receiving digital signal that analog-digital conversion circuit as described exports and processing and then obtain gravity center of human body according to principle of moment balance to described digital signal in real time and drawing out the master controller of gravity motion track, three pressure transducers on described test platform all connect with the input of described amplifying circuit, the outfan of described amplifying circuit connects with the input of analog to digital conversion circuit, the outfan of analog-digital conversion circuit as described connects with the input of master controller, described master controller is connected to the human-computer interaction module for showing described projection coordinate and gravity motion track, described human-computer interaction module is connected to for identifying the member management module of human-computer interaction module operator and the communication module for connecting with printing device, described master controller is also connected to the memory module for described projection coordinate and gravity motion track being carried out storing.
Above-mentioned portable body balance detection instrument, is characterized in that: described master controller adopts the LM3S9D90 chip of Cortex-M3.
Above-mentioned portable body balance detection instrument, is characterized in that: described amplifying circuit adopts OPA2365 amplifier.
Above-mentioned portable body balance detection instrument, is characterized in that: also comprise the supply module of powering for described test platform, amplifying circuit, analog to digital conversion circuit, master controller, human-computer interaction module, member management module and communication module.
This utility model compared with prior art has the following advantages:
The amplifying circuit of the high-precision pressure transducer of creative use that this utility model is maximum and low error, DATA REASONING is accurate.Static posturography can be drawn according to the gravity motion situation of tester.Use the balance Quantitative Evaluation Algorithm of original creation, can evaluate accurately the balance quality of tester.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model.
Description of reference numerals:
1-test platform; 1-1-pressure transducer; 2-amplifying circuit;
3-analog to digital conversion circuit; 4-master controller; 5-human-computer interaction module;
6-member management module; 7-communication module; 8-memory module.
Detailed description of the invention
A kind of portable body balance detection instrument as shown in Figure 1, to comprise by three pressure transducer 1-1 layings triangular in shape and for the test platform 1 of human body center of gravity, signal for exporting described test platform 1 carries out the amplifying circuit 2 of processing and amplifying, for receiving analogue signal that described amplifying circuit 2 exports and described analogue signal being converted to the analog to digital conversion circuit 3 of digital signal, be projection coordinate in plane for receiving digital signal that analog-digital conversion circuit as described 3 exports and processing and then obtain gravity center of human body according to principle of moment balance to described digital signal in real time and drawing out the master controller 4 of gravity motion track, three pressure transducer 1-1 on described test platform 1 all connect with the input of described amplifying circuit 2, the outfan of described amplifying circuit 2 connects with the input of analog to digital conversion circuit 3, the outfan of analog-digital conversion circuit as described 3 connects with the input of master controller 4, described master controller 4 is connected to the human-computer interaction module 5 for showing described projection coordinate and gravity motion track, described human-computer interaction module 5 is connected to the member management module 6 for identifying human-computer interaction module operator and the communication module 7 for connecting with printing device, described master controller 4 is also connected to the memory module 8 for described projection coordinate and gravity motion track being carried out storing.
In the present embodiment, described master controller 4 adopts the LM3S9D90 chip of Cortex-M3.Described amplifying circuit 2 adopts OPA2365 amplifier.
In the present embodiment, this portable body balance detection instrument also comprises the supply module for the power supply of described test platform 1, amplifying circuit 2, analog to digital conversion circuit 3, master controller 4, human-computer interaction module 5, member management module 6 and communication module 7.
In the present embodiment, this portable body balance detection instrument by installing three pressure transducer 1-1 below three angles of test platform 1, when tester stands on test platform 1, three pressure transducer 1-1 can export relevant voltage signal, master controller 4 is flowed to after amplifying circuit 2 and analog to digital conversion circuit 3, described master controller 4, according to principle of moment balance, carries out in real time process to data and obtains gravity center of human body and be projection coordinate in plane, thus draw out gravity motion track.Due to the reason such as life-time service or ageing equipment, the characteristic of sensor may change, and at this moment just needs to calibrate sensor.Native system uses 2 methods of testing, based on principle be the output of pressure transducer 1-1 be linear in limited range.10KG and 80KG two counterweights are used to be placed on pressure transducer 1-1 respectively, service property (quality) is as abscissa, and the AD value after conversion, as vertical coordinate, can calculate the linear function of this sensor, test like this three times, records slope and the phase value of three pressure transducer 1-1 linear function respectively.The data that namely calculating section of test module uses this to record calculate.
Work process of the present utility model is: after starting test, the every 50ms of system calculates the barycentric coodinates of a tester, and shows on human-computer interaction module 5, and every 1s shows a body weight information, and upgrades remaining time.Weight data leaves in the array of 16 elements, uses the mode of sliding window to carry out slip mean filter to it, to make the body weight change of display steady.Above system set-up information is all stored in miniSD card with the form of configuration file, can read these configuration informations time each system boot is initialized.
The above; it is only preferred embodiment of the present utility model; not this utility model is imposed any restrictions; every above embodiment is done according to this utility model technical spirit any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solutions of the utility model.
Claims (4)
1. portable body balance detection instrument, it is characterized in that: to comprise by the laying triangular in shape of three pressure transducers (1-1) and for the test platform (1) of human body center of gravity, signal for exporting described test platform (1) carries out the amplifying circuit (2) of processing and amplifying, for receiving analogue signal that described amplifying circuit (2) exports and described analogue signal being converted to the analog to digital conversion circuit (3) of digital signal, be projection coordinate in plane for receiving digital signal that analog-digital conversion circuit as described (3) exports and processing and then obtain gravity center of human body according to principle of moment balance to described digital signal in real time and drawing out the master controller (4) of gravity motion track, three pressure transducers (1-1) on described test platform (1) all connect with the input of described amplifying circuit (2), the outfan of described amplifying circuit (2) connects with the input of analog to digital conversion circuit (3), the outfan of analog-digital conversion circuit as described (3) connects with the input of master controller (4), described master controller (4) is connected to the human-computer interaction module (5) for showing described projection coordinate and gravity motion track, described human-computer interaction module (5) is connected to the member management module (6) for identifying human-computer interaction module operator and the communication module (7) for connecting with printing device, described master controller (4) is also connected to the memory module (8) for described projection coordinate and gravity motion track being carried out storing.
2. portable body balance detection instrument according to claim 1, is characterized in that: described master controller (4) adopts the LM3S9D90 chip of Cortex-M3.
3. portable body balance detection instrument according to claim 1, is characterized in that: described amplifying circuit (2) adopts OPA2365 amplifier.
4. portable body balance detection instrument according to claim 1, is characterized in that: also comprise the supply module of powering for described test platform (1), amplifying circuit (2), analog to digital conversion circuit (3), master controller (4), human-computer interaction module (5), member management module (6) and communication module (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420719527.5U CN204336889U (en) | 2014-11-25 | 2014-11-25 | Portable body balance detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420719527.5U CN204336889U (en) | 2014-11-25 | 2014-11-25 | Portable body balance detection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204336889U true CN204336889U (en) | 2015-05-20 |
Family
ID=53220201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420719527.5U Expired - Fee Related CN204336889U (en) | 2014-11-25 | 2014-11-25 | Portable body balance detection instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN204336889U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107397552A (en) * | 2016-05-20 | 2017-11-28 | 武汉软工硕成技术有限公司 | The human body weight and balance measurement apparatus and its measuring method of facing moving terminal application |
-
2014
- 2014-11-25 CN CN201420719527.5U patent/CN204336889U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107397552A (en) * | 2016-05-20 | 2017-11-28 | 武汉软工硕成技术有限公司 | The human body weight and balance measurement apparatus and its measuring method of facing moving terminal application |
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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: 20150520 Termination date: 20151125 |